Photography
Alan Marcus
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993 Answers

Newest Activity Votes
65
Why is a dark-room safelight safe?
Jun 2 '16 at 22:32
54
What is the point of the depressible peg on a quick release plate?
Oct 2 '17 at 15:25
45
Why do we use RGB instead of wavelengths to represent colours?
Jun 4 '17 at 13:20
36
Why is the cost of film going up so fast?
Jan 13 at 15:39
34
What technique is used on old technical brochure pictures, which look like a “polished” or “smoothed” rendering?
Jun 10 '18 at 15:06
33
How do I safety check that there is no light in Darkroom / Darkbag?
Aug 1 at 22:38
31
Can I mimic animal “tapetum lucidum” in a film camera?
Oct 23 '17 at 15:23
30
Should I horizontally flip a client's portrait?
Oct 19 '17 at 13:52
29
Why doesn't the picture become darker the more you zoom in?
Jul 25 '18 at 22:37
29
How did my negatives end up upside down and backwards?
Aug 17 '17 at 2:33
27
How can I make a grave-side photo which will not fade?
Sep 15 '17 at 2:35
24
What are these clusters of branching structures on/in my lens?
Jun 17 '18 at 18:37
24
Has anybody ever taken an analog photo of a negative to turn it into a positive?
Jun 16 '17 at 13:56
21
50mm mirror lens. Does one exist?
Dec 16 '17 at 23:28
21
Do convex lenses make parallel light rays of different wavelength converge to different points?
Dec 20 '17 at 0:10
20
How to Destroy Slides
Jan 18 '16 at 4:29
16
Why does wider aperture make snowflakes look bigger?
Feb 28 '18 at 7:31
16
Why must unexposed and undeveloped film be handled in total darkness?
Sep 17 '17 at 14:59
16
What causes these lines / scratches to appear on my developed film?
Jun 30 '16 at 0:14
16
Why is infrared light's focus point different from that of visible light?
Oct 26 '15 at 19:42
15
What do these curved, color-coded lines mean on a vintage Nikkor lens?
Aug 1 '18 at 4:39
14
How do manufacturers get to high (83x) zoom levels on hybrid cameras?
Jul 12 '18 at 15:48
14
Are lens hoods a must?
Oct 5 '17 at 14:16
13
Is this lightning image a natural phenomena or a digital camera artifact?
Oct 3 '18 at 19:37
12
What motivated lens makers to now use 1/3 f-stops rather than say 1/4 or 1/2 stops?
Oct 25 '16 at 21:56
12
What is the “Water Glass” training technique for learning to hold a camera steady?
Oct 18 '18 at 22:30
12
What is this rainbow-effect when photographing through curved (cylindrical) glass called?
Jan 2 '18 at 15:53
11
How to avoid objects casting shadows when taking pictures of products?
Oct 16 '18 at 16:07
11
What caused these strange patches on developed film negatives?
Sep 5 '18 at 18:44
11
Why doesn't the focus distance at which my lens has magnification 1 match the formula?
May 29 '18 at 15:10
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