How to focus the viewfinder on a Nikon D40X Digital Camera?
- FFrances TaylorAug 14, 2025
If the viewfinder is out of focus, adjust the viewfinder focus or use optional diopter adjustment lenses.

How to focus the viewfinder on a Nikon D40X Digital Camera?
If the viewfinder is out of focus, adjust the viewfinder focus or use optional diopter adjustment lenses.
Why is the full range of shutter speeds not available on my Nikon D40X Digital Camera?
The full range of shutter speeds may not be available if the flash is in use.
What to do if the subject is too dark with my Nikon D40X?
If your subject appears too dark, try these solutions: * Increase the ISO sensitivity. * Use the flash. * Decrease the shutter speed. * Choose a larger aperture (smaller f/-number).
How to fix a photo that is too bright on my Nikon D40X Digital Camera?
If your subject appears too bright, consider the following adjustments: * Choose a lower ISO sensitivity. * Increase the shutter speed. * Select a smaller aperture (larger f/-number). * Use an optional Neutral Density (ND) filter.
How to remove noise from photos taken with Nikon D40X Digital Camera?
If you notice randomly-spaced bright pixels (“noise”) in your photographs, try the following: * Lower the ISO sensitivity or use noise reduction. * If the shutter speed is slower than 8s, use noise reduction.
How to keep the display on longer on my Nikon D40X?
If the displays turn off unexpectedly, try choosing a longer auto off delay.
Why can't I change the image size on my Nikon D40X?
If you cannot change the image size, it may be because the image quality is set to RAW or RAW+B.
Why can't I measure the white balance on my Nikon D40X?
You may not be able to measure white balance if the subject is too dark or too bright.
Why can't I select an image as a source for preset white balance on my Nikon Digital Camera?
You may not be able to select an image as a source for preset white balance if the image was not created with D40x.
| Camera Type | Digital SLR |
|---|---|
| Sensor Resolution | 10.2 megapixels |
| Sensor Type | CCD |
| Sensor Size | 23.6 x 15.8 mm |
| ISO Sensitivity | 100-1600 (expandable to 3200) |
| Lens Mount | Nikon F mount |
| Continuous Shooting Speed | 3 fps |
| LCD Screen Size | 2.5 inches |
| LCD Resolution | 230, 000 dots |
| Viewfinder Type | Optical pentamirror |
| Battery Type | EN-EL9 Lithium-ion battery |
| Dimensions | 126 x 94 x 64 mm |
| Shutter Speed | 30-1/4000 sec |
| Storage Media | SD/SDHC |
| Weight | 495 g (body only) |
Overview of camera controls, displays, and basic functions.
Essential initial setup procedures for using the camera.
Guide to automatic shooting for beginners.
Explains scene modes for artistic control.
Viewing, zooming, and deleting captured images.
Advanced shooting methods and settings.
Options for reviewing, protecting, and deleting images.
Methods for transferring and printing photos.
General navigation of the camera's menu system.
Settings for image capture and quality.
Personalizing camera functions and behavior.
Core camera configuration options.
In-camera editing features.
Information on compatible camera accessories.
Maintenance, cleaning, and storage guidelines.
Critical safety warnings for handling.
Solutions for common camera problems.
Supplementary technical details and tables.