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Imaging Technology & Art Theory and Sensibilities
This is a brand independent discussion of theory, process, motifs, esthetics or device. Ignore this forum unless this matters to you!
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Sticky
A (very rare) recommendation for a DPR thread, on fundamental image quality.
Bart_van_der_Wolf
Jan 28, 2008
Replies
21
Views
14K
May 1, 2019
Asher Kelman
Sticky
The "reach" of a lens
Doug Kerr
Oct 26, 2011
Replies
20
Views
21K
Oct 28, 2011
Asher Kelman
Norwood's dome lives on
Doug Kerr
Yesterday at 9:38 PM
Replies
1
Views
21
Yesterday at 10:47 PM
Doug Kerr
On standard aperture values
Doug Kerr
Sep 1, 2026
2
Replies
55
Views
624
Yesterday at 7:32 PM
Doug Kerr
The mystery of different values of C in incident light exposure meters
Doug Kerr
Aug 22, 2026
2
Replies
32
Views
1K
Yesterday at 5:00 PM
Doug Kerr
I was completely wrong!
Doug Kerr
Aug 29, 2026
Replies
21
Views
466
Sep 1, 2026
Doug Kerr
On certain series of numbers - correction
Doug Kerr
Aug 29, 2026
Replies
1
Views
136
Aug 29, 2026
Doug Kerr
The film speed scale of the Sekonic L-398 family of exposure meters
Doug Kerr
Aug 26, 2026
Replies
10
Views
610
Aug 28, 2026
Doug Kerr
The exposure time scale of the Sekonic L-398 exposure meter
Doug Kerr
Aug 27, 2026
Replies
1
Views
140
Aug 27, 2026
Ted Cousins
On the values of "C" for the Sekonic L-398A exposure meter
Doug Kerr
Aug 16, 2026
2
Replies
39
Views
2K
Aug 22, 2026
Doug Kerr
Playing with my Sekonic L-398A calculator dial
Ted Cousins
Aug 13, 2026
Replies
28
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1K
Aug 15, 2026
Doug Kerr
Equation test - please ignore
Doug Kerr
Aug 3, 2026
2
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30
Views
1K
Aug 10, 2026
Doug Kerr
Another ISO 12232 metric of digital camera sensitivity
Doug Kerr
Jul 11, 2026
2
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39
Views
2K
Aug 4, 2026
Will Thompson
Where the metering "K" comes from - in-depth
Ted Cousins
Jul 16, 2026
Replies
1
Views
213
Jul 16, 2026
Doug Kerr
On the infamous "18% average scene reflectance" and various ISO standards
Doug Kerr
Jul 11, 2026
Replies
17
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911
Jul 14, 2026
Doug Kerr
Relating traditional exposure metering and modern exposure control
Doug Kerr
Jul 12, 2026
Replies
0
Views
139
Jul 12, 2026
Doug Kerr
Exposure metering and automatic exposure control
Doug Kerr
Jul 10, 2026
Replies
0
Views
192
Jul 10, 2026
Doug Kerr
On the "headroom" in reflected light exposure metering
Doug Kerr
Jul 8, 2026
Replies
9
Views
488
Jul 10, 2026
Doug Kerr
Exposure metering and careless language
Doug Kerr
Jul 6, 2026
Replies
8
Views
607
Jul 9, 2026
Doug Kerr
Don Norwood's "second round"
Doug Kerr
Jul 5, 2026
Replies
1
Views
233
Jul 7, 2026
Doug Kerr
Exposure metering - "duplex vs "Norwood" techniques
Doug Kerr
Jul 1, 2026
Replies
5
Views
372
Jul 4, 2026
Doug Kerr
Exposure meter accuracy tolerance
Doug Kerr
Jun 30, 2026
Replies
3
Views
446
Jul 4, 2026
Ted Cousins
About that 18%
Doug Kerr
Jun 15, 2026
Replies
7
Views
645
Jun 17, 2026
Doug Kerr
Adams Zone Dial on a Weston 'Master' lightmeter
Ted Cousins
Jun 12, 2026
Replies
14
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941
Jun 14, 2026
Doug Kerr
Portraits and focal length
Doug Kerr
Jun 11, 2026
Replies
7
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1K
Jun 12, 2026
Doug Kerr
Why the f-number matters in exposure
Doug Kerr
Jun 12, 2026
Replies
0
Views
293
Jun 12, 2026
Doug Kerr
About luminous flux density
Doug Kerr
Jun 7, 2026
Replies
13
Views
1K
Jun 11, 2026
Ted Cousins
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