6 votes
Accepted

Nikon D90 mirror stuck

It may be the result of a battery going dead without prior warning. This happened to me using a third party battery pack. In order to fix this replace the battery pack with a charged one (preferably ...
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5 votes

My D90's LCD screen shows a black screen and gives a dark image unless I use a flash

This is not a problem with the LCD screen. The images are under exposed. In easy terms, not enough light is hitting the sensor to 'take' the picture, so it's coming out black. When it's blurred, it'...
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  • 4,806
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 ...
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  • 168k
4 votes

Nikon D90 mirror stuck

Nikons from that era (D40, D50, D60, etc) have a couple of things that are fairly well known to cause the dreaded 'Shutter Error" and/or locked up mirror. The first is that the main drive wheel for ...
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  • 168k
3 votes

What could cause the menu and playback to stop working on a D90?

What could cause the menu and playback to stop working on a D90? The camera is broken. You've already tried pretty much everything that you can as an end user to diagnose or reset the camera. Since ...
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  • 168k
3 votes

Nikon D90 images look fine on camera but when on computer both NEF and JPEG look yellow

This is probably a whitebalance problem. NEF or RAW files don't have a white balance setting yet. They are a recording of the data before any settings such as whitebalance are applied. If you load the ...
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  • 1,472
3 votes

Low light photography using Nikon D90

I get excellent results in good light levels (despite the body being somewhat outdated), but struggle in low light conditions without a flash. "Somewhat outdated" is quite the understatement — this ...
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  • 140k
3 votes
Accepted

Image quality - related to camera or not? Blurry, artificially sharpened images

You took this photo indoors, without a flash, in low light. The camera selected a high(er) ISO then would be desirable especially when "pixel peeping" at 100% on screen. If you would post an image to ...
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  • 45.7k
3 votes
Accepted

Did I make a mistake in choosing a D5300 rather than an older higher-end model?

No, you didn't make a mistake if the camera is meeting your needs. The D90 has an advantage in terms of controls for someone who is more experienced, but the D5300 has an advantage in terms of sensor ...
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  • 34.4k
3 votes

Can I charge the battery inside a Nikon D90 through the camera's USB port?

No, it will not charge the battery. USB Voltage is 5V and the camera battery is ~7.4. They would have had to include a buck boost converter and other circuity in the camera just to allow for USB ...
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2 votes

How do I lock the shutter speed on a Nikon D90?

If a manual shutter speed is changing, then you have Bracketing turned on. Turn bracketing off. Change number of bracketed shots to be zero.
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  • 12.5k
2 votes

Low light photography using Nikon D90

A fast prime, like the 50mm f/1.4 lets in about 8x to 16x the amount of light that your current lens does (f/3.5-5.6). It is not very expensive and what most people use for low light situations. The f/...
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  • 1,472
2 votes
Accepted

Slow Shutter Speed on Aperture Mode

You said "all night", which sounds like it was too dark for your settings. Ways to get a faster shutter speed are: Go into a more bright area with enough light, where automation can do better. ...
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  • 12.5k
2 votes
Accepted

Half press on Nikon D90 triggers shooting

Your shutter button could be defective. If it is, then consider using back button focusing (repurposes the AE-L button as focus). It's a lot cheaper than getting your camera fixed. There are many ...
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  • 2,444
1 vote

My Nikon D90 releases half shutter, how do I fix it?

Option 1: Attempt to disassemble and rebuilt the camera with the parts as is - Depending on whether anything has cracked/split/bent, this may be effectively impossible. It is also very difficult if ...
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  • 2,275
1 vote

Nikon D90 images look fine on camera but when on computer both NEF and JPEG look yellow

The answer is probably simple. Either your computer monitor is uncalibrated or your camera screen is. Here is a really old tutorial I made on how you can manually calibrate your monitor: But ...
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  • 20.7k
1 vote

Nikon D90 light meter broken or not being exposed?

It could be just about anything. Your Nikon D90 has a 420 pixel RGB light meter that is essentially a second, very low resolution image sensor. The chances are pretty high that the connection between ...
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  • 168k
1 vote
Accepted

Why does NEF file get washed out/highlights while my JPG look normal?

When you open a RAW file like the NEF files from your Nikon, the software used will make a "best guess" as to what the colors, contrast and brightness should be. Prety much all apps such as Lightroom,...
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  • 644
1 vote

Why does NEF file get washed out/highlights while my JPG look normal?

Any time you view a "raw" image on any device, one of two things is happenning: The raw data in the file is being processed and interpreted by the application you are using to view the image. That ...
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  • 168k
1 vote

Why can't I adjust exposure on my D90 in aperture-priority mode?

If by exposure you mean exposure compensation look for menu option b2. Easy exposure compensation.
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1 vote
Accepted

Can a firmware upgrade enable a Nikon D90 to use SDXC memory cards?

In principle, a firmware update could improve SDXC compatibility to support video. However, based on historical precedence, it's unlikely to happen. No such update appears to exist as of Sep 2018. See ...
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  • 26.3k
1 vote
Accepted

How can I set the aperture in A mode with a D lens on my Nikon D90?

I'm afraid what you are describing sounds like a physical problem with the camera or lens. There is a metal lever on the back of a D lens that closes the aperture, and it should move freely. It ...
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  • 36
1 vote

Image quality - related to camera or not? Blurry, artificially sharpened images

Your basic issue is that you expect viewing the image at 100% to look just as good as viewing it at more typical sizes. Your D90 has a resolution of 4288 X 2848 pixels. When zoomed in to 100% and ...
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  • 168k
1 vote

How should I handle auto focus on a moving train

If the camera is having trouble focusing, you can use try using manual focus and waiting for the train to come to the correct depth and take the photo at that moment (or take a series of photos near ...
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  • 34.4k
1 vote

Too much "Grain" in photos

You are most probably using Auto ISO. Turn it off, set the ISO to a low level (200), that will handle the pictures being noisy and grainy. You are in aperture priority mode (A), so you will have long ...
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  • 6,107
1 vote

Too much "Grain" in photos

When you say "ISO 200-2000" I assume you are using auto-iso, is that correct? Try using P mode instead of A, and select a 200 or 400 ISO.
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1 vote

Too much "Grain" in photos

Light is made up of particles emitted randomly from a lightsource. If the camera doesn't collect enough light this randomness causes neighboring pixels to be either too light or too dark which is ...
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  • 117k
1 vote

Can I repair a Nikon D90 LCD screen that has moisture in it?

You may have a buildup of moisture inside your camera causing the screen to short out. you could try packing your camera with a desiccant like silica gel packs (those little "do not eat" packs you ...
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1 vote
Accepted

Why flash is not used when I raise the power to 1.3+

I checked my PocketWizard FlexTTL5 and MiniTTL manuals and literally I did not find anything. But when I checked these devices by connecting them to PocketWizard Utility software, there was one ...
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  • 437

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