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uhoh
  • Member for 6 years, 4 months
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  • Taipei, Earth
16 votes
4 answers
5k views

Why are the star trails in Richard Angle's photos of a SpaceX launch and landing so non-uniform?

9 votes
1 answer
556 views

What is the crank on the side of this lens used by David Douglas Duncan?

8 votes
1 answer
1k views

How to estimate pixels per degree for an image from a camera phone using EXIF data?

6 votes
2 answers
671 views

LIDAR burnout; ways to check for damaging infrared lasers before shooting besides looking for posted warnings?

5 votes
2 answers
461 views

Are there industry standards or specs for image sensor resistance to damage from intense light?

5 votes
2 answers
1k views

Does changing the ISO of a modern digital camera really change the gain of an electronic amplifier?

5 votes
1 answer
2k views

What kind of equipment or other technology is necessary to photograph "sprites" (the atmospheric phenomenon)?

5 votes
1 answer
208 views

Astrophotography in the age of Starlink; can "not a single image be taken that is not stricken" by a Starlink satellite?

4 votes
4 answers
667 views

Why exactly do "CMOS astrophotographers" prefer CMOS sensors?

3 votes
1 answer
361 views

A more "professional" contrast curve than y = a*x + b?

3 votes
1 answer
836 views

Did nitrate film stock provide different/better B&W and color projection quality?

2 votes
2 answers
207 views

Approximating raw image data from app-less iPhone6 by reverse processing using meta data?

2 votes
1 answer
177 views

Is there a way to produce this "little planet"-type self portrait in a single-exposure?

2 votes
4 answers
1k views

Milky Way with a cell phone, how is this possible?

1 vote
2 answers
492 views

Is this photo a correct example of how a reflector can be used for fill?

1 vote
3 answers
108 views

I miss my Pentax Spot-o-Matic but must choose a camera for amateur nature photography; get a new iPhone or an actual camera?

1 vote
3 answers
215 views

Reflected Earth is 1/3 the size of primary Earth in Apollo footage through spacecraft window; why?

1 vote
1 answer
222 views

How (the heck) did NASA photographer Joel Kowsky take this amazing photograph of the International Space Station transiting the Sun?

0 votes
1 answer
153 views

Is this color-correction explanation of images from a lunar lander gobbledegook?