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+  The Canon EOS and Photography Forums
|-+  Photography Forums
| |-+  Technical Questions on Photography and Optics
Pages: 1 [2] 3 4 ... 8
Subject Started by Replies Views Last post
Mining T-Stop Data from DxO KeithB 1 1672 Last post October 27, 2010, 10:45:17 AM
by Bob Atkins
Extension Tube Question EF 70-300 IS rixtix 4 1716 Last post April 30, 2013, 05:04:45 PM
by rixtix
Why not more wide angle zoom? Patibo 2 1798 Last post February 11, 2012, 02:03:50 PM
by Glenn NK
a couple of questions regarding GND filters emanresu 4 1942 Last post February 01, 2011, 08:05:44 AM
by emanresu
Exposure Time Limitations on a Canon 40D Tallyther 1 2005 Last post March 26, 2012, 09:59:31 PM
by Bob Atkins
Sigma VS Canon Telephot Comparison Question Tallyther 1 2064 Last post January 10, 2010, 10:19:43 PM
by Bob Atkins
Problem with manual focussing Frank Kolwicz 5 2110 Last post October 10, 2011, 08:51:45 AM
by KeithB
astrophotography jamisan 3 2145 Last post November 07, 2010, 03:45:40 PM
by klindup
The old 20D Paula 1 2153 Last post January 22, 2010, 10:52:04 AM
by Bob Atkins
Lens magnification factor? Frank Kolwicz 8 2159 Last post November 30, 2013, 03:16:59 PM
by Frank Kolwicz
Canon IS effectiveness: amplitude and frequency Frank Kolwicz 7 2162 Last post May 22, 2013, 11:40:05 AM
by Frank Kolwicz
"Blueprint" a lens? Frank Kolwicz 3 2207 Last post September 21, 2011, 01:14:17 PM
by Bob Atkins
plenoptic cameras emanresu 3 2229 Last post February 20, 2011, 03:41:11 PM
by emanresu
digital exposure data Bill I 3 2252 Last post February 25, 2011, 06:24:32 AM
by emanresu
newbie lens question 126andy 2 2332 Last post March 07, 2010, 02:08:51 PM
by 126andy
lose the preflash. nikonian 0 2338 Last post December 06, 2009, 03:45:25 AM
by nikonian
Question about the new DXO site and lens measurement methods Johnny 2 2344 Last post June 28, 2010, 08:56:58 AM
by Johnny
Telextenders versus cropping and quality Frank Kolwicz 3 2371 Last post June 28, 2011, 10:38:42 AM
by KeithB
Long lens/vehicle problems « 1 2 » Frank Kolwicz 16 2382 Last post September 20, 2013, 05:19:27 PM
by Bob Atkins
Aperture 3 vs. Lightroom olyduck 2 2409 Last post June 18, 2011, 10:46:17 AM
by deemery
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