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 ...
  • 49.9k
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 ...
  • 11.6k
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 ...
  • 20.1k
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 ...
  • 141k
5 votes
Accepted

Blurry Pictures with Nikon D3100 18-55mm lens

What you are seeing is called motion blur. Simply stated, it is blur caused by motion during exposure. Horses obviously move and their legs will show even more motion. The solution to this is to use a ...
  • 101k
5 votes
Accepted

Nikon D3100 taking black images. Stuck shutter?

As you have watched the shutter getting stuck, it seems fair to assume this is indeed a stuck shutter. Take it to a Nikon authorised repair shop: not something you want to tackle yourself really.
4 votes
Accepted

How should I handle auto focus on a moving train

When the light gets dim enough there comes a time when you have to give up shooting sequences of fast moving objects coming towards you and instead pre-focus on a spot and wait for the subject to hit ...
  • 170k
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 ...
  • 170k
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.
  • 2,024
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'...
  • 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 ...
  • 1,167
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 ...
  • 17.1k
3 votes
Accepted

Why did I get noise from a high ISO setting when using a Nikon SB700 flash?

My assumption is that your situation is explained if you are using camera Auto mode. Your desire for low ISO will need to turn Auto ISO off with flash. However, if you are in camera Auto mode, you ...
  • 12.6k
3 votes
Accepted

Crop Factor: Can a full-frame Nikon Camera be set to use a DX lens, with no crop-factor?

On a full-frame (FX) Nikon camera, you can turn the Auto DX crop setting to Off and this will keep the camera from cropping the image. It's not a pseudo-crop, btw, it's actually cropping--that is, all ...
  • 49.9k
3 votes

Unable to change shutter speed, ISO, or aperture on Nikon D3100 in any mode

Maybe a stupid question, but are you in manual mode? Have you tried resetting all settings to their original value? This is how you do it (From the Nikon website): Resetting the D3100 The D3200 and ...
  • 31
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 ...
  • 26.6k
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. ...
  • 17.7k
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 ...
  • 49.9k
2 votes

Is there a way to replicate Nikon D3100 live view on my laptop screen?

I use my d3100 with a HDMI monitor to record videos and take pictures all the time. Not sure about what the user manual says about it, but works well for me (tip: live view turns off after 30 seconds ...
2 votes

My Nikon D3100 says no lens attached when I use a T-Mount with it

The reason your camera is saying there is no lens attached is because the T-mount does not allow any communication between the camera and lens. To use those lenses you must have your D3100 in both ...
  • 170k
2 votes
Accepted

How can I properly take advantage of this equipment?

Correct me if im wrong, but the box looks as it has opaque walls. If they were translucent it actually would give you a lot of flexibility. You would have a nice big softbox. But it seems it is not ...
  • 21.5k
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.
  • 21
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 ...
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 - ...
  • 170k
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 ...
  • 436
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 ...
  • 1,492
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 ...
  • 21.5k
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 ...
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 ...
  • 12.6k
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 ...

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