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  1. #1

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    Nikkor P Micro 55 f/3.5

    I just got this lens and after reading some materials online I have more questions now than before. When using macro with digital, the camera compensates for light fall off by changing the aperture. What happens with this lens? I read somewhere that the P lenses have compensating aperture when focused to 1:1. Is that the case? I also read somewhere that this lens doesn't do 1:1, but it is clearly marked on the barrel 1:1. Any help here?

  2. #2

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    Be careful what you read. 'P' means it has five (penta) elements, that's all. There were several versions of that lens, look here - http://www.mir.com.my/rb/photography...0nikkor/micro/

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    If your camera (whether it is film or digital) has an automatic exposure mode, you can forget about the compensating aperture and just shoot it. The compensating aperture only comes into play when you have manual exposure modes and focus close, so you don't have to factor in the extension adjustment (like bellows factor in LF).

  4. #4

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    It does read P Auto on the barrel. According to mir. com is the newer type with diamond focus grip. I still don't know how it can compensate since there are no electronics to know what it going on.

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    Fixcinater's Avatar
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    It's adjusting based on focus distance, if it is indeed the compensating aperture version.

  6. #6

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    Well I use it on Nikon F, the original F, so the it's all manual. I dont mind compensating, I am used to that with Mamiya TLR, but how much.

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    Fixcinater's Avatar
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    That's just it, it does it for you...

  8. #8

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    So The P Auto is it? the compensating version? or the Auto is simply auto stop down aperture?

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    Quote Originally Posted by krisb1981 View Post
    It does read P Auto on the barrel. According to mir. com is the newer type with diamond focus grip. I still don't know how it can compensate since there are no electronics to know what it going on.
    Mechanical compensation, cams. "Auto" means auto diaphragm, it stops down when you take the picture and opens back to max. aperture for viewing and focussing, thay all said "auto", standards, wideangles, etc. Yours, if it is indeed the 'K' version, does not have a compensating diaphragm and does not focus to 1:1 without an extension tube. I have the identical lens, there are two ratio scales - one from infinity to 1/2 lifesize, and one from 1/2 lifesize to 1/1 lifesize for use with the tube.

  10. #10

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    Quote Originally Posted by E. von Hoegh View Post
    Mechanical compensation, cams. "Auto" means auto diaphragm, it stops down when you take the picture and opens back to max. aperture for viewing and focussing, thay all said "auto", standards, wideangles, etc. Yours, if it is indeed the 'K' version, does not have a compensating diaphragm and does not focus to 1:1 without an extension tube. I have the identical lens, there are two ratio scales - one from infinity to 1/2 lifesize, and one from 1/2 lifesize to 1/1 lifesize for use with the tube.
    No it doesn't say K, but the barrel has 1:1 marking that is reached when the lens is extended all the way. How much exposure should I add at the most extended point? two stops? 1 stop?

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