Nikon AF Nikkor 20mm f/2.8D User's Manual

Nikon AF Nikkor 20mm f/2.8D manual cover
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Nikon AF Nikkor 20mm f/2.8D Specification

The Nikon AF Nikkor 20mm f/2.8D is a compact and lightweight wide-angle lens designed for Nikon's FX-format DSLRs, offering a versatile focal length suitable for landscape, architecture, and interior photography. It features a maximum aperture of f/2.8, which facilitates excellent low-light performance and depth-of-field control, while its optical construction includes 12 elements in 9 groups, ensuring sharp and high-contrast images. With Nikon's Super Integrated Coating, the lens effectively reduces flare and ghosting, enhancing color accuracy and image clarity.

The lens employs a Close-Range Correction (CRC) system, which ensures high performance at both near and far focusing distances. Its autofocus capability is driven by a screw-drive motor within the camera body, which may impact performance on entry-level models lacking a built-in motor. Despite this, manual focus override is available for precise adjustments.

The lens has a minimum focusing distance of 0.25 meters, allowing for creative composition options. It supports a 62mm filter thread, providing compatibility with a wide range of filters and accessories. Measuring approximately 42.5mm in length and weighing around 270 grams, it is portable and easy to handle, making it an ideal choice for photographers on the move.

The build quality of the Nikon AF Nikkor 20mm f/2.8D is robust, suitable for demanding environments, yet it does not feature weather sealing. As a classic wide-angle lens, it offers a field of view of 94 degrees on full-frame cameras, delivering expansive vistas with minimal distortion. Overall, this lens is celebrated for its sharpness, compactness, and versatile performance, making it a valuable addition to any photographer’s gear collection.

Nikon AF Nikkor 20mm f/2.8D F.A.Q.

How do I attach the Nikon AF Nikkor 20mm f/2.8D lens to my camera?

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.

What is the best way to clean the Nikon AF Nikkor 20mm f/2.8D lens?

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.

Can I use filters with the Nikon AF Nikkor 20mm f/2.8D lens?

Yes, the lens supports 62mm screw-on filters. Ensure the filter is clean and properly mounted to avoid vignetting.

How can I troubleshoot autofocus issues with the Nikon AF Nikkor 20mm f/2.8D lens?

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.

What is the minimum focusing distance of the Nikon AF Nikkor 20mm f/2.8D lens?

The minimum focusing distance is 0.25 meters (approximately 0.8 feet), which allows for capturing close-up shots with wide-angle perspective.

Is the Nikon AF Nikkor 20mm f/2.8D lens compatible with DX-format cameras?

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.

How do I manually focus the Nikon AF Nikkor 20mm f/2.8D lens?

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.

What should I do if the aperture blades are sticking on the Nikon AF Nikkor 20mm f/2.8D lens?

If the aperture blades are sticking, it may require professional cleaning or repair. Contact Nikon support or a certified technician for assistance.

Can I achieve good bokeh with the Nikon AF Nikkor 20mm f/2.8D lens?

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.

How do I update the firmware for the Nikon AF Nikkor 20mm f/2.8D lens?

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.