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Auto Focus Microadjustment - 5D III

I am about to experiemnt with AFMA on my 24-70mm L f/2.8. I read from the manual that I need to adjust the wide end as well as the telescopic end separately. Can anyone who has made similar adjustments please advise at what distance should this be ca...

Eaglewing by Contributor
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  • 25 replies
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Resolved! international lenses

what is the difference in buying a lens that states it's an international lens.  How is the quality is it comparable?  The price is lower, just wondering if any of you know?  thz, L.

fatcat by Rising Star
  • 15373 Views
  • 15 replies
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1.4 x teleconverter decision

I have 5D III with 500 f4.  I tried out for days in the field first without teleconter then with my Tamron 1.4x.  I did not notice any effect on autofocus. Effect on image quality is harder to assess. So my question is: 1). Anybody with experience be...

madencbm by Contributor
  • 5831 Views
  • 9 replies
  • 0 likes

Need help choosing lenses for 7D Mark II

Hello: I am purchasing a 7D Mark II and am looking for advice on some lens. I primarily take pictures of horses/wildlife/action sports. I want to have a good lens for portraits and a good one for wildlife/sports. I don't want to have 5 different lens...

ilzho by Rising Star
  • 15431 Views
  • 47 replies
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image stabilization 500mm f4 IS II

How do I tell if IS is working on my 500mm f4 IS II.  I cannot hear any sound from the lens when IS is turned on.  I have tried using live view while hand holding to see if image stabilizes shaking but nothing happens. Thanks in advance.

madencbm by Contributor
  • 5928 Views
  • 13 replies
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Resolved! Need advice on protective filter and lens hood

I am looking into purchasing a UV filter to protect my 18-135mm IS USM lens. Is the B+W 67mm UV Haze MRC 010M Filter a good filter to use if I would like to keep the filter on all of the time? Would a standard lens cap fit on top of this? Is the Cano...

shorty1 by Contributor
  • 7832 Views
  • 20 replies
  • 0 likes

Focal lengh to capture the moon

Hi,I need to photograph the moon in a way that occupies most of my 35mm FF frame without crop. Or bigger than the frame. I need a clear full moon with craters (no problem).The image will be in portrait mode.My test using a Canon EF 100mm macro L lens...

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Cunha by Rising Star
  • 11537 Views
  • 48 replies
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Resolved! 2.0x Extender vs. New Telephoto Lens Comparison

I currently own the EF 70-200 f/2.8L IS II USM lens and am considering purchasing the EF 100-400 f/4.5-5.6L IS USM lens for an upcoming African safari trip.  Curious to opinions on whether I would be better off buying the EF 2.0X III extender and usi...

celson by Contributor
  • 12875 Views
  • 28 replies
  • 0 likes

Resolved! Lens changing Live View's aperture in Manual mode

I just purchased a used 135L and have noticed on 2 different occasions that the aperature will start auto-adjusting in Live View as I increase or decrease exposure. The camera still says aperture is at 2.0 and it still renders the picture wide-open.....

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