Nikon Nikkor AI-S 20mm f/3.5 Lens
The Nikon 20mm f/3.5 is a 20mm f/3.5 lens designed for Nikon F mount cameras. Used copies start from $171.73 on GearFocus, with buyer protection on every purchase.
Nikon Nikkor AI-S 20mm f/3.5 Lens
Used Nikon 20mm f/3.5 Listings on GearFocus
Lens Overview — Nikon 20mm f/3.5
Key Features — Nikon 20mm f/3.5
20mm Wide-Angle Prime: Fixed 20mm focal length delivers a broad field of view well-suited for landscapes, architecture, and tight interior spaces.
AI-S Mechanical Coupling: Aperture indexing communicates lens data mechanically to the camera body, enabling full metering compatibility with a wide range of Nikon F-mount film and digital bodies.
Full-Frame Coverage: Image circle covers a 35mm full-frame sensor or film plane, with no crop factor on full-frame Nikon bodies.
Manual Focus Only: Smooth manual focus ring gives photographers precise, deliberate control over focus placement.
Nikon F Mount: Compatible with the extensive range of Nikon F-mount film and DSLR camera bodies spanning several decades.
f/3.5 Maximum Aperture: Moderate maximum aperture provides usable depth-of-field control while keeping the lens compact and lightweight.
Lens Specifications — Nikon 20mm f/3.5
| Spec | Detail |
|---|---|
| Use Cases | Landscape, Architecture, Travel, Street |
| Lens Type | Prime |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 20mm |
| Maximum Aperture | f/3.5 |
| Camera System | DSLR |
| Lens Mount | Nikon F |
| Autofocus | No |
| Focus Type | Manual |
| Image Stabilization | None |
| Filter Thread | 52mm |
Description — Nikon 20mm f/3.5
The Nikon Nikkor AI-S 20mm f/3.5 is a prime lens designed for the Nikon F mount, offering full-frame coverage at a fixed 20mm wide-angle focal length. With a maximum aperture of f/3.5 and manual focus operation, this lens puts full control in the photographer's hands — ideal for those who prefer a deliberate, tactile shooting experience. The AI-S designation provides mechanical aperture coupling with compatible Nikon bodies, supporting accurate metering on a wide range of film and digital cameras.
At just 205 grams, it is a highly portable wide-angle option that won't weigh down your bag. The 52mm filter thread makes it straightforward to attach polarizers, ND filters, and other common accessories without hunting for unusual filter sizes. Image stabilization is not included, which is consistent with this style of manual prime lens design.
For photographers shooting landscapes, architecture, or documentary work who value simplicity and a lightweight kit, the Nikkor AI-S 20mm f/3.5 delivers a wide perspective in a compact form.
Pros — Nikon 20mm f/3.5
- ✓Lightweight at just 205g, making it easy to carry for extended shoots
- ✓Full-frame coverage means it works across the complete Nikon F-mount ecosystem
- ✓Fixed 20mm wide-angle focal length provides a consistent, predictable field of view
Cons — Nikon 20mm f/3.5
- ✗Manual focus only — no autofocus support, which may limit use in fast-paced shooting situations
- ✗Maximum aperture of f/3.5 is relatively modest for a wide-angle prime, limiting low-light performance
- ✗No image stabilization, which can be a drawback in handheld low-light scenarios
Videos — Nikon 20mm f/3.5
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Frequently Asked Questions — Nikon 20mm f/3.5
What camera mount does this lens use?+
The Nikon Nikkor AI-S 20mm f/3.5 uses the Nikon F mount. It is compatible with Nikon F-mount DSLR cameras and various Nikon film bodies that support the AI-S specification.
Does this lens support autofocus?+
No, this lens is manual focus only. Photographers must focus by hand using the focus ring. There is no autofocus motor or electronic focus control.
Will this lens work on a full-frame camera body?+
Yes, the lens is specified as full-frame format, meaning it is designed to cover a full-frame sensor or 35mm film frame without vignetting.
What filter size does this lens accept?+
The lens has a 52mm filter thread, allowing use with standard 52mm screw-in filters such as UV, polarizer, or neutral density filters.
Does the lens have image stabilization?+
No, the Nikon Nikkor AI-S 20mm f/3.5 does not include any image stabilization system. Steady handheld shooting will depend on technique and ambient light conditions.
How heavy is this lens?+
The lens weighs 205 grams, making it a compact and lightweight option that is easy to carry during travel or extended shooting sessions.