user avatar
user avatar
user avatar
Alan Marcus
  • Member for 6 years, 9 months
  • Last seen this week
  • Anaheim, CA USA
68 votes
Accepted

Why is a dark-room safelight safe?

58 votes
Accepted

What is the point of the depressible peg on a quick release plate?

46 votes

Why do we use RGB instead of wavelengths to represent colours?

36 votes

Why is the cost of film going up so fast?

34 votes

What technique is used on old technical brochure pictures, which look like a "polished" or "smoothed" rendering?

33 votes
Accepted

Why are War Photographers able to take pictures that seemingly violate the exposure rule?

32 votes

How do I safety check that there is no light in Darkroom / Darkbag?

32 votes
Accepted

Why doesn't the picture become darker the more you zoom in?

31 votes

Should I horizontally flip a client's portrait?

31 votes
Accepted

Can I mimic animal "tapetum lucidum" in a film camera?

30 votes

How did my negatives end up upside down and backwards?

28 votes

How can I make a grave-side photo which will not fade?

26 votes
Accepted

Why is CMYK more efficient/beneficial than RGB for performing printing operation on white paper?

24 votes
Accepted

Has anybody ever taken an analog photo of a negative to turn it into a positive?

24 votes

What are these clusters of branching structures on/in my lens?

22 votes

What is this dial on my old film camera for?

21 votes

What should I look for in a respirator for chemical processing of photographic materials

21 votes

50mm mirror lens. Does one exist?

21 votes

Do convex lenses make parallel light rays of different wavelength converge to different points?

20 votes

How to Destroy Slides

17 votes

Why is infrared light's focus point different from that of visible light?

16 votes
Accepted

What causes these lines / scratches to appear on my developed film?

16 votes

Why must unexposed and undeveloped film be handled in total darkness?

16 votes
Accepted

Why does wider aperture make snowflakes look bigger?

15 votes

Can 35 mm film which went through a washing machine still be developed?

15 votes
Accepted

What do these curved, color-coded lines mean on a vintage Nikkor lens?

14 votes

How do manufacturers get to high (83x) zoom levels on hybrid cameras?

14 votes

Why can I see through this astronaut on the Apollo 11 footage?

14 votes

Are lens hoods a must?

13 votes
Accepted

Is this lightning image a natural phenomena or a digital camera artifact?

1
2 3 4 5
42