Thom's commentary: The usual “bum rap” that this lens gets is that it is “too big.” Yes, it’s larger than the Sony 20mm f/1.8. The real story, however, is how good it is optically. As with most fast wide angle lenses, the 20mm f/1.8 S isn’t absolutely perfect. You need to understand its small idiosyncrasies to maximize image quality. Most folk would be using this lens for landscape work at smaller apertures, and this lens is excellent for that. For astrophotography, corners do show some shape to star points, but despite all the things like that I point out in my review, almost none of them are going to stop you from getting excellent results. Recommended Thom’s Full Review of the Nikon 20mm f/1.8 S Lens
- Coverage: full frame (FX)
- Build: dust and drip resistant, S-line
- Optical design:
- 14 elements in 11 groups
- 3 aspherical, 3 ED elements
- Nano and Fluorine coating
- Field of view: 94° degree diagonal
- Stabilization: none (can use sensor-VR)
- Aperture:
- f/1.8 to f/16
- 9-blade rounded diaphragm
- Focus:
- autofocus, internal focus
- 10" (0.2m) minimum focus
- 1:5.2 maximum magnification ratio
- Filters: 77mm filter size
- Hood: supplied HB-95 lens hood
- Size and weight:
- 4.3" (108.5mm) long
- 3.4" (84.5mm) diameter
- 17.9 ounces (505g)
- Model number: 20093
- Price: US$1050
- Firmware: 1.01 (updated April 2021)
- Announced: February 12, 2020
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