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18 votes
Accepted

How can I run a Nikon DSLR from AC power?

You can run the camera directly off AC power with two pieces of gear. You need a camera-specific "dongle" that basically fakes being the battery in the battery compartment. This then connects to the ...
inkista's user avatar
  • 52.2k
9 votes

Why is there no way to set the aperture with an Albinar 500/8 lens on my D3100?

Has anyone had this problem with the Albinar lens? There are two versions of the Albinar 500mm f8. One is a fixed aperture mirror lens and one is a variable aperture "Preset" lens. Which version do ...
Mike Sowsun's user avatar
  • 12.3k
8 votes

what is the problem with this photo and how can i fix it?

Unfortunately, that photo is much too far gone for any software to be able to clean it up. One of the big advantages of digital over film is the ability to instantly review photos - get in the habit ...
Philip Kendall's user avatar
6 votes

Dull images on Nikon D3100

The primary problem here is simply one of exposure. The camera's metering system is not really smart — it doesn't know the difference between a white blanket that's dimly lit and a gray blanket that's ...
mattdm's user avatar
  • 143k
4 votes

Why is there no way to set the aperture with an Albinar 500/8 lens on my D3100?

Because the 500mm F/8 mirror lens from Samyang/ Rokinon/ Bower/ Walimex/ Falcon/ Albinar/ Opteka/ Quantaray/ Bell & Howell/ whatever else they're calling it this week is a fixed aperture lens, as ...
Michael C's user avatar
  • 175k
4 votes

Having trouble figuring out what lens will fit my Nikon D3100

Yes, it will fit, but AF won't work (all D lenses rely on an AF motor in the camera body and the D3100 doesn't have one), so if you buy it, you'll only able to use it as a manual focus lens.
K. Minkov's user avatar
  • 2,055
4 votes

Appropriate settings for a passport photo using a Nikon D3100?

The main requirements for a passport photo, in terms of photographic qualities, are that your face be evenly lit (no shadows) and that your whole face be in focus. For even lighting, assuming you don'...
chulster's user avatar
  • 659
4 votes

Nikon D3100 converted to Infrared only takes red pictures

If the camera was modified to pass mostly IR light, then this is normal. You need to convert the images to monochrome. Take a picture of foliage outside. Then desaturate completely. If the foliage ...
Mattman944's user avatar
  • 1,234
3 votes

My Nikon d3100 is corrupting files

What you see are likely JPEG thumbnails that are embedded in the NEF file. They display fine if the first kilobytes of the file are readable, but that doesn't mean the rest of the file isn't corrupt. ...
xenoid's user avatar
  • 21.4k
3 votes

"Lens not attached" error with Sigma lens on Nikon D3100

In addition to the problems Kat notes (incompatible firmware or poor electronic contact), it's possible the lens has been damaged. Many lenses have ribbons that connect moving components. Lenses with ...
xiota's user avatar
  • 27k
3 votes

what is the problem with this photo and how can i fix it?

Assuming you wanted a crisp picture of the flower, there are two basic problems: Out of focus. That really should be obvious. Very grainy. If this is from film, then you are blowing up a tiny area ...
Olin Lathrop's user avatar
  • 17.4k
2 votes

Autofocus not working on AF-S 35mm 1.8 DX with Nikon D3100

It might sound silly but have you checked the button on the side of the lens? I thought mine wasn't working until I noticed I had set it to manual.
JudeR's user avatar
  • 21
2 votes
Accepted

Would a Vivitar 2800 flash work on a Nikon D3100?

From the D3100 user manual, page 172: ... Negative voltages or voltages over 250 V applied to the accessory shoe could not only prevent operation, but damage the sync circuitry of the camera or ...
inkista's user avatar
  • 52.2k
2 votes

"Lens not attached" error with Sigma lens on Nikon D3100

The error message you are seeing suggests there is a problem with the connection between the camera and lens. If you have recently updated the camera's firmware: This could explain why the lens has ...
Kat's user avatar
  • 446
2 votes

Stuck shutter does not go fully down - Nikon D3100

It seems your shutter is wearing out. The line at the top of the frame indicates that the first curtain is never fully opening at the bottom of the sensor. (The image is inverted inside the camera - ...
Michael C's user avatar
  • 175k
2 votes

Appropriate settings for a passport photo using a Nikon D3100?

I have always been very displeased with passport photos as I could never see my facial expression when taken in a studio A passport photo is not a portrait. It's a formal image taken to facilitate ...
StephenG - Help Ukraine's user avatar
2 votes

My Nikon d3100 is corrupting files

If it happens with several cards that work fine in other devices, then it is almost certainly the camera. Yo may not have to buy a new camera though, I had the same problem some years ago. The ...
Orbit's user avatar
  • 1,530
2 votes

Dull images on Nikon D3100

I’ve been playing with settings and not had much luck. My recommendations: Stop playing with the settings and understand them. Stop relying on luck and control the outcome. :o) Do not wait until ...
Rafael's user avatar
  • 24.9k
2 votes

I can't change shutter speed

This sounds like a hardware issue, it's likely that the shutter wheel is damaged. If you have recently purchased the item, I'd recommend requesting a refund. I would not recommend attempting to repair ...
Sneaky Puffin's user avatar
1 vote

Nikon D3100 error state - says Flash required and will not focus

please check if you have accidentally switched the focus mode to MF, both in the i menu and on the lens itself. That could cause the AF disengagement. Also, if you/(someone else who uses the camera) ...
Chandradhar Koneti's user avatar
1 vote

Black line/stripe on my camera

That result is characteristic of using a shutter speed that is too fast with flash, and manual mode will allow you to do this. The flash sync speed for the D3100 is 1/200 and no faster. If the flash ...
Steven Kersting's user avatar
1 vote

Nikon D3100 converted to Infrared only takes red pictures

A normal color balance will produce red/pink images. Perfectly fine. Easiest fix? Get a white sheet of paper outside, hold it up, take a photo. Then use that as the 'custom white balance' (I don't ...
J.Hirsch's user avatar
  • 1,057
1 vote

Dull images on Nikon D3100

Your photo is dull because the light illuminating the scene is dull. That is, there is not much contrast in the scene. As mattdm has said, left to its own devices your camera will meter the scene ...
Michael C's user avatar
  • 175k
1 vote
Accepted

D3100 and external speedlite (SB-700) + compatibility

What I'm looking for is the following: I want to use the flash externally and remotely by triggering it (TTL) with an some sort of cheap trigger that can trigger the flash with automatic values (i ...
inkista's user avatar
  • 52.2k
1 vote

Nikon D3100 unusable after update

Pull the battery. Put the battery in a charger to make sure it's fully charged. With the battery out of the camera, press and hold the 'on' button for 20 or 30 seconds. Make sure there is a working ...
BobT's user avatar
  • 6,744
1 vote

What external flash for a Nikon D3100?

I've been considering buying a Yongnuo external flash for a Nikon D3100, but I'm a bit confused. Which of them will work with my camera, the Yn565-ex or the Yn568ex Speedlite? As long as you get the ...
inkista's user avatar
  • 52.2k
1 vote
Accepted

What external flash for a Nikon D3100?

Both will work fine if they are the model for Nikon cameras. Should say "for Nikon", and NOT for Canon, etc. A difference in those two models are that the YN-568EX supports HSS, which the D3100 does ...
WayneF's user avatar
  • 12.9k
1 vote

Why does my Nikon D3100 not fire the shutter in autofocus mode?

I had this problem and I believe it is because of being too close to my subject for the lens I had on and so the camera was unable to autofocus. Even if I tried to focus manually, I was too close to ...
David's user avatar
  • 21
1 vote

Are there solutions to limitations on using back-button AF on Nikon D3100?

To prevent the camera from taking an unwanted out of focus shot, Nikon only allows to shoot in AF-S with back-button-focus, if you still have the AF-ON button pressed after you acquired focus with it. ...
VisorZ's user avatar
  • 111
1 vote

Autofocus not working on AF-S 35mm 1.8 DX with Nikon D3100

Do you hear any sound while you try to focus (the noise of focus motor)? If not, you'll need to send it to an authorized service center. If you hear the sound and the lens is still not focusing, the ...
Prashanth Benny's user avatar

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