Nikon AF 20mm f/2.8D

The Nikon AF 20mm f/2.8D is a wide-angle prime lens (no zoom) designed for Nikon DSLR cameras. It is a lightweight and compact lens mainly used for landscapes, architecture, interiors, and street photography.

Lens Type

• Prime lens (fixed focal length)
• Wide-angle perspective (20mm)
• DSLR compatible (Nikon F-mount)
• Requires autofocus motor in camera body (no built-in motor in lens)

Focal Length & Field of View

• 20mm wide-angle view
• Captures a large scene in one frame
• Great for tight spaces and dramatic perspective shots

Best for:

• Landscapes
• Buildings and architecture
• Travel photography
• Indoor photography

Aperture (Light Control)

• Maximum aperture: f/2.8
• Allows good performance in low light
• Provides some background separation

Benefits:

• Brighter images in dim conditions
• Faster shutter speed in indoor or evening light

Image Quality

• Sharp center performance
• Good color reproduction
• Minimal distortion for wide-angle lens class
• Classic Nikon optical design

Autofocus System

• AF (screw-drive motor system)
• Depends on camera body motor for autofocus
• Can also be used in manual focus mode

Note:

• Autofocus is not silent or ultra-fast like modern lenses

Build & Design

• Compact and lightweight
• Metal lens mount
• Durable classic Nikon D-type construction
• Easy to carry for travel

Key Advantages

• Very wide field of view
• Lightweight and portable
• Good optical quality for landscapes
• Works well for creative wide-angle shots