Moonrise & Aurora

Moonrise & Aurora

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mattdm

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bio website mattdm.org
location Somerville, MA
age 38
visits member for 2 years, 6 months
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I work for Red Hat on the Fedora Linux distribution. Before that, I was a sysadmin in the Academic Computing group at Harvard School of Engineering and Applied Sciences. Photography is a hobby, and my main goal is simply documentation of my family life.

If you're a Pentax user, you may be interested in my definitive guide to Pentax hot shoe flashes and compatible 3rd-party options.

The Exposure Tricycle

(Huh, what? See What is the "Exposure Triangle?".)


669 Answers

newest activity votes
112
What is the “exposure triangle”?
56
What is “angle of view” in photography?
55
What historic reasons are there for common aspect ratios?
42
What are common beginner mistakes in photography?
40
Is there development in the world of lenses?
40
Are there disadvantages to a prosumer camera for a beginner, aside from cost?
39
What are the key photography-related features from Photoshop that are missing in GIMP?
37
How much do lens lineups vary across DSLR platforms?
35
How do I calibrate the diopter correction on my DSLR's viewfinder?
29
How do I convert lens mm to optical zoom times?
29
Is it physically possible to build a long zoom (17-300 mm for example) at an aperture value of around 1.4 or 1.2?
28
If I swallowed my SD Card would it be readable when it emerged?
28
What is the 'Diagonal Method' and should I use it instead of 'The Rule of Thirds?'
28
What does it mean for a photograph to be “high key”?
27
What does the term “sneaker zoom” mean?
27
What is the “Rule of Thirds”?
26
I know the basic technical stuff, what now?
26
What's the result of stacking ND filters?
26
Why don't today's lenses come with a polarizer by default?
25
Can I leave the batteries in my camera?
23
How can I take a photo with everything in focus with my DSLR?
23
What characteristics make a good lens good?
23
Is it practical to shoot portraits by only candlelight?
23
How do color spaces like sRGB and Adobe RGB overlap?
22
Why can't my SLR autofocus on certain parts of a scene?
22
Without modification, is the built-in pop-up flash EVER appropriate?
22
How do you pronounce “bokeh”?
21
DSLRs with separate controls for aperture and shutter?
20
Does crop factor still apply to a vintage film SLR lens?
20
Why do my images get distorted on my Nikon DSLR?
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