Nikon AF Nikkor 20mm f/2.8D User's Manual
![Nikon AF Nikkor 20mm f/2.8D manual cover](/images/d981bd447a6bb8c7a981f4dd/thumbs/thumb175x175.webp)
To attach the lens, align the mounting index on the lens with the mounting index on the camera body, then gently rotate the lens clockwise until it clicks into place.
Use a blower to remove dust, then gently clean the lens surface with a microfiber cloth and lens cleaning solution. Avoid touching the glass with your fingers.
Yes, the lens supports 62mm screw-on filters. Ensure the filter is clean and properly mounted to avoid vignetting.
Ensure the lens is fully seated on the camera, clean the lens contacts, and confirm that the camera is set to autofocus mode. If issues persist, try resetting the camera's settings.
The minimum focusing distance is 0.25 meters (approximately 0.8 feet), which allows for capturing close-up shots with wide-angle perspective.
Yes, it is compatible with DX-format cameras, but the effective field of view will be equivalent to a 30mm lens due to the crop factor.
Switch the camera to manual focus mode and rotate the focus ring on the lens barrel until the subject appears sharp in the viewfinder or on the screen.
If the aperture blades are sticking, it may require professional cleaning or repair. Contact Nikon support or a certified technician for assistance.
While the lens has a moderate maximum aperture of f/2.8, achieving strong bokeh can be challenging due to its wide-angle design. However, you can still achieve some background separation by focusing closely on the subject.
The Nikon AF Nikkor 20mm f/2.8D lens does not have firmware that can be updated, as it is an older, mechanically-focused lens.