Lens Testing: There was a discussion here about testing a lens for focus. I did some Googling and found this site. It offers some test charts to print and lots of information.

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Lens Testing

Dec 31, 2011 17:48:21 #

jerryc41 Loc: Catskill Mts of NY

There was a discussion here about testing a lens for focus. I did some Googling and found this site. It offers some test charts to print and lots of information.

http://www.bobatkins.com/photography/technical/testing_lenses.html

Dec 31, 2011 21:16:58 #

Dria Loc: Ohio

What I don't like about his method is to "have it printed to check it" great so now is the printer off or the lens... one more variable thrown in :)

Jan 1, 2012 00:41:24 #

jerryc41 Loc: Catskill Mts of NY

Dria wrote:

What I don't like about his method is to "have it printed to check it" great so now is the printer off or the lens... one more variable thrown in :)

Of course, but I realize that going in. It will be an afternoon project for me. Even if the printing isn't perfect, I'll be able to compare lenses, focal lengths, and apertures - using the same sheets.

Happy New Year!

Jan 2, 2012 02:05:03 #

silver Loc: Santa Monica Ca.

jerryc41 wrote:

The simplest way to test a lens is to take a photograph of a flat piece of newspaper and see how sharp the image is on a good screen. This will give a really good indication as to how sharp your lens is.

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