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+  The Canon EOS and Photography Forums
|-+  Photography Forums
| |-+  Technical Questions on Photography and Optics
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Subject Started by Replies Views Last post
Hyperfocal Distance and Infinity lukeap69 11 20568 Last post August 21, 2008, 11:23:58 AM
by Bob Atkins
does crop factor affect the actual f-stop? emanresu 8 18393 Last post April 07, 2010, 09:32:50 AM
by KeithB
Circular polorizing filter questions 2_Rastas 13 17858 Last post November 04, 2008, 07:43:35 PM
by 2_Rastas
Phase Detection Autofocus KeithB 1 17729 Last post March 13, 2009, 03:01:31 PM
by Bob Atkins
any recommendations on good GND filters? « 1 2 » emanresu 20 16492 Last post March 11, 2011, 04:04:03 PM
by Bob Atkins
Lens camouflage? « 1 2 » Frank Kolwicz 20 15151 Last post September 18, 2013, 12:03:09 PM
by Frank Kolwicz
Canon 5DII and 500L/4.5 still has focus problem « 1 2 » Frank Kolwicz 19 15124 Last post August 10, 2012, 06:14:55 PM
by Frank Kolwicz
The Cost vs. Performance Dilemma of Choosing a Circular Polarizing Filter dppollet 3 14464 Last post May 12, 2009, 12:38:44 PM
by KeithB
Testing an old flash for voltage KeithB 9 13067 Last post December 02, 2009, 01:27:22 AM
by nikonian
depth of field and Hyperfocal distance « 1 2 » brett.cooper76@gmail.com 15 12508 Last post January 10, 2013, 08:55:06 AM
by brett.cooper76@gmail.com
EXIF Hyperfocal Distance etc. diplonics 3 12359 Last post July 14, 2008, 09:32:21 AM
by KeithB
1.6X crop versus full frame sensor diffraction limits with small apertures John Hanlon 2 12149 Last post July 01, 2008, 10:08:11 AM
by John Hanlon
What physical/optical attributes determine the max aperture of a lens? emanresu 10 11887 Last post November 04, 2009, 08:54:38 PM
by emanresu
Green Goblin effect Barrierislandgirl 9 11741 Last post February 09, 2009, 09:19:08 AM
by Barrierislandgirl
Help with a "walk-around ... DP 10 11696 Last post May 04, 2009, 09:32:58 AM
by KeithB
High speed sync « 1 2 » Johnf 17 11553 Last post March 11, 2011, 03:51:21 PM
by Bob Atkins
Infinity adjustment? « 1 2 » Frank Kolwicz 25 11506 Last post September 14, 2014, 05:01:59 PM
by Frank Kolwicz
Processing digital infrared photos jamisan 7 11435 Last post February 23, 2009, 07:24:59 PM
by jamisan
sRAW and how it is implemented? 509 2 11044 Last post August 28, 2008, 10:07:33 AM
by 509
!.4X Extender recommendations: Canon or Kenko or Sigma ? nycandre 5 10864 Last post August 11, 2009, 06:33:53 AM
by SidSP
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