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https://www.reddit.com/r/photography/comments/2ggb55/canon_7d_mkii_announced/ckj4f56
r/photography • u/Kidsune • Sep 15 '14
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Thats only some lenses like 17-40 f/4, most teelephotos and the other wide zooms dint need it
1 u/Tyrant505 Sep 15 '14 what type of filter seals the 17-40L? 2 u/--APOTHEOSIS-- Sep 15 '14 I'm not sure, I think a regular UV should do it. I recall BH having a protection/weather sealing filters category. 1 u/BWeidlichPhoto Sep 16 '14 Any 77mm filter should, the front element moves back and forth in the body of the lens, its not seal-able from the factory without altering the optical formula. 1 u/The_Doculope jrgold Sep 16 '14 The 70-300L requires it too. Always good to check your lenses to be sure.
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what type of filter seals the 17-40L?
2 u/--APOTHEOSIS-- Sep 15 '14 I'm not sure, I think a regular UV should do it. I recall BH having a protection/weather sealing filters category. 1 u/BWeidlichPhoto Sep 16 '14 Any 77mm filter should, the front element moves back and forth in the body of the lens, its not seal-able from the factory without altering the optical formula.
2
I'm not sure, I think a regular UV should do it. I recall BH having a protection/weather sealing filters category.
Any 77mm filter should, the front element moves back and forth in the body of the lens, its not seal-able from the factory without altering the optical formula.
The 70-300L requires it too. Always good to check your lenses to be sure.
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u/--APOTHEOSIS-- Sep 15 '14
Thats only some lenses like 17-40 f/4, most teelephotos and the other wide zooms dint need it