EF & RF Lenses
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IS off or on?

Another which is better.  Look at these. Now a 200% crop of each. Both shots are made with the Canon EF 300mm f/4L IS USM Lens.  One shot has the IS on and a UV filter.  The other has no filter and IS turned off.  Worse case to best case? No right or...

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ebiggs1 by Legend
  • 4695 Views
  • 13 replies
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Lens for Fast moving wildlife?

HI there, I am sort of new to photograph and I was looking at some lenses, I am wanting to shoot photos next year of my trips whenever I am out hunting and was wondering if a 70-200MM would be useful to have? I am wanting to possibly take photos of d...

Cajun by Contributor
  • 4409 Views
  • 8 replies
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Canon 400mm 2.8L prime - sticking AF?

Anyone experience this?? Back button focus on 1DX mk2 with 400mm prime 2.8L IS mk2.Sometimes (probably worse than a permanent fault) it sits there and wont focus. If I turn the manual focus ring to somewhere near the focal length point it picks up ag...

EF 40mm f/2.8 issue

I use the EF 40mm f/2.8 Canon "pancake" lens on a 6D and have an issue. The lens will appear to "focus" on whatever I select in the focus point in the viewfinder but when I press the shutter, it seems to "prefer" whatever is closest in the viewfinder...

pitchers by Contributor
  • 4736 Views
  • 16 replies
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What distance should I use?

At what distance should I set up my 5D Mark IV from the Spyderlenscal? I have read all sorts of varying info. My 70-200L is a bit soft, especially at 200mm. One site says the distance you shoot at, another says 50x the focal length..should I change t...

EF 50MM F/1.8 STM LENS

Considering purchasing this lens to start a Prime collection, it seems very cheap, what will all the ramifications of using this lens on my 70D EF-s camera be?

peterl by Contributor
  • 5810 Views
  • 15 replies
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iOptron 3200 SmartEQ Pro

Curious if anyone here has any experience with this unit, I am interested in astrophotograhy, although where I live there will not be any astounding milky way shots I would like to at least experiment with the genre.I have looked at several trackers ...

Canon 80D with Tamron 18-400 lens

I do mainly bird photography and like the versitiliy of this lens.  However having focus problems.   Lens does beautiful landscapes but when trying to focus on moving object not so good, even with a high shutter speed.   Anyone else using this lens a...

stargait by Apprentice
  • 7473 Views
  • 8 replies
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300mm or maybe not.

A futher little test shows the Sigma 120-300mm f2.8 has serious focus breathing issues.  This is from 25 ft.The Canon EF 300mm f/4L IS USM Lens first.  Now the Sigma 120-300mm f2.8 at 300mm at the same distance. You can try to decide whether the filt...

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ebiggs1 by Legend
  • 4550 Views
  • 11 replies
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EOS T5 - none of the lenses focus

I have the standard T5 kit from Amazon. It worked well for a couple of years, but today I took it out and none of the lenses would focus on anything - near, far, close. Grrrrr. I tried different settings, both on the camera and on the lenses, and not...

AF microadjustment

I finally dialed in the last of my Canon lens today, a 400MM F5.6, and it was the only one that required a major compensation.  By itself -8 was needed and with the 1.4X converter in place -1 was correct.  Most of my lenses were on with little or no ...

wq9nsc by Elite
  • 5048 Views
  • 5 replies
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lens

I have a EF 100-400 f 4.5-5.6 l series lens. It is suddenly having a hard time communicating with the camera. I get an error message that says clean the contacts, which I have done. The problem persists. I am in Panama, and there is an authorized Can...

Canon EF-S 55-250 mm f/4-5.6 IS STM Lens Problem

Hi there, So I'm getting into Photography and got my self a Canon 600d and this came with the standard kit lens and then I looked into getting a decent lens for photography and video making and saw a review on Youtube with theCanon EF-S 55-250 mm f/4...

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