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+  The Canon EOS and Photography Forums
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| |-+  Technical Questions on Photography and Optics
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Subject Started by Replies Views Last post
Help with a "walk-around ... DP 10 6766 Last post May 04, 2009, 09:32:58 AM
by KeithB
Manual focus lenses yayas 6 6860 Last post April 26, 2009, 08:38:31 PM
by Bob Atkins
any recommendations on good GND filters? « 1 2 » emanresu 20 6866 Last post March 11, 2011, 04:04:03 PM
by Bob Atkins
What physical/optical attributes determine the max aperture of a lens? emanresu 10 7104 Last post November 04, 2009, 08:54:38 PM
by emanresu
Modifying the Canon EF-S 18-55 *IS* lens for use on Canon 10D? E7RNN 5 7163 Last post February 06, 2011, 02:13:58 PM
by poppy79424
1.6X crop versus full frame sensor diffraction limits with small apertures John Hanlon 2 7352 Last post July 01, 2008, 10:08:11 AM
by John Hanlon
!.4X Extender recommendations: Canon or Kenko or Sigma ? nycandre 5 7532 Last post August 11, 2009, 06:33:53 AM
by SidSP
Testing an old flash for voltage KeithB 9 7735 Last post December 02, 2009, 01:27:22 AM
by nikonian
Processing digital infrared photos jamisan 7 7821 Last post February 23, 2009, 07:24:59 PM
by jamisan
Green Goblin effect Barrierislandgirl 9 7856 Last post February 09, 2009, 09:19:08 AM
by Barrierislandgirl
sRAW and how it is implemented? 509 2 8116 Last post August 28, 2008, 10:07:33 AM
by 509
does crop factor affect the actual f-stop? emanresu 8 8827 Last post April 07, 2010, 09:32:50 AM
by KeithB
The Cost vs. Performance Dilemma of Choosing a Circular Polarizing Filter dppollet 3 9281 Last post May 12, 2009, 12:38:44 PM
by KeithB
Circular polorizing filter questions 2_Rastas 13 11000 Last post November 04, 2008, 07:43:35 PM
by 2_Rastas
Hyperfocal Distance and Infinity lukeap69 11 11544 Last post August 21, 2008, 11:23:58 AM
by Bob Atkins
Phase Detection Autofocus KeithB 1 12698 Last post March 13, 2009, 03:01:31 PM
by Bob Atkins
Pages: 1 ... 6 7 [8]
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