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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 25 Nov 2010 (Thursday) 12:46
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24L vignette with stacked filters?

 
aroundlsu
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Nov 25, 2010 12:46 |  #1

I am about to pick up a 24L II and was wondering if I need to use the slim pola when stacking on an ND filter or will a regular pola + ND work without vignetting?

This will be used for video. On my 35L an ND 1.8 plus a pola looks great. Unfortunately I am going to have to buy a new round of 77mm filters for the 24L.


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Fanto
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Nov 25, 2010 14:23 |  #2

I have the 24L II and I wouldn't take a chance and I'd go with slim.




  
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Helena
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Nov 25, 2010 14:26 |  #3

I was lazy once and and tried stacking a regular pol. filter on top a UV filter and got a lot of vignetting. It was so bad that I had to crop it out.
Even the pol. filter alone causes some vignetting (but is usable), so I recommend a slim filter.

Like you, on 35L I can stack two filters with no problems.


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Spaniard
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Nov 25, 2010 16:07 |  #4

True, go for a slim filter. I'm using a B+W slim UV filter.


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r.morales
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Nov 25, 2010 19:52 |  #5

I stack ND and ksm or the UV + ksm [the UV+ ksm when lazy or in a hurry .
It sounds funny but sometimes I get light vignetting - sometimes not . I just figured it was focusing at different distances ,
But it could be different ksm's or UV's [probably 60% of the time that I use a CPL - I use a rubber hood - easier to adjust cpl - just turn hood .] . I carry 2 ksm's , uv's and nd's with me . They are all B+W and are bought at different times so not matched or from same batch .
Oh , on my 10-22 at 10mm , never had a problem with the 17-55mm . I have 2 slims - don't like -
If you go for the slim , put a rubber band on it - a lot easier to adjust and gives a little extra space before you touch the glass on cpl .
BTW - I carry the little packets with a piece of tissue with alcohol on it . Open and wipe tips of fingers - it removes finger oil


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newworld666
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Nov 26, 2010 01:04 as a reply to  @ r.morales's post |  #6

I tried it ... I bought 2 ND filters :
one 77mm fader N2 to N400 which increase le diameter to 82mm
and one ND 400 82mm ..

So vignetting is OK ... but, I was a bit disappointed with the results

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Faders can give a cross when they are too closed on 24mm!!! it was more usable on 85mm ...

You can always buy 82mm and an adapter from 77 to 82mm and never be disturbed by potential vignetting.

Marc
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aroundlsu
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Nov 26, 2010 01:12 |  #7

If I buy 82mm filters can I still use the lens hood?


Teddy Smith, SOC
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newworld666
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Nov 26, 2010 01:19 as a reply to  @ aroundlsu's post |  #8

:rolleyes: with fader or CPL :shock:

My fingers are too big :lol:


Marc
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jdizzle
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Nov 26, 2010 07:02 |  #9

You will get vignetting with a standard size CPL. Going the thin route prevents that.




  
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24L vignette with stacked filters?
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