User Ralf Kleberhoff

33 votes

Can you "open" RAW camera files?

answered Sep 25, 2023 at 9:04

11 votes

How can I reproduce a myopic effect on a picture?

answered Nov 21, 2022 at 11:03

5 votes

Is a diopter recommended for a 56mm lens?

answered Jan 18, 2023 at 16:16

5 votes

Some of my images come out with a black mark in the centre

answered Mar 17, 2022 at 10:46

5 votes

Accepted

FOV on an APS-C and Full frame 'lens'

answered Jun 22, 2022 at 9:38

4 votes

Tamron lens causing errors at extreme focal lengths

answered Oct 11, 2021 at 13:03

3 votes

Accepted

Is DOF in macro dependent on lens setup?

answered Jan 28, 2021 at 20:51

3 votes

How does subject distance get calculated if you shoot using a mirror?

answered Jul 4, 2022 at 8:38

3 votes

What options do I have to scan negatives if my scanner is not backlit?

answered Jan 16, 2023 at 9:42

3 votes

Is it possible that sunlight reflecting off a camera lens could cause sufficient glare to dazzle a driver?

answered Sep 1, 2023 at 7:03

3 votes

Accepted

Does the crop factor effect the aperture value as well?

answered Aug 13 at 7:28

2 votes

Why do telephoto lenses have long focal length?

answered Nov 24, 2023 at 12:00

2 votes

What causes these squiggly lines in my photos and on my sensor?

answered May 5, 2022 at 9:05

2 votes

How do I tell if my camera has film in it?

answered May 19, 2023 at 9:52

2 votes

Do photographic lens show virtual image if the subject distance is less than focal length?

answered Sep 29, 2022 at 10:04

2 votes

Accepted

Why is far depth of field larger than near?

answered Dec 12, 2018 at 20:20

2 votes

Geocoordinate calculation for aerial oblique image using camera and plane yaw, pitch, roll, and position data

answered May 4, 2021 at 10:28

2 votes

Comparing the amount of light on different sized sensors

answered Aug 28, 2021 at 20:00

2 votes

Does the focal length on cropped lenses include a crop factor?

answered Jan 11, 2022 at 15:30

2 votes

Avoiding blurry edges with slide duplicator + macro lens

answered Jan 25, 2022 at 11:49

2 votes

Is it possible to determine from only a photo of a cityscape whether it was taken close with wide angle or from a distance with zoom?

answered Jan 25, 2022 at 13:37

1 vote

Should I use rounded or exact f-stop values for a depth of field calculator?

answered Dec 1, 2021 at 13:24

1 vote

Accepted

How do I calculate f/stop change for teleconverter that increases lens magnification?

answered Jul 15, 2021 at 11:40

1 vote

I accidentally dropped my kodak m35 camera and the film count reset to S again

answered Aug 3, 2021 at 9:34

1 vote

Vintage lenses and teleconverter. Vintage TC native to lens or adapt lens to modern TC?

answered Oct 2, 2020 at 13:19

1 vote

Photo Competition 2022-03-14: Freezing or Melting

answered Mar 17, 2022 at 13:41

1 vote

Can I mount a EF-M lens onto a C/CS-mount camera?

answered Feb 17, 2023 at 11:57

1 vote

Does shake reduction take focusing distance into account?

answered Jul 11, 2023 at 7:15

1 vote

Accepted

Is it possible to determine elevation angles from a photograph?

answered Jul 31, 2023 at 9:56

1 vote

Accepted

Focal length reducer on FF camera (24mm F2)

answered Aug 11, 2023 at 8:16

Stack Exchange Network

42 Answers

Can you "open" RAW camera files?

How can I reproduce a myopic effect on a picture?

Is a diopter recommended for a 56mm lens?

Some of my images come out with a black mark in the centre

FOV on an APS-C and Full frame 'lens'

Tamron lens causing errors at extreme focal lengths

Is DOF in macro dependent on lens setup?

How does subject distance get calculated if you shoot using a mirror?

What options do I have to scan negatives if my scanner is not backlit?

Is it possible that sunlight reflecting off a camera lens could cause sufficient glare to dazzle a driver?

Does the crop factor effect the aperture value as well?

Why do telephoto lenses have long focal length?

What causes these squiggly lines in my photos and on my sensor?

How do I tell if my camera has film in it?

Do photographic lens show virtual image if the subject distance is less than focal length?

Why is far depth of field larger than near?

Geocoordinate calculation for aerial oblique image using camera and plane yaw, pitch, roll, and position data

Comparing the amount of light on different sized sensors

Does the focal length on cropped lenses include a crop factor?

Avoiding blurry edges with slide duplicator + macro lens

Is it possible to determine from only a photo of a cityscape whether it was taken close with wide angle or from a distance with zoom?

Should I use rounded or exact f-stop values for a depth of field calculator?

How do I calculate f/stop change for teleconverter that increases lens magnification?

I accidentally dropped my kodak m35 camera and the film count reset to S again

Vintage lenses and teleconverter. Vintage TC native to lens or adapt lens to modern TC?

Photo Competition 2022-03-14: Freezing or Melting

Can I mount a EF-M lens onto a C/CS-mount camera?

Does shake reduction take focusing distance into account?

Is it possible to determine elevation angles from a photograph?

Focal length reducer on FF camera (24mm F2)