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How do I choose among all the UV filters?
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mauijon


Joined: 02 Mar 2005
Posts: 4286
Location: Maui, Hawaii
Post Posted: Sat Jun 02, 2012 7:12 pm     Reply with quote

Re: the girl picture comments,
Fat people see themselves as OK. Skinny people see themselves the same way, OK. Fat people think skinny is unnatural, skinny people think fat is unnatural.

Since, in the US at least, there are many more fat people than skinny, you hear more people saying "Oh, she's anorexic, feed her," than the other way 'round.
jeffbanke


Joined: 18 Dec 2005
Posts: 17468
Location: www.xlr8photo.com, The real California
Post Posted: Mon Jun 04, 2012 9:38 am     Reply with quote

rinder99 wrote:
jeffbanke wrote:
Kenny's post is correct though, every air/glass interface is a source of degredation or introduction of distortion and Chromatic Aberrations.

Interestingly enough, I took a bunch of images with the 300mm (the lens with scratch in it), and cannot see any flaws in them YET!


your not gonna see a scratch jeff.


One would think so, but I could only find the usual dust bunnies in this image for example, f7.1, 1/500th, ISO 200, 300mm

Guess I need to shoot a white backdrop or something to really make it obvious at a variety of f stops to see where it will manifest itself :-)

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rinder99


Joined: 12 Jul 2005
Posts: 39256
Location: Contact www.rinderart.com/Books and Workshops www.rindersmithphotography.com Youtube/rinder
Post Posted: Mon Jun 04, 2012 11:19 am     Reply with quote

I did a test some years ago. I took a 1/8th in square piece of postit and stuck it to the front of a lens. ....Nothing showed
Mike Price


Joined: 06 Jun 2008
Posts: 2920
Location: South Wales
Post Posted: Mon Jun 04, 2012 2:05 pm     Reply with quote

Have a look at these photos taken with a smashed front element. The lack of sharpness is supposedly due to the element being out of alignment, not being cracked.

http://www.lensrentals.com/blog/2008/10/front-element-scratches

Mike
pancaketom


Joined: 21 Nov 2006
Posts: 211
Post Posted: Mon Jun 18, 2012 10:31 pm     Reply with quote

Here is another post from lensrentals where they stack up UV filters...

http://www.lensrentals.com/blog/2011/06/good-times-with-bad-filters
 
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