Technical Questions on Photography and Optics

Subject	Started by	Replies	Views	Last post
Your "Black Dots" article - question	duranash	8	6073	January 09, 2009, 02:23:22 PM by Bob Atkins
Will changing lens focal length by TC corrupt image stabilizer?	dentheman	4	2262	February 12, 2010, 02:22:58 PM by dentheman
Why not more wide angle zoom?	Patibo	2	1090	February 11, 2012, 02:03:50 PM by Glenn NK
White Balance on Canon EOS Digital	alexthephotoguy	2	4345	January 05, 2009, 04:12:42 PM by KeithB
White Balance Menu Settings	bmpress	3	2385	May 12, 2010, 10:35:41 AM by bmpress
Whisch lens to choose?	Mickw	2	3877	June 07, 2009, 10:50:58 PM by Bob Atkins
What physical/optical attributes determine the max aperture of a lens?	emanresu	10	6291	November 04, 2009, 08:54:38 PM by emanresu
Viewfinder brightness limit	KeithB	3	1587	April 21, 2011, 07:37:21 AM by KeithB
Too much fill flash	olyduck	1	4122	May 02, 2009, 05:21:13 PM by Bob Atkins
The old 20D	Paula	1	1712	January 22, 2010, 10:52:04 AM by Bob Atkins
The Cost vs. Performance Dilemma of Choosing a Circular Polarizing Filter	dppollet	3	7599	May 12, 2009, 12:38:44 PM by KeithB
The Age Old Question - Lenses	Rikster71	14	4650	February 11, 2010, 10:30:55 AM by Bob Atkins
Testing Old FD Lenses	SidSP	2	3608	July 28, 2009, 03:12:39 PM by SidSP
Testing an old flash for voltage	KeithB	9	6521	December 02, 2009, 01:27:22 AM by nikonian
test chart; inches or centimetres?	jpmfc46	1	4660	August 26, 2008, 11:19:32 AM by Bob Atkins
Telextenders versus cropping and quality	Frank Kolwicz	3	1417	June 28, 2011, 10:38:42 AM by KeithB
Tamron, Sigma Lens	Beachduffer	1	2139	January 18, 2010, 04:07:08 PM by Bob Atkins
Tamron 18-250, not really 250. Really not 250.	winniv	2	3361	September 16, 2009, 10:50:27 PM by winniv
sRAW and how it is implemented?	509	2	7450	August 28, 2008, 10:07:33 AM by 509
Spherical aberration and focusing	mike_tee_vee	2	4329	February 27, 2009, 12:47:58 PM by klindup