Lens Summary
Brand: Nikon
Also Known As: Nikon 20mm f/2.8 AIS
Lens Type: Prime Lens
Format: Full Frame / FX
Focus: Manual Focus
Lens Mount: Nikon F
Release Date: 1984-09-01
MSRP Price: $674.95
Made in: Japan
Infrared Rating: Good
Production Status: In Production
Nikon NIKKOR 20mm f/2.8 Ai-S Specifications
| Lens Specifications | |
|---|---|
| * Supplied accessories may differ depending on country or area | |
| Lens Type | Prime Lens |
| Focal Length | 20mm |
| Mount Type | Nikon F |
| Format | Full Frame / FX |
| Compatible Format(s) | FX, DX, FX in DX Crop Mode, 35mm Film |
| Compatible with Teleconverters | No |
| Vibration Reduction (Image Stabilization) | No |
| Aperture Information | |
| Aperture Ring | Yes |
| Maximim Aperture | f/2.8 |
| Minimum Aperture | f/22 |
| Maximum Angle of View (Full Frame format) | 94° |
| Optical Information | |
| Lens Elements | 12 |
| Lens Groups | 9 |
| Diaphragm Blades | 7 |
| Nano Crystal Coat | No |
| Super Integrated Coat (SIC) | No |
| Focus Information | |
| Focus | Manual Focus |
| Built-in Focus Motor | No |
| Silent Wave Motor (SWM) | No |
| Minimum Focus Distance | 0.85 ft |
| Filter Information | |
| Filter Size | 62mm |
| Accepts Filter Type | Screw-on |
| Physical Characteristics | |
| Weather / Dust Sealing | Yes |
| Mount Material | Metal |
| Tripod Collar | No |
| Dimensions | (Approx.) 2.6x1.7 in. (Diameter x Length) |
| Weight | (Approx.) 9.2 oz. (260.4g) |
| Other Information | |
| Available in Colors | Black |
| Supplied Accessories | 62mm front lens cap, rear lens cap |
Reader Interactions
Comments
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I’ve owned the first version of this lens for some 10+ years. Recently I got the new version with SIC on the lens elements. I like the newer version better. I’m not sure if this lens is as sharp on digital as it is on film cameras. On film, it’s very, very sharp. I like the focal length of this lens much more than using a 24mm. In my case, once you’ve used the 20mm it’s very hard to go back to the 24mm. Never was impressed with Nikon’s 24mm lenses. I do like their 28mm lenses however. The 20mm is a great lens with it’s ability to keep straight lines straight (rectilinear). Anyway, I’ve never regretted buying this focal length. Ever.