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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
any recommendations on good GND filters? « 1 2 » emanresu 20 6878 Last post March 11, 2011, 04:04:03 PM
by Bob Atkins
Lens camouflage? « 1 2 » Frank Kolwicz 20 4842 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 4404 Last post August 10, 2012, 06:14:55 PM
by Frank Kolwicz
High speed sync « 1 2 » Johnf 17 4038 Last post March 11, 2011, 03:51:21 PM
by Bob Atkins
Long lens/vehicle problems « 1 2 » Frank Kolwicz 16 1316 Last post September 20, 2013, 05:19:27 PM
by Bob Atkins
depth of field and Hyperfocal distance « 1 2 » brett.cooper76@gmail.com 15 2938 Last post January 10, 2013, 08:55:06 AM
by brett.cooper76@gmail.com
The Age Old Question - Lenses Rikster71 14 5107 Last post February 11, 2010, 10:30:55 AM
by Bob Atkins
Circular polorizing filter questions 2_Rastas 13 11005 Last post November 04, 2008, 07:43:35 PM
by 2_Rastas
Hyperfocal Distance and Infinity lukeap69 11 11554 Last post August 21, 2008, 11:23:58 AM
by Bob Atkins
What physical/optical attributes determine the max aperture of a lens? emanresu 10 7112 Last post November 04, 2009, 08:54:38 PM
by emanresu
Help with a "walk-around ... DP 10 6773 Last post May 04, 2009, 09:32:58 AM
by KeithB
I want an eye popping sharp lens compared to what I have. So which is least $? Tallyther 10 4325 Last post January 29, 2010, 08:08:22 PM
by emanresu
DOF optimization pesa 10 3866 Last post February 20, 2010, 02:39:40 PM
by Bob Atkins
a question about dithering emanresu 9 2890 Last post July 08, 2011, 01:54:12 PM
by emanresu
Green Goblin effect Barrierislandgirl 9 7862 Last post February 09, 2009, 09:19:08 AM
by Barrierislandgirl
Testing an old flash for voltage KeithB 9 7742 Last post December 02, 2009, 01:27:22 AM
by nikonian
Your "Black Dots" article - question duranash 8 6559 Last post January 09, 2009, 02:23:22 PM
by Bob Atkins
does crop factor affect the actual f-stop? emanresu 8 8840 Last post April 07, 2010, 09:32:50 AM
by KeithB
Lens magnification factor? Frank Kolwicz 8 1033 Last post November 30, 2013, 03:16:59 PM
by Frank Kolwicz
Effects of Sensor Size on Photogrammetric Measurement Accuracy Massi 7 5377 Last post May 16, 2009, 08:50:21 PM
by KeithB
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