Camaras Digitales Online Las Ultimas novedades en Camaras digitales.

19Dic/1147

Terminos de Lentes y Objetivos

Distancia focal: es la distancia entre el plano de la imagen y el plano de la óptica. Por ejemplo, si manejamos un objetivo de distancia focal entre 18 y 55mm, eso significa que cubre distancias focales que van de la de 18mm (en un encuadre relativamente amplio) hasta la de 55mm que sería una especie de zoom que nos acercaría al sujeto fotografiado pero mostrando una parte más reducida de la escena a fotografiar.

Apertura máxima: cada vez que pulsamos el disparador de la cámara (para tomar la fotografía), el objetivo tiene un diafragma que normalmente está cerrado y que a la hora de disparar la foto se abre y se cierra (cómo una cortina). La apertura máxima la apertura máxima que tiene el diafragma. Cuanto mayor sea la apertura máxima, más luz el objetivo es capaz de captar. Se hace referencia a la apertura máxima con el valor f/ de modo que cuanto más reducido sea este valor (por ejemplo f/2.8) mayor será la apertura máxima.

AF/MF: Enfoque automático/enfoque manual.

 

Terminología de lentes y objetivos Nikon:

DC (Defocus Control): control del desenfoque mediante el ajuste de las aberraciones esféricas.

Aberraciones Esféricas: es un defecto de los espejos y las lentes en el que los rayos de luz que inciden paralelamente al eje óptico.
CRC (Close-Range Correction): ayuda a obtener mayor calidad en objetivos, por ej.  ojo de pez y gran angular.
DX Nikkor: objetivo optimizado para cámaras con sensor pequeño.
ED: cristal de dispersión extrabaja. Ofrece mayor nitidez y mejores colores mediante la corrección del azul y el rojo.
IF: enfoque interno, por lo que la longitud del objetivo no cambia.
Marco: optimizado para fotografía marco (muy de cerca, por ej.  flores, insectos, etc).
G: apertura controlada desde por el cuerpo de la cámara.
VR: tecnología propia de Nikon para reducir las vibraciones a la hora de disparar la foto.
PC-E: control de perspectiva para fotografía de arquitectura.
RF: enfoque posterior para una mayor suavidad de enfoque automático.
Silent Wave Motor: enfoque automático silencioso.

 

Terminología de lentes y objetivos Canon:

EF: enfoque electrónico. Este tipo de objetivos valen para todo el rango de cámaras réflex EOS de Canon.
EF-S: parecido al superior pero únicamente funciona con cámaras cuyo sensor sea APS-C (por ej.: 40D; 50D; 300D; 450D; 500D).
USM: motor de enfoque automático ultrasónico.
DO: óptica difractiva, una tecnología que permite producir objetivos con longitudes físicas más pequeñas.
TS-E: lentes utilizadas para corregir la perspectiva. Generalmente se utilizan en fotografía de arquitectura para alterar puntos de fuga y profundidades de campo.
L Lens (Lente L): objetivos profesionales de Canon con calidad óptica superior. Normalmente son de color blanco con un aro rojo rodeándolos.
MP-E: lente Macro electrónico. Son objetivos para fotografías macro con control electrónico de apertura.
IS: estabilización de imagen, es el dispositivo encargado de reducir las vibraciones en la captura de una imagen cuando en la toma se producen movimientos no deseados.

 

Terminología de lentes y objetivos Sigma:

EX: lentes profesionales de Sigma.
DG: lentes para cámaras de cuerpo completo (no SLR Digital).
DC: para cámaras con cuerpo APS-C.
ASP: lente asférica. es una lente cuya superficie de curvatura no forma parte de una esfera y cuyo fin es eliminar la aberración esférica.
APO: lente apocromática. Exclusiva de Sigma y cumple con la función de corregir aberraciones cromáticas.
OS: estabilización Óptica.
HSM: silenciador del enfoque automático.
RF: enfoque posterior.
IF: enfoque interno de modo que la longitud física de la lente se queda fija reduciendo  movimientos y vibraciones.
DF: enfoque dual. No gira durante el enfoque automático.

 

Terminología de lentes y objetivos Tamron:

ASL: lente Asphérica.
AD: reducción de aberración cromática.
Di: son lentes que funcionan únicamente con cámaras cuyo sensor es grande (del tamaño de la película de 35 mm).
Di II: para cámaras con sensores pequeños (como el APS-C por ejemplo).
IF: enfoque interno.
LD: reducción de aberraciones cromáticas.
Macro: para fotografía Macro.
SP: lente de rendimiento superior. Simplemente.
XR: lente con un cristal de refracción que ayuda a obtener mejores resultados ópticos.
VC: control de vibración.

¡Esto es todo por hoy amigos! Ahora lo mejor que podéis hacer es imprimiros esta página, para guardarla como referencia, o dejarla en vuestros favoritos  en el navegador. Si lo desean pasársela a algún amigo (Facebook, Twitter) para generalizar el saber.

 

Fabrica de Lentes Leica:

flash/swflash.cab#version=6,0,40,0">flash" src="http://www.youtube.com/v/U6bux2WBzx0&rel=0&fs=1" allowFullScreen="true" wmode="transparent" allowfullscreen="true" />

 

Como se fabrican los lentes / objetivos para fotografía:

flash/swflash.cab#version=6,0,40,0">flash" src="http://www.youtube.com/v/X7_wL0ZZi6k&rel=0&fs=1" allowFullScreen="true" wmode="transparent" allowfullscreen="true" />

¿Te gustó este artículo?

¡Suscríbete a nuestro feed RSS!

Comentarios (47) Trackbacks (0)
  1. I simply want to say I am new to weblog and seriously savored your web-site. More than likely I’m going to bookmark your blog post . You surely have fabulous stories. Thank you for sharing with us your website page.

  2. Undeniably believe that which you said. Your favorite reason seemed to be on the web
    the easiest thing to be aware of. I say to you, I certainly get annoyed while people consider worries that they plainly do not know about.
    You managed to hit the nail upon the top and also defined out the whole
    thing without having side-effects , people could take a signal.
    Will likely be back to get more. Thanks

  3. Thank you for sharing your info. I truly appreciate your efforts
    and I am waiting for your further write ups thanks once again.

  4. I visit every day some sites and blogs to read content, but this blog gives quality based content.

  5. First of all I would like to say awesome blog! I had a quick
    question that I’d like to ask if you don’t mind. I was curious to find out how you
    center yourself and clear your mind before writing. I’ve had a tough time clearing my thoughts in getting my thoughts out there.
    I truly do enjoy writing however it just seems like the first 10 to 15 minutes tend to be lost
    simply just trying to figure out how to begin. Any ideas or tips?
    Cheers!

  6. Everything is very open with a really clear clarification of the issues.
    It was really informative. Your website is useful.

    Many thanks for sharing!

  7. of course like your web-site however you need to take a
    look at the spelling on several of your posts. Several of them are rife with spelling problems and I in finding it
    very bothersome to tell the reality on the other hand I will certainly come back again.

  8. Everyone loves what you guys are usually up too. Such clever
    work and exposure! Keep up the great works guys I’ve
    added you guys to blogroll.

  9. Hi there mates, how is all, and what you wish for to say regarding this piece of
    writing, in my view its in fact remarkable designed for me.

  10. Wonderful article! We will be linking to this great article on our site. Keep up the good writing.|

  11. Oh my goodness! Awesome article dude! Many thanks, However I am encountering problems with your RSS. I don’t know the reason why I am unable to join it. Is there anybody having identical RSS problems? Anybody who knows the solution will you kindly respond? Thanx!!|

  12. Thanks for finally writing about >Terminos de Lentes y Objetivos <Loved it!

  13. WOW just what I was searching for. Came here by searching for caregiving break

  14. I’m truly enjoying the design and layout of your blog.
    It’s a very easy on the eyes which makes it much more enjoyable for me to come here and visit more often. Did you hire out a developer to create your theme?

    Excellent work!

  15. I simply want to mention I am just very new to blogging and site-building and absolutely enjoyed this web page. Likely I’m want to bookmark your blog post . You amazingly have amazing writings. Cheers for sharing your blog.

  16. Fantastic goods from you, man. I’ve be aware your stuff previous to and
    you are simply too magnificent. I really like what you’ve received here, really like
    what you’re stating and the way in which
    by which you are saying it. You are making it entertaining and you still take care of to keep it sensible.
    I can’t wait to read far more from you. This is really a
    great website.

  17. Your style is really unique in comparison to other people I’ve read stuff from.
    Thanks for posting when you’ve got the opportunity, Guess I will just
    bookmark this page.

  18. Excellent site you have here but I was wondering if you knew
    of any message boards that cover the same topics discussed in this article?

    I’d really love to be a part of group where I can get advice from other knowledgeable individuals that share the same interest.
    If you have any recommendations, please let me know.
    Cheers!

  19. Because the admin of this web site is working, no
    hesitation very rapidly it will be famous, due to its feature contents.

  20. Pleasant mattress with woollen and real components, as well as helped make in the USA. Suits our paired bedroom framework (no container spring season) wonderfully.

  21. I reside in my late FIFTY’s and also I could inform you that this mattress is actually the best comfy mattress I have actually ever slept on. I await crawling right into bedroom in the evening and I wake refreshed from a great evening sleeping.

  22. {If you are actually searching for a good change bed for your little one that will certainly last I would very most absolutely propose this set. |, if you are actually appearing for a great transition bedroom for your little one that will last I will very most absolutely propose this one.

  23. Excellent post. I definitely love this site.
    Keep it up!

  24. Everything is very open with a really clear description of
    the issues. It was really informative. Your site is very
    helpful. Thank you for sharing!

  25. You completed certain nice points there. I did a search on the subject matter and found mainly people will consent with your blog.

  26. Needed to post you one very little word to say thanks once again about the incredible methods you have discussed in this article. It was certainly incredibly open-handed of people like you to provide unreservedly exactly what a lot of folks could have offered for sale for an ebook to get some profit for themselves, most notably considering that you might have done it if you considered necessary. Those creative ideas additionally worked to become fantastic way to know that other people have the identical eagerness really like mine to realize a great deal more in regard to this matter. I know there are thousands of more pleasurable instances up front for people who browse through your blog post.

  27. My brother suggested I might like this website. He was entirely right. This post actually made my day. You can not imagine simply how much time I had spent for this info! Thanks!

  28. Thanks , I have just been searching for info approximately this topic for a while and yours is the best I have came upon so far. However, what about the conclusion? Are you positive in regards to the source?

  29. Very nice post. I just stumbled upon your weblog and wished to say that I’ve really enjoyed browsing your blog posts. After all I will be subscribing to your rss feed and I hope you write again soon!

  30. He formerly had a futon to use for sitting in the band area for a single person sleeping or team sitting when possessing pals over, however this works far much better.

  31. This is very interesting, You are a very skilled blogger. I’ve joined your feed and look forward to seeking more of your magnificent post. Also, I have shared your web site in my social networks!

  32. If some one wants expert view regarding blogging then i
    propose him/her to go to see this website, Keep up the pleasant work.

  33. Thanks for sharing your thoughts about ig. Regards

  34. Good post but I was wondering if you could write a litte more on this topic?
    I’d be very grateful if you could elaborate a little bit more.
    Appreciate it!

  35. I’m extremely impressed with your writing skills and also with the layout on your
    blog. Is this a paid theme or did you modify it yourself?

    Either way keep up the excellent quality writing, it is rare to see
    a nice blog like this one these days.

  36. I really like your blog.. very nice colors & theme.
    Did you design this website yourself or did you hire someone to
    do it for you? Plz reply as I’m looking to construct my own blog and would like to know where u
    got this from. cheers

  37. hi!,I really like your writing very much! share we be in contact extra approximately
    your post on AOL? I need an expert in this area
    to solve my problem. May be that’s you! Taking a look ahead to see you.

  38. Thanks for every other magnificent article. Where else may anyone get that kind of information in such a perfect manner of writing? I’ve a presentation subsequent week, and I am on the search for such information.

  39. Highly descriptive post, I liked that a lot.

    Will there be a part 2?

  40. I have read several just right stuff here. Definitely worth bookmarking for
    revisiting. I wonder how much effort you place to make any such magnificent informative website.

  41. Fantastic beat ! I would like to apprentice at the same time as you amend your site, how
    can i subscribe for a weblog website? The account helped me a appropriate
    deal. I had been a little bit acquainted of this your broadcast
    offered shiny transparent concept

  42. My brother suggested I would possibly like this blog.
    He was entirely right. This publish truly made my day.
    You cann’t consider just how a lot time I had spent for this
    information! Thanks!

  43. Hi! This is my 1st comment here so I just wanted to
    give a quick shout out and say I genuinely enjoy reading through your
    blog posts. Can you recommend any other blogs/websites/forums that cover the same subjects?
    Thank you!

  44. hello there and thank you for your information – I have certainly picked up
    something new from right here. I did however expertise some technical points
    using this site, since I experienced to reload the site many times previous
    to I could get it to load properly. I had been wondering if
    your web hosting is OK? Not that I am complaining, but sluggish loading instances times will often affect your placement in google and could
    damage your high-quality score if advertising and marketing with Adwords.
    Well I am adding this RSS to my email and can look out for a
    lot more of your respective intriguing content.

    Make sure you update this again soon.

  45. Excellent items from you, man. I have be aware your
    stuff previous to and you’re simply too great.
    I really like what you have bought right here, really like
    what you’re stating and the best way in which you assert it.
    You make it entertaining and you still take care of to stay it
    smart. I cant wait to learn much more from you.

    That is really a tremendous web site.


Leave a comment

Aún no hay trackbacks.