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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
Long Lens Apertures KeithB 3 3325 Last post April 06, 2013, 02:29:48 PM
by Bob Atkins
Sensor size comparison Frank Kolwicz 3 3370 Last post January 06, 2013, 02:39:32 PM
by Bob Atkins
newbie lens question 126andy 2 3377 Last post March 07, 2010, 02:08:51 PM
by 126andy
lose the preflash. nikonian 0 3390 Last post December 06, 2009, 03:45:25 AM
by nikonian
astrophotography jamisan 3 3448 Last post November 07, 2010, 03:45:40 PM
by klindup
Question about the new DXO site and lens measurement methods Johnny 2 3509 Last post June 28, 2010, 08:56:58 AM
by Johnny
Exposure Time Limitations on a Canon 40D Tallyther 1 3555 Last post March 26, 2012, 09:59:31 PM
by Bob Atkins
Autofocus and critical sharpness Frank Kolwicz 4 3609 Last post August 28, 2014, 04:37:05 PM
by Frank Kolwicz
70d support for old versions of Lightroom? Frank Kolwicz 4 3645 Last post October 28, 2013, 02:21:59 PM
by Johnny
Folded Refracting Telescope? mjperini 6 3689 Last post July 22, 2014, 12:45:05 AM
by Bob Atkins
plenoptic cameras emanresu 3 3698 Last post February 20, 2011, 03:41:11 PM
by emanresu
a couple of questions regarding GND filters emanresu 4 3754 Last post February 01, 2011, 08:05:44 AM
by emanresu
digital exposure data Bill I 3 3770 Last post February 25, 2011, 06:24:32 AM
by emanresu
Questionable Damage Effects Due to Dented End of Lens Tallyther 2 3787 Last post January 23, 2010, 12:40:15 PM
by Tallyther
Tamron, Sigma Lens Beachduffer 1 3804 Last post January 18, 2010, 04:07:08 PM
by Bob Atkins
Sensors, and Bit Depth, what might be next mjperini 5 3806 Last post January 30, 2014, 02:38:24 PM
by mjperini
flashing lights when viewing my pics on my canon 40d gap5758 1 3832 Last post September 12, 2010, 05:48:08 PM
by KeithB
IS verus battery level Frank Kolwicz 5 3835 Last post October 28, 2013, 02:15:30 PM
by Johnny
Canon 40D picture quality issue! Tallyther 1 3881 Last post March 07, 2010, 07:21:51 PM
by Bob Atkins
Aperture 3 vs. Lightroom olyduck 2 3920 Last post June 18, 2011, 10:46:17 AM
by deemery
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