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3 votes
1 answer
270 views

Is the noise coming from fast aperture ring adjustments of Sigma 100-400m lens on Sony A6500 expected?

I recently got a Sigma 100-400mm for my Sony A6500 and love it so far. But I noticed that the aperture ring makes noticeable noise on power ON and power OFF. See Google Photos album of two videos ...
radj's user avatar
  • 155
1 vote
2 answers
3k views

Why doesn't the aperture change on a Nikon AF 50mm ƒ/1.8D lens? [duplicate]

I am facing problem with a Nikon AF 50mm ƒ/1.8 lens which is attached to a Nikon D7100. Although I can change the aperture from the camera (in M mode) it seems that it is not changing in photos. What ...
jockler's user avatar
  • 21
2 votes
1 answer
719 views

What should I do when my D3400 aperture is stuck no matter what lens I use?

I have a D3400 and recently I haven't been able to change the aperture on any of my lenses in manual mode. I have lenses with aperture rings and if I set the aperture to anything below the largest ...
Elvis Ma's user avatar
0 votes
3 answers
307 views

Why does my autofocus sometimes set the aperture, after the lens was in the rain for several minutes?

I'm using a Canon EOS 60D with a Canon 40mm f/2.8 STM. I bought both used about a week ago. I've had no problems except for one: sometimes the autofocus only jumps between two apertures, and the ...
gloriousCatnip's user avatar
0 votes
1 answer
351 views

Why is my Mamiya-Sekor E f/1.7 lens stuck at f/16 both on and off the camera?

I recently bought a Mamiya ZE Quartz with a Mamiya-Sekor E f/1.7 50mm lens that I recently found at an antique store. It's either been abused or been used a lot, but it's seen better days. For some ...
user64087's user avatar
1 vote
2 answers
1k views

The command dial on my my Nikon 5100 suddenly stopped working — what can I do?

It was working fine. Just suddenly can't adjust the aperture or the f stop using the adjustment wheel while in M or A mode. In fact, the adjustment wheel doesn't work for any purpose. Basically the ...
Jeanna Wardell's user avatar
0 votes
3 answers
12k views

Why do I get the "Press Shutter Release Button Again" error when my D3200 isn't set to max. aperture?

I know there are quite a few posts out there about the famous "Press Shutter Release Button Again" error. But mine seems to be quite weird. I own a Nikon D3200 with the standard 18-55 mm lens. It ...
TheUnriashol's user avatar
0 votes
3 answers
209 views

ANDCamera problem: brightness malfunctioning [duplicate]

I am a newbie photographer and had a question that has been plaguing me for some time now. My NIKON D3100 camera's brightness meter (the lines that change on manual mode when one adjusts shutter ...
Jaya Alagar's user avatar
3 votes
1 answer
2k views

Why do my photos appear grainy when taken at the widest aperture?

I have a Nikon d5000 and just purchased a Tokina 11-16 lens. I was taking picture of a dog 1-2 meters away during winter at mid day today. Using the aperture priority setting, I set the camera to ISO ...
khon's user avatar
  • 31
1 vote
4 answers
13k views

What causes an f/0 error on a Nikon D700?

Recently (and always at the worst possible time) my camera will either freeze and give me an f/0 error code or will shoot with a strange click that sounds like the shutter is getting stuck. The ...
Rob Clement's user avatar
  • 3,097
-2 votes
1 answer
1k views

Why are some original files unavailable for export from Aperture?

I started using Aperture a year ago. I never spent any time watching Lynda.com or anything else, I just thought I figured the darn thing out, as far as downloading images. I plug my phone or Canon ...
Mark's user avatar
  • 101
3 votes
1 answer
730 views

Why is there a subtle shadow glow around the subject with large aperture?

I've noticed that in a number of photos I've taken with a small depth of field due to wide aperture and a fairly close subject, I get a rather pleasing but not entirely explicable diffuse shadow ...
Seth Johnson's user avatar