18

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 other part you need, which is the AC-to-DC adapter. For the D3100, you need the Nikon EP-5A power supply connector and the Nikon EH-5b AC adapter. According ...


9

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 you have? They are both actually made by Samyang and also sold under many other names. (Opteka, Bower, Kalimar, Phoenix, Rokinon, Quantaray, Vivitar, Bell &...


8

Using the dpReview lens widget it appears the AF-S DX Nikkor 18-55mm f/3.5-5.6G VR is sharpest at f/8 for most focal lengths. There are some points in the zoom range that center sharpness is better at f/5.6 but usually at a much greater expense to edge sharpness. At DxO Mark, the results for the AF-S DX Nikkor 18-55mm f/3.5-5.6G VR are similar to those at ...


8

Unfortunately not, as this lens does not have a built-in AF motor, and neither do the D3X00 or D5X00 camera families from Nikon. Your camera will only have autofocus with Nikon lenses marked AF-S, or compatible lenses from other makers that include built-in focusing motors.


8

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 of using it.


7

Most tethering softwares that list support for Nikon cameras do not include the D3xxx series. Most of the Dx, Dxx, and some of the D7xxx and D5xxx bodies are at least partially supported. The D3100's firmware or hardware may limit this capability. If all you want to do is view the output of your camera without controlling it, you just need to connect it to ...


7

If the issues with your current setup are low constrast and looking washed out, then a new lens isn't going to help. A polarizer will help in some cases when there is some blue sky in the picture or a rainbow, but otherwise it won't make much difference either. What will matter is post processing. Clouds are all quite bright, even the "dark" ones. The ...


6

Is Autofocus working at all? Obvious question first. Is the lens attempting to focus at all? If you switch the lens to manual focus, move the focus to infinity (or to closest focus), then switch back to autofocus and point at something and half-press, does the lens attempt to focus? Need to know if it's "hunting", or just not moving at all. Autofocus ...


6

You have almost certainly set a monochrome "picture control". This is probably showing as an "MC" towards the lower-right of the LCD - if it is, adjust this back to SD ("standard"). (That's for a camera running in English; if you're in a different language, the abbreviations may be different, but the principle remains the same).


6

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 brightly lit. It just assumes that everything is somewhere in the middle. Your scene contains a lot of white. This fools the camera's assumption about the ...


5

I would say don't bother. It won't appear on your photographs and will only bother you if you focus on it (pardon the pun). if it is really bad then give it a puff with a rocket blower, if that fails then send it to a proper repair shop otherwise I feel you're in danger of causing damage.


5

Most SLR's have removable/replaceable focusing screens, and I gather the D3100 is no exception. There are instructions here for removing and cleaning your focusing screen. Be aware the the screens are usually plastic and quite fragile. On the other hand, if you really screw it up, a new one won't set you back all that much.


5

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.


5

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 faster shutter-speed. You can control the shutter-speed in Shutter-Priority mode or in Manual mode. For the former you will get a metered exposure which will ...


4

You could try digiCamControl. One of its advanced features is Live View via computer display. However, the D3100 may not support that feature. The Nikon SDK allows you to capture Live View images as JPGs. So a program could be written to loop, capture and display those JPGS. Someone has written a C# wrapper for the SDK which gives an example of this (...


4

There are a few things I would try first: If you normally shoot at low ISO, the camera is probably using more noise reduction than it was before. See if there is an option to turn off in-camera NR at lower ISO settings. Normally when updated firmware is installed, all of the camera settings reset to the default values. You may have had in-camera sharpening ...


4

If you are concerned about tampering, you really need the file to be signed cryptographically; Nikon doesn't do that. If your concern is simply that a download might be corrupt (or that your flash card might have an error that corrupts the file), don't worry. The firmware has an internal checksum checked by the camera's firmware updater. (Details for some ...


4

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 the mark. Cross ties work pretty good for locking focus on a point the train is about to be. You also gain the advantage of getting the one shot when the train ...


4

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 are most mirror lenses with a secondary mirror in the middle of the objective. In other words your lens has no adjustable aperture. Just as a prime lens can't ...


4

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.


4

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't have studio lights, taking the photo outside, in the shadow of a building, in the daytime works well, as does taking it in a room with bare white walls and ...


4

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 is very white giving the image a surreal look, then the filter is working properly. There are also IR camera modifications that leave more visible light, if you ...


3

If you only need standard definition output, cheap capture cards can be readily had for under $50 including a double RCA cable and a jack to RCA converter. An HDMI-based solution will be obviously more expensive, but they're almost equally available on the market.


3

In case it matters, a few sources I've seen say to check the AF sensor under the mirror for dust obscuring the AF sensor from getting a focus lock and keeping the camera from actuating the shutter.


3

D3100 cannot support the feature that you want to implement, but the new Nikon D3200 has change the image of the D3xxx series. with the help of WU-1a Wireless Mobile Adapter, you can connect it to the DSLR, to automatically send your images to your Smart phone and even use your smartphone to remotely capture images from D3200 and D5200. I'm not sure if it ...


3

i used Digicam Control on my Nikon D3200 and it works ! by the way, it works for Nikon D3100 too. You can see supported camera for Digicam Control here


3

If the camera is still under warranty, your best bet is to send it in regardless of if the repair itself is covered or not, since fixing it yourself is likely to void the warranty. It sounds like the latch is probably stuck or perhaps the button simply isn't actuating it. They'll probably have to take the body apart to access the mechanism from behind.


3

Please see the charts here. The sharpest aperture depends on the focal length. As you can see, at 18mm, the center is barely sharper at f/5.6. At 35mm and longer, it is sharper at f/8. The differences in jpegs posted to the web or in prints at 8x10" or smaller is unlikely to be perceptible. The advice above, if in doubt, use f/8, is sound. I would add a ...


3

Nikkor 55-200 has minimum focus distance 1.1 meter (found here). So if object is really close, it won't focus. And if your Nikkor 70-300 is this one: Nikkor AF 70-300mm f/4-5.6 D ED (do you?), it won't focus at all on D3100. That lens doesn't have internal AF motor and D3100 also doesn't have focusing motor. With your D3100 you need lenses which have ...


3

Not just in snow, but in general, in cold, battery runs out much faster. If it is not snowing, you are okay. However, your kit lens is not water sealed, so you must protect it from snow similarly to protecting from rain. I do not think that would be necessary. However, check the specs of your battery. (Minimum operational temperature, minimum storage ...


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