-
1 focal
• fob into• focal distance -
2 obturador de plano focal
• focal distance• focal pointDiccionario Técnico Español-Inglés > obturador de plano focal
-
3 distancia focal
f.focal length, focal distance.* * *focal length* * *(n.) = focal lengthEx. The lens is of universal focus, down to any distance accommodated by the unaided eye, simply because it is of short focal length.* * *(n.) = focal lengthEx: The lens is of universal focus, down to any distance accommodated by the unaided eye, simply because it is of short focal length.
* * *focal length odistance -
4 longitud focal
f.focal length, focal distance. -
5 distancia
f.1 distance (espacio).estábamos a bastante distancia del incendio we were quite a distance from the fire¿a qué distancia está el próximo pueblo? how far is the next town?está a varios kilómetros de distancia it is several kilometers awaya distancia from a distancemantener a distancia to keep at a distancemantenerse a una distancia prudencial de to keep at a safe distance fromdistancia de seguridad safe distanceWe traveled quite a long distance Recorrimos un buena distancia.2 gap, space.está a dos minutos de distancia del ciclista francés he's two minutes away from the French cyclist3 difference (diferencia).pres.indicat.3rd person singular (él/ella/ello) present indicative of spanish verb: distanciar.* * *1 distance2 figurado (diferencia) difference, gap\a distancia from a distanceacortar distancias to bridge the gapguardar las distancias to keep one's distancedistancia de seguridad AUTOMÓVIL safety distancedistancia focal focal length* * *noun f.* * *SF1) [en el espacio] distance¿qué distancia hay entre Sevilla y Granada? — what's the distance between Seville and Granada?
¿a qué distancia está Madrid de Barcelona? — how far (away) is Madrid from Barcelona?, how far is it from Madrid to Barcelona?
a tres metros de distancia del suelo — three metres from o off the ground
•
a distancia — from a distancela Universidad a distancia — ≈ the Open University
•
acortar las distancias — to shorten the distanceel Real Madrid ha acortado las distancias con el Barcelona — Real Madrid is closing in on Barcelona, Real Madrid is closing the gap with Barcelona
•
ganar distancias — to get ahead, make progress•
marcar distancias, el Atlético marcó distancias con el segundo clasificado — Atlético put some distance between itself and the second-placed teamquieren marcar distancias con la dirección del partido — they want to distance themselves from o set themselves apart from the party leadership
•
salvando las distancias, es, salvando las distancias, el Picasso de nuestros días — he's the Picasso of today, give or take some obvious differencesdistancia de despegue — (Aer) length of takeoff
distancia de seguridad — (Aut) safe distance
2) [entre opiniones, creencias] distance, gaphay una insalvable distancia entre los dos partidos — there's an unbridgeable distance o gap between the two parties
* * *1) ( en el espacio) distance¿qué distancia hay de Tijuana a Tucson? — how far is it from Tijuana to Tucson?
¿a qué distancia está Londres? — how far is it to London?
una llamada de or a larga distancia — a long-distance call
2) (en locs)a distancia: se situó a distancia para verlo en conjunto she stood back to see it as a whole; se veía a distancia one could see it from a distance; mantenerse a distancia to keep at a distance; en la distancia in the distance; guardar or mantener las distancias to keep one's distance; salvando las distancias: es como París, salvando las distancias — it's like Paris, up to a point (colloq)
3) ( en el tiempo)la distancia que nos separa de la Reconquista — the distance (in time) between the Reconquest and the present day
con la distancia el incidente le pareció una tontería — looking back the incident seemed insignificant
4) ( afectiva) distanceuna gran distancia los separa — a rift has opened up between them
* * *= remoteness, separation, distance.Ex. One of the major problems to be overcome in this unique form of supranational government is that of remoteness.Ex. This wide separation of related subject areas is one of the major criticisms of the Dewey scheme.Ex. This has proved a useful way of reducing some of the problems of distance and cost in relation to both travelling and telephone calls.----* a cierta distancia = some distance away.* a cierta distancia de = off.* a cierta distancia de la costa = offshore.* a cierta distancia del litoral = offshore.* acortar las distancias = close + the gap.* acortar las distancias entre... y = narrow + the gap between... and.* a distancia = remote, remotely, distantly.* a poca distancia = not far behind.* a poca distancia andando = within walking distance, within an easy walk.* a poca distancia a pie = within an easy walk, within walking distance.* aprendizaje a distancia = distance learning, open learning.* a un día de distancia de = one day away from.* controlado a distancia = remotely controllable.* corta distancia de desplazamiento = easy travelling distance.* curso a distancia = telecourse.* de larga distancia = long-distance.* desaparecer en la distancia = disappear in + the distance.* desplazarse grandes distancias = travel + long distances.* distancia a pie = walking distance.* distancia de desplazamiento = travel distance.* distancia de frenado = braking distance.* distancia de Hausdorff = Hausdorff distance.* distancia de seguridad = stopping distance, braking distance.* distancia focal = focal length.* distancia recorrida = mileage.* distancia + ser de + Número = be + Medida + apart.* distancia social = social distance.* Educación a Distancia = distance education, Open College.* enseñanza a distancia = distance learning, distance teaching.* Enseñanza Politécnica a Distancia = Open Polytechnic.* estar a años de distancia = be years away.* estar a + Cantidad + de distancia = Cantidad + distant from.* estar a + Expresión Numérica + de distancia = be + Número + away.* estudiante a distancia = distance student.* informática a distancia = telecomputing.* larga distancia = long haul.* largas distancias = large distances.* llamada de larga distancia = long-distance call.* llamada telefónica de larga distancia = long-distance (tele)phone call.* mando a distancia = remote control, remote controller.* mantener las distancias con = keep + Nombre + at arm's length.* mantenerse a distancia = stand off.* medicina a distancia = telemedicine.* Medida de Distancia + de distancia = Medida de Distancia + off.* otear en la distancia = loom + far in the distance.* recorrer grandes distancias = travel + long distances.* red de larga distancia = long haul network.* reducir las distancias = reduce + distance, close + the gap.* salvar las distancias = bridge + the chasm, bridge + the gap, bridge + the divide, bridge + the gulf.* situado a cierta distancia = further afield.* tener mucha distancia que recorrer = have + a long way to go.* trabajador a distancia = teleworker, telecommuter.* trabajar a distancia = telecommute.* trabajo a distancia = telecommuting, teleworking, telework.* universidad a distancia = open university, open college.* universidad nacional de educación a distancia (UNED) = open university.* vislumbrar en la distancia = loom + far in the distance.* * *1) ( en el espacio) distance¿qué distancia hay de Tijuana a Tucson? — how far is it from Tijuana to Tucson?
¿a qué distancia está Londres? — how far is it to London?
una llamada de or a larga distancia — a long-distance call
2) (en locs)a distancia: se situó a distancia para verlo en conjunto she stood back to see it as a whole; se veía a distancia one could see it from a distance; mantenerse a distancia to keep at a distance; en la distancia in the distance; guardar or mantener las distancias to keep one's distance; salvando las distancias: es como París, salvando las distancias — it's like Paris, up to a point (colloq)
3) ( en el tiempo)la distancia que nos separa de la Reconquista — the distance (in time) between the Reconquest and the present day
con la distancia el incidente le pareció una tontería — looking back the incident seemed insignificant
4) ( afectiva) distanceuna gran distancia los separa — a rift has opened up between them
* * *= remoteness, separation, distance.Ex: One of the major problems to be overcome in this unique form of supranational government is that of remoteness.
Ex: This wide separation of related subject areas is one of the major criticisms of the Dewey scheme.Ex: This has proved a useful way of reducing some of the problems of distance and cost in relation to both travelling and telephone calls.* a cierta distancia = some distance away.* a cierta distancia de = off.* a cierta distancia de la costa = offshore.* a cierta distancia del litoral = offshore.* acortar las distancias = close + the gap.* acortar las distancias entre... y = narrow + the gap between... and.* a distancia = remote, remotely, distantly.* a poca distancia = not far behind.* a poca distancia andando = within walking distance, within an easy walk.* a poca distancia a pie = within an easy walk, within walking distance.* aprendizaje a distancia = distance learning, open learning.* a un día de distancia de = one day away from.* controlado a distancia = remotely controllable.* corta distancia de desplazamiento = easy travelling distance.* curso a distancia = telecourse.* de larga distancia = long-distance.* desaparecer en la distancia = disappear in + the distance.* desplazarse grandes distancias = travel + long distances.* distancia a pie = walking distance.* distancia de desplazamiento = travel distance.* distancia de frenado = braking distance.* distancia de Hausdorff = Hausdorff distance.* distancia de seguridad = stopping distance, braking distance.* distancia focal = focal length.* distancia recorrida = mileage.* distancia + ser de + Número = be + Medida + apart.* distancia social = social distance.* Educación a Distancia = distance education, Open College.* enseñanza a distancia = distance learning, distance teaching.* Enseñanza Politécnica a Distancia = Open Polytechnic.* estar a años de distancia = be years away.* estar a + Cantidad + de distancia = Cantidad + distant from.* estar a + Expresión Numérica + de distancia = be + Número + away.* estudiante a distancia = distance student.* informática a distancia = telecomputing.* larga distancia = long haul.* largas distancias = large distances.* llamada de larga distancia = long-distance call.* llamada telefónica de larga distancia = long-distance (tele)phone call.* mando a distancia = remote control, remote controller.* mantener las distancias con = keep + Nombre + at arm's length.* mantenerse a distancia = stand off.* medicina a distancia = telemedicine.* Medida de Distancia + de distancia = Medida de Distancia + off.* otear en la distancia = loom + far in the distance.* recorrer grandes distancias = travel + long distances.* red de larga distancia = long haul network.* reducir las distancias = reduce + distance, close + the gap.* salvar las distancias = bridge + the chasm, bridge + the gap, bridge + the divide, bridge + the gulf.* situado a cierta distancia = further afield.* tener mucha distancia que recorrer = have + a long way to go.* trabajador a distancia = teleworker, telecommuter.* trabajar a distancia = telecommute.* trabajo a distancia = telecommuting, teleworking, telework.* universidad a distancia = open university, open college.* universidad nacional de educación a distancia (UNED) = open university.* vislumbrar en la distancia = loom + far in the distance.* * *A (en el espacio) distancela distancia que separa dos puntos the distance between two points¿qué distancia hay de Tijuana a Tucson? what's the distance between Tijuana and Tucson?, how far is it from Tijuana to Tucson?¿a qué distancia está Londres? how far is it to London?, how far is London?presenciaron la explosión a una distancia prudencial they witnessed the explosion from a safe distancese situó a una distancia de un metro she stood a meter awayuna llamada de or a larga distancia a long-distance callB ( en locs):a distancia: procesamiento de textos a distancia off-site o remote text processingse situó a distancia para verlo en conjunto she stood back o she stood some distance away to see it as a wholeen la distancia in the distanceguardar or mantener las distancias to keep one's distancesalvando las distancias: ¡es un Einstein! — salvando las distancias he's another Einstein! — well, I wouldn't go that far!es como París, salvando las distancias it's like Paris, although clearly you can only take the comparison so far ( colloq)tomar distancia ( Mil) to measure an arm's length from the next personhay que tomar distancia para ser objetivo in order to be objective you have to stand back from it o distance yourself from it o ( colloq) get a distance on itCompuesto:distancia de frenado/paradabraking/stopping distanceC(en el tiempo): la distancia que nos separa de la Reconquista the distance (in time) between the Reconquest and the present daya distancia el incidente le pareció una tontería looking back o in retrospect, the incident seemed insignificantD (afectiva) distanceeste incidente aumentó la distancia entre ellos this incident widened the distance o gap between themahora una gran distancia los separa now they're worlds o poles apart, a rift o gulf has opened up between them* * *
Del verbo distanciar: ( conjugate distanciar)
distancia es:
3ª persona singular (él/ella/usted) presente indicativo2ª persona singular (tú) imperativo
Multiple Entries:
distancia
distanciar
distancia sustantivo femeninoa) distance;
¿a qué distancia está Londres? how far is it to London?, se situó a una distancia de un metro she stood a meter away;
See Also→ llamadab) ( en locs)◊ a distancia: se situó a distancia para verlo en conjunto she stood back to see it as a whole;
se veía a distancia one could see it from a distance;
mantenerse a distancia to keep at a distance;
en la distancia in the distance;
See Also→ educación 1, See Also→ enseñanza b
distanciar ( conjugate distanciar) verbo transitivo
distancia a algn de algn to distance sb from sb
distanciarse verbo pronominala) ( en el espacio) distanciase de algo to get far from sth
( refl) distanciase de algn to distance oneself from sb
distancia sustantivo femenino distance: lo contemplábamos a distancia, we looked at it from a distance
nos sentamos a cierta distancia, we sat at a distance
su silueta apareció en la distancia, her figure appeared in the distance
distanciar verbo transitivo to separate
' distancia' also found in these entries:
Spanish:
A
- calcular
- cerca
- corta
- corto
- cuentakilómetros
- desde
- enfriar
- focal
- mando
- mantenerse
- notable
- pequeña
- pequeño
- recorrer
- salvar
- separar
- separación
- separarse
- tirada
- trayecto
- UNED
- a
- acortar
- ahuyentar
- breve
- caminar
- cuadra
- educación
- enseñanza
- hacer
- llamada
- medir
- noviazgo
- ómnibus
- paso
- radio
- trecho
- universidad
- vislumbrar
English:
apart
- control
- cover
- discreet
- distance
- do
- far
- fly
- for
- from
- gap
- haul
- hold off
- into
- journey
- keep away
- narrow
- off
- pace
- remote control
- ride
- stare
- step
- walk
- way
- within
- commuter
- detachment
- long-distance
- long
- mileage
- open
- recede
- remote
* * *distancia nf1. [espacio] distance;recorrer la distancia entre dos pueblos to cover the distance between two towns;¿a qué distancia está el próximo pueblo? how far is the next town?;¿cuál es la distancia o [m5] qué distancia hay entre Asunción y Montevideo? what is the distance between Asunción and Montevideo?;estábamos a bastante distancia del incendio we were quite a distance from the fire;los viandantes observaban el incidente a cierta distancia the passers-by watched the incident from a distance;a tanta distancia no puedo decirte quién es I can't say who it is from this distance;mantenerse a una distancia prudencial de to keep at a safe distance from;está a varios kilómetros de distancia it is several kilometres away;a distancia from a distance;estudiar a distancia to study by distance learning;mantener algo/a alguien a distancia to keep sth/sb at a distance;mantenerse a distancia (de) to keep one's distance (from);en la distancia in the distancedistancia focal focal distance, focal length;distancia de frenado braking distance;distancia de seguridad safe distance [from the vehicle in front];mantenga la distancia de seguridad [en letrero de tráfico] keep your distance2. [en el tiempo] gap, space;está a dos minutos de distancia del ciclista francés he's two minutes away from the French cyclist;hay varios años de distancia entre estas dos fotografías the two photographs were taken several years apart;con la distancia que da el tiempo, desde la distancia looking back, in retrospect;ahora, desde la distancia, creo que nos equivocamos now, in retrospect, I think we were wrong3. [diferencia] difference;hay o [m5] media una gran distancia entre ambas teorías there is a great difference between the two theories;salvando las distancias allowing for the obvious differences4. [entre personas] distance;la lucha por la herencia aumentó la distancia entre los hermanos the dispute over the inheritance drove the brothers further apart;acortar (las) distancias to come closer (to an agreement)* * *f tb figdistance;a distancia at a distance;acortar distancias tb fig bridge the gap, catch up;guardar (las) distancias fig keep one’s distance* * *distancia nf: distance* * *distancia n distance¿a qué distancia? how far¿a qué distancia está el mar? how far is the sea?¿qué distancia hay entre Cádiz y Córdoba? how far is it from Cádiz to Córdoba? -
6 foco
m.1 center, focal point (centro).un foco de infecciones a source of infectionun foco de rebelión/intrigas a hotbed of rebellion/intrigueun foco de miseria a severely deprived area2 spotlight (lámpara) (para un punto).3 focus (physics & geometry).4 light bulb. (Andean Spanish (Bolivia, Chilean Spanish, Colombia, Ecuador, Peru), Mexican Spanish)5 street light. ( Latin American Spanish)6 (car) headlight. ( Latin American Spanish)7 core.* * *1 (centro) centre (US center), focal point2 (en física) focus3 (lámpara) spotlight, floodlight\foco de atención focus of attention* * *noun m.1) focus2) spotlight3) center* * *SM1) (Mat, Med, Fís) focusestar fuera de foco — LAm to be out of focus
2) (=centro) focal point, centre, center (EEUU); (=fuente) source; [de incendio] seat3) (Elec) [en monumento, estadio] floodlight; [en teatro] spotlight; LAm (=bombilla) light bulb; (Aut) headlamp* * *1)a) (Fís, Fot, Mat) focusfuera de foco — (AmL) out of focus
b) (centro, núcleo) focusc) ( de incendio) seat2)a) (Cin, Teatr) ( reflector) spotlightb) (AmL) (Auto) lightc) (Ec, Méx, Per) ( de lámpara) light bulbse me/le prendió el foco — (Méx fam) I/she had a bright idea o (AmE) a brainstorm (colloq)
d) (AmC) ( linterna) flashlight (AmE), torch (BrE)* * *= focus, focus [foci, -pl.], display spotlight, spotlight, focal point, hotbed, searchlight, floodlight, flood lamp.Ex. The lens is of universal focus, down to any distance accommodated by the unaided eye, simply because it is of short focal length.Ex. Once organised into facets, the single concepts that have previously been referred to as isolates, become known as foci (singular focus).Ex. Plenty of light, with a display spotlight if possible, should illuminate the exhibition (a number of inexpensive, safe little spotlights intended for the job are now on the market).Ex. Plenty of light, with a display spotlight if possible, should illuminate the exhibition (a number of inexpensive, safe little spotlights intended for the job are now on the market).Ex. The library needs to be developed as the focal point of the community, a place where the public can drop in for all kinds of activities, not necessarily book-related or 'cultural'.Ex. One of the most common misconceptions and criticisms held by the general public concerning universities is that they are hotbeds of radicalism, alcoholism, and sexism.Ex. The author describes, assesses and illustrates 216 sites which range from airfields and blockhouses, to searchlights and pillboxes, dating from the 16th c. to 1945.Ex. Attendance is significantly higher when the game is played in the evening under floodlights.Ex. Intensity levels for flood lamps is relatively low because the energy is spread over a large area.----* en el foco de atención = in the spotlight.* foco de atracción de turistas = honeypot.* foco de interés = focus of interest, focus of concern, focus of attention.* foco de población = population centre.* foco de resistencia = pocket of resistance.* foco reflector = floodlight.* iluminar con focos = floodlight.* * *1)a) (Fís, Fot, Mat) focusfuera de foco — (AmL) out of focus
b) (centro, núcleo) focusc) ( de incendio) seat2)a) (Cin, Teatr) ( reflector) spotlightb) (AmL) (Auto) lightc) (Ec, Méx, Per) ( de lámpara) light bulbse me/le prendió el foco — (Méx fam) I/she had a bright idea o (AmE) a brainstorm (colloq)
d) (AmC) ( linterna) flashlight (AmE), torch (BrE)* * *= focus, focus [foci, -pl.], display spotlight, spotlight, focal point, hotbed, searchlight, floodlight, flood lamp.Ex: The lens is of universal focus, down to any distance accommodated by the unaided eye, simply because it is of short focal length.
Ex: Once organised into facets, the single concepts that have previously been referred to as isolates, become known as foci (singular focus).Ex: Plenty of light, with a display spotlight if possible, should illuminate the exhibition (a number of inexpensive, safe little spotlights intended for the job are now on the market).Ex: Plenty of light, with a display spotlight if possible, should illuminate the exhibition (a number of inexpensive, safe little spotlights intended for the job are now on the market).Ex: The library needs to be developed as the focal point of the community, a place where the public can drop in for all kinds of activities, not necessarily book-related or 'cultural'.Ex: One of the most common misconceptions and criticisms held by the general public concerning universities is that they are hotbeds of radicalism, alcoholism, and sexism.Ex: The author describes, assesses and illustrates 216 sites which range from airfields and blockhouses, to searchlights and pillboxes, dating from the 16th c. to 1945.Ex: Attendance is significantly higher when the game is played in the evening under floodlights.Ex: Intensity levels for flood lamps is relatively low because the energy is spread over a large area.* en el foco de atención = in the spotlight.* foco de atracción de turistas = honeypot.* foco de interés = focus of interest, focus of concern, focus of attention.* foco de población = population centre.* foco de resistencia = pocket of resistance.* foco reflector = floodlight.* iluminar con focos = floodlight.* * *Ala foto/la imagen está fuera de foco ( AmL); the photo/picture is out of focus2 (centro, núcleo) focusfoco de infección source of infectionel foco de atención the focus of attentionfue el foco de las miradas de todo el mundo everybody's eyes were focused on himB3 (Ec, Méx, Per) (bombilla) light bulbse me/le prendió el foco ( Méx fam); I/she had a bright idea o a brain wave o ( AmE) a brainstorm ( colloq)* * *
foco sustantivo masculino
1a) (Fís, Fot, Mat) focus
2
(en estadio, monumento) floodlightb) (AmL) (Auto) light
foco sustantivo masculino
1 (lámpara potente) spotlight, floodlight
2 (núcleo, centro) centre, US center, focal point
3 LAm (bombilla) (electric light) bulb
(de automóvil) (car) headlight
(de la calle) street light
' foco' also found in these entries:
Spanish:
brillo
- luz
- núcleo
- proyector
- reflector
- reflectora
- sombra
English:
floodlight
- focus
- source
- spotlight
- bulb
- focal
- shift
* * *foco nm1. [centro] centre, focal point;[de epidemia] source, breeding ground;un foco de miseria a severely deprived area;un foco de infecciones a source of infection;un foco cultural a cultural centre;el foco de atención the centre of attention2. [lámpara] [para un punto] spotlight;[para una zona] floodlight3. Geom focusfuera de foco [desenfocado] out of focus;tiene el foco estropeado the focus doesn't work5. Andes, Méx [bombilla] light bulb6. Am [farola] streetlamp, streetlight* * *m1 MAT, FÍS focus2 de infección center, Brcentre, focus; de incendio seat* * *foco nm1) : focus2) : center, pocket3) : lightbulb4) : spotlight5) : headlight* * *foco n2. (luz de teatro) spotlight3. (luz de estadio) floodlight -
7 ojo humano sin ayuda de lente, el
= unaided eye, theEx. The lens is of universal focus, down to any distance accommodated by the unaided eye, simply because it is of short focal length.Spanish-English dictionary > ojo humano sin ayuda de lente, el
-
8 ojo humano sin ayuda de lente
el ojo humano sin ayuda de lente= unaided eye, theEx: The lens is of universal focus, down to any distance accommodated by the unaided eye, simply because it is of short focal length.
См. также в других словарях:
focal distance — noun the distance from a lens to its focus • Syn: ↑focal length • Hypernyms: ↑distance * * * focal distance noun Focal length • • • Main Entry: ↑focus * * * … Useful english dictionary
focal distance — židinio nuotolis statusas T sritis Standartizacija ir metrologija apibrėžtis Atstumas tarp pagrindinės glaudžiamojo lęšio plokštumos ir jo židinio taško. atitikmenys: angl. focal distance; focal length vok. Brennweite, f; Fokalweite, f rus.… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
focal distance — židinio nuotolis statusas T sritis Standartizacija ir metrologija apibrėžtis Atstumas tarp plonojo lęšio centro ir židinio. atitikmenys: angl. focal distance; focal length vok. Brennweite, f; Fokalweite, f rus. фокусное расстояние, n pranc.… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
focal distance — židinio nuotolis statusas T sritis fizika atitikmenys: angl. focal distance vok. Brennweite, f rus. фокусное расстояние, n pranc. distance focale, f … Fizikos terminų žodynas
Focal distance of a telescope — Focal Fo cal, a. [Cf. F. focal. See {Focus}.] Belonging to,or concerning, a focus; as, a focal point. [1913 Webster] {Focal distance, or length, of a lens or mirror} (Opt.), the distance of the focus from the surface of the lens or mirror, or… … The Collaborative International Dictionary of English
Focal distance or length of a lens or mirror — Focal Fo cal, a. [Cf. F. focal. See {Focus}.] Belonging to,or concerning, a focus; as, a focal point. [1913 Webster] {Focal distance, or length, of a lens or mirror} (Opt.), the distance of the focus from the surface of the lens or mirror, or… … The Collaborative International Dictionary of English
focal distance — distance from the center of a lens to the point of focus … English contemporary dictionary
focal distance — (of the eye) the distance between the lens and the point behind the lens at which light from a distant object is focused. In a normally sighted person the point of focus is on the retina, but in myopia (short sightedness) the focus is in front of … Medical dictionary
focal distance — (of the eye) the distance between the lens and the point behind the lens at which light from a distant object is focused. In a normally sighted person the point of focus is on the retina, but in myopia (short sightedness) the focus is in front of … The new mediacal dictionary
Focal distance — Фокусное расстояние (объектива); Фокусное расстояние … Краткий толковый словарь по полиграфии
Flange focal distance — The flange focal distance (FFD) (also known as the flange to film distance, flange focal depth, flange back distance (FBD), or register, depending on the usage and source) of a lens mount for an interchangeable lens camera system is one of its… … Wikipedia