Imaging Technology: Theory, Alternatives, Practice and Advances.

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Imaging Technology: Theory, Alternatives, Practice and Advances.

Imaging Technology: Theory, Alternatives, Practice and Advances. This is a brand independent discussion of theory, process or device. Ignore this forum unless this matters to you!

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Threads in Forum : Imaging Technology: Theory, Alternatives, Practice and Advances.

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Views: 154,246 Announcement: Register With Real Names Only! March 3rd, 2009 Asher Kelman (OPF Owner/Editor-in-Chief)
Thread / Thread Starter	Last Post	Replies	Views
Sticky: The "reach" of a lens Doug Kerr	October 28th, 2011 09:12 AM by Asher Kelman	20	6,519
Sticky: A (very rare) recommendation for a DPR thread, on fundamental image quality. Bart_van_der_Wolf	January 29th, 2008 03:31 PM by Bart_van_der_Wolf	4	5,321
Canon patent for a reversible lens Doug Kerr	May 27th, 2017 04:41 AM by Reginald Johnson	3	622
Mirror imaging Doug Kerr	March 15th, 2017 05:47 PM by Doug Kerr	8	440
On macrophotography and "1:1" image magnifcation Doug Kerr	December 11th, 2016 09:44 AM by Asher Kelman	22	741
About "equivalent f-number" Doug Kerr	December 9th, 2016 06:47 AM by Doug Kerr	11	1,189
About viewfinder magnification Doug Kerr	October 24th, 2016 12:05 PM by Doug Kerr	0	425
Norwood's dome - what's with that? Doug Kerr	October 18th, 2016 08:37 AM by Doug Kerr	7	667
The ruler of thirds - a new way to describe sensor sizes Doug Kerr	October 6th, 2016 04:28 PM by Doug Kerr	8	869
Emulating incident light metering Doug Kerr	October 6th, 2016 06:25 AM by Doug Kerr	4	465
Silent shutter - take care or be creative Robert Watcher	September 13th, 2016 01:41 PM by Doug Kerr	13	751
Sensor size and "print size" Doug Kerr	September 10th, 2016 06:14 PM by Tom dinning	1	431
"Super 35" sensor sizes? Doug Kerr	September 7th, 2016 01:30 PM by Doug Kerr	2	460
The "dual pixel raw" output of the Canon EOS 5D Mark IV Doug Kerr	September 6th, 2016 09:31 AM by Doug Kerr	1	519
Zoom vs. crop Doug Kerr	August 14th, 2016 11:29 AM by Doug Kerr	6	716
Diffraction mitigation on the Canon PowerShot G7 X Mark II Doug Kerr	July 28th, 2016 08:50 AM by Doug Kerr	15	842
About "descriptive geometry" Doug Kerr	July 21st, 2016 07:43 PM by Tom dinning	13	856
About the ClearType system Doug Kerr	July 11th, 2016 10:25 AM by Doug Kerr	0	508
A reminder about "ISO sensitivity" Doug Kerr	July 6th, 2016 09:57 AM by Doug Kerr	0	514
Format size and bokeh Doug Kerr	June 30th, 2016 01:52 PM by Jerome Marot	1	507
Describing sensor sizes Doug Kerr	June 22nd, 2016 11:10 AM by Doug Kerr	4	696
About "quantizing noise" Doug Kerr	June 9th, 2016 08:03 PM by Asher Kelman	1	573
Ways to characterize the "dynamic range" of a camera Doug Kerr	June 9th, 2016 03:18 PM by Doug Kerr	0	521
How many photons? Jerome Marot	June 8th, 2016 02:50 PM by Doug Kerr	29	1,786
Some things about "expsure metering" Doug Kerr	June 8th, 2016 07:47 AM by Doug Kerr	2	545
Best focus adjustment for Canon EF lenses Doug Kerr	April 15th, 2016 11:04 AM by Doug Kerr	3	963
A mystery about lens AF calibration and micro AF adjustement Doug Kerr	April 12th, 2016 06:47 AM by Doug Kerr	6	1,045
The Canon sRaw and mRaw output formats - updated technical article Doug Kerr	November 18th, 2015 07:34 AM by Doug Kerr	0	1,315
Chromatic transformation "DNG style" Doug Kerr	November 4th, 2015 06:29 PM by Doug Kerr	1	999
Value compression of raw data in the Leica M8 Doug Kerr	November 2nd, 2015 10:15 PM by Doug Kerr	5	1,100
About sensor "channel sensitivities" Doug Kerr	October 27th, 2015 08:36 AM by Doug Kerr	3	1,021
Sensor color behavior and the DxO report Doug Kerr	October 18th, 2015 06:43 PM by Doug Kerr	16	1,824
Lens corrections in Leica raw (DNG) files Doug Kerr	October 12th, 2015 11:36 AM by Doug Kerr	7	1,797
About matrix multiplication Doug Kerr	October 3rd, 2015 12:43 PM by Doug Kerr	6	1,239
My World: Is it difficulty? fahim mohammed	September 23rd, 2015 11:10 PM by Paul Abbott	7	1,226
New Pro-Class Compact Experience: Dpreview quotes Doug Kerr in understanding low light performance Asher Kelman	September 22nd, 2015 08:34 AM by fahim mohammed	3	1,110
An excuse to discussing "Great Color" and getting to it! ( 1 2) Asher Kelman	September 21st, 2015 07:55 AM by Cem_Usakligil	53	4,007
White balance color correction Doug Kerr	September 20th, 2015 12:11 PM by Doug Kerr	3	2,497
Metameric error in our sensors; camera-lens profiles Doug Kerr	September 17th, 2015 05:47 PM by Doug Kerr	0	799
The many roles of look up tables Doug Kerr	September 15th, 2015 04:14 PM by Doug Kerr	1	883
Graphics Processor usage in LR6/CC and Capture One 8.3.2 Cem_Usakligil	September 14th, 2015 03:51 PM by Bart_van_der_Wolf	4	1,237
Lighting in the color balancing suite Doug Kerr	September 14th, 2015 10:35 AM by Doug Kerr	0	810
Norwood's dome revisted Doug Kerr	September 10th, 2015 08:27 PM by Doug Kerr	5	1,155
Ev is not the measure of everything, and not the unit of anything Doug Kerr	September 10th, 2015 01:19 PM by Doug Kerr	15	1,487
Canon-log - a new compression algorithm Doug Kerr	August 23rd, 2015 12:02 PM by Doug Kerr	14	1,710
Depth of field and out-of-focus blur Doug Kerr	August 21st, 2015 02:50 PM by Doug Kerr	2	1,014
On sensor sizes Doug Kerr	August 20th, 2015 09:00 AM by Jerome Marot	12	1,563
A new sensor size taxonomy Doug Kerr	August 17th, 2015 01:54 PM by Dr Klaus Schmitt	1	1,039
The canon "sRaw" and "mRaw" output formats Doug Kerr	August 5th, 2015 12:09 PM by Doug Kerr	0	969
Demosaicing algorithms Doug Kerr	August 3rd, 2015 01:35 PM by Doug Kerr	4	1,375
The antialising filter "paradox" Doug Kerr	July 1st, 2015 01:28 PM by Asher Kelman	13	3,362
On the two meanings of "modulation transfer function" (MTF) Doug Kerr	June 30th, 2015 05:07 PM by Doug Kerr	3	1,083
MTF and the "modulation transfer coeffcient" Doug Kerr	June 26th, 2015 01:30 PM by Doug Kerr	0	835
Challenge: Concept: Can we accept modern art filters as just new variants in processing? Asher Kelman	June 19th, 2015 10:37 AM by Asher Kelman	16	2,594
Photographer Assistance: lumix fz 200 - problem elisha freund	May 24th, 2015 08:27 PM by Doug Kerr	5	1,344
Why the quality of a Leica lens is better ( 1 2 3 ... Last Page) Antonio Correia	May 17th, 2015 01:08 PM by Antonio Correia	91	7,271
5/8 Spring Another day of Alts Roger Lund	May 8th, 2015 05:04 PM by Roger Lund	0	915
Question: Couple questions about measuring MTF of camera Marwan Daar	April 20th, 2015 03:02 PM by Marwan Daar	2	1,326
Background isolation...perception Bob Latham	April 17th, 2015 10:08 AM by Jerome Marot	9	2,776
Clouds Antonio Correia	April 8th, 2015 02:47 AM by Antonio Correia	6	1,445
Sleep Walking Photographers James Lemon	March 15th, 2015 10:33 AM by James Lemon	0	832
Helpful Hints/D.I.Y.: A new resolution test target ( 1 2) Bart_van_der_Wolf	February 10th, 2015 09:34 AM by Doug Kerr	31	23,753

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