Nikon 20mm f1.8G ED is an Auto Focus (AF) Wideangle Prime
lens with 35mm FF max sensor coverage and it is designed to be used with Nikon F (DX) mount cameras.
Lenses in Nikon F (DX) Mount with Same Focal and Aperture Range
Nikon 20mm f1.8G ED is compatible with cameras that have Nikon F (DX)
lens mount. Some of the latest released cameras with Nikon F (DX) lens mount are Nikon D6
, Nikon D780
and Nikon D3500
Max sensor coverage of Nikon 20mm f1.8G ED is 35mm FF
Nikon 20mm f1.8G ED has a fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 30mm.
Optical Image Stabilization
Nikon 20mm f1.8G ED doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Nikon 20mm f1.8G ED features Rotary (internal)
zoom method where the length of the lens doesn't change while you are zooming in or out. Even though this design has a size disadvantage in general compare to extending designs, it has the benefits of better sealing against dust and moisture, no zoom creep and no weight balance shift while zooming.
Maximum Magnification Ratio
Nikon 20mm f1.8G ED has a Max Magnification Ratio of 0.23x
and has a minimum focusing distance of 0.2m
Nikon 20mm f1.8G ED has a max aperture of F1.8 and a minimum aperture of F16.0.
Nikon 20mm f1.8G ED's optical formula consists of 13 elements in 11 groups.
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