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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
Folded Refracting Telescope? mjperini 6 90 Last post July 22, 2014, 12:45:05 AM
by Bob Atkins
Infinity adjustment? « 1 2 » Frank Kolwicz 24 1115 Last post July 16, 2014, 01:19:16 PM
by Frank Kolwicz
Lens adapters KeithB 1 186 Last post June 10, 2014, 04:09:17 PM
by Bob Atkins
Aticle on Lens testing KeithB 0 920 Last post February 19, 2014, 09:04:21 AM
by KeithB
Sensors, and Bit Depth, what might be next mjperini 5 972 Last post January 30, 2014, 02:38:24 PM
by mjperini
Lens magnification factor? Frank Kolwicz 8 1876 Last post November 30, 2013, 03:16:59 PM
by Frank Kolwicz
Limiting factor for Aperture KeithB 3 1060 Last post November 25, 2013, 07:11:58 PM
by Bob Atkins
70d support for old versions of Lightroom? Frank Kolwicz 4 1184 Last post October 28, 2013, 02:21:59 PM
by Johnny
IS verus battery level Frank Kolwicz 5 1002 Last post October 28, 2013, 02:15:30 PM
by Johnny
Long lens/vehicle problems « 1 2 » Frank Kolwicz 16 2078 Last post September 20, 2013, 05:19:27 PM
by Bob Atkins
Lens camouflage? « 1 2 » Frank Kolwicz 20 5884 Last post September 18, 2013, 12:03:09 PM
by Frank Kolwicz
Statement in Luminous Landscape KeithB 1 1115 Last post August 09, 2013, 04:16:09 PM
by Bob Atkins
Cool article on testing IS KeithB 0 618 Last post July 30, 2013, 07:57:23 AM
by KeithB
Telescope Mounts for Cameras klindup 1 915 Last post June 13, 2013, 01:39:39 PM
by Bob Atkins
Canon IS effectiveness: amplitude and frequency Frank Kolwicz 7 1967 Last post May 22, 2013, 11:40:05 AM
by Frank Kolwicz
Extension Tube Question EF 70-300 IS rixtix 4 1574 Last post April 30, 2013, 05:04:45 PM
by rixtix
Magnification APS vs Full Frame KeithB 3 1012 Last post April 23, 2013, 12:59:26 PM
by Bob Atkins
Long Lens Apertures KeithB 3 1180 Last post April 06, 2013, 02:29:48 PM
by Bob Atkins
depth of field and Hyperfocal distance « 1 2 » brett.cooper76@gmail.com 15 3864 Last post January 10, 2013, 08:55:06 AM
by brett.cooper76@gmail.com
Sensor size comparison Frank Kolwicz 3 1222 Last post January 06, 2013, 02:39:32 PM
by Bob Atkins
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