Technical Questions on Photography and Optics

Subject	Started by	Replies	Views	Last post
Best focal length for a whale watch	Johnf	3	1483	July 07, 2011, 04:02:15 AM by Johnf
plenoptic cameras	emanresu	3	1528	February 20, 2011, 03:41:11 PM by emanresu
a question about subtractive color	emanresu	4	1533	February 20, 2011, 05:30:31 AM by klindup
astrophotography	jamisan	3	1567	November 07, 2010, 03:45:40 PM by klindup
Viewfinder brightness limit	KeithB	3	1580	April 21, 2011, 07:37:21 AM by KeithB
5dII and EF500/4.5L AF micro adjustment fails	Frank Kolwicz	6	1620	October 17, 2011, 05:56:43 PM by Frank Kolwicz
Sigma VS Canon Telephot Comparison Question	Tallyther	1	1695	January 10, 2010, 10:19:43 PM by Bob Atkins
digital exposure data	Bill I	3	1704	February 25, 2011, 06:24:32 AM by emanresu
The old 20D	Paula	1	1711	January 22, 2010, 10:52:04 AM by Bob Atkins
5dII microadjust, 1.4x and taped contact pins	Frank Kolwicz	5	1722	August 13, 2012, 11:32:17 PM by Frank Kolwicz
Aperture 3 vs. Lightroom	olyduck	2	1731	June 18, 2011, 10:46:17 AM by deemery
EOS 1.4 tele on FD500/4.5L?	Frank Kolwicz	5	1784	August 13, 2011, 09:39:16 PM by Frank Kolwicz
Question about the new DXO site and lens measurement methods	Johnny	2	1804	June 28, 2010, 08:56:58 AM by Johnny
Cropped Sensor "extra reach"...I'm confused	duranash	2	1850	April 02, 2011, 07:18:22 PM by duranash
newbie lens question	126andy	2	1890	March 07, 2010, 02:08:51 PM by 126andy
Adjustable ND Filter	bmpress	7	1936	April 25, 2011, 06:06:51 AM by Bob Atkins
lose the preflash.	nikonian	0	1938	December 06, 2009, 03:45:25 AM by nikonian
Lens testing	KeithB	2	1960	June 16, 2010, 11:54:12 AM by Bob Atkins
Questionable Damage Effects Due to Dented End of Lens	Tallyther	2	2035	January 23, 2010, 12:40:15 PM by Tallyther
a question about dithering	emanresu	9	2037	July 08, 2011, 01:54:12 PM by emanresu