Nikon 20mm f/2.8D AF Lens Specifications and Measurements

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Specifications	Nikon 20mm f/2.8D AF Lens
Focal Length Range	20mm
APS-C Sensor DSLRs Only?	N
Lenses / Groups	12/9
Angle of View: Diagonal	94°
Angle of View: Horizontal
Angle of View: Vertical

Aperture
Aperture Range - Wide / Long	f/2.8-22
Number of Aperture Blades	7
Rounded Aperture?

Weight
Manufacturer Specification Weight	270g
Actual Weight	265g
Lens Hood Weight	10g
In-Use Weight	275g

Size
Manufacturer Spec Size (DxL)	69 x 42.5mm
Measured Size (DxL)	68.6 x 52.4mm
Max Length at Full Extension	55mm
Internal Zoom? / Extends with Zoom?
Internal Focusing? / Extends with Focusing?	N / Y
Focus Extension Length	2.5mm
Lens Hood Size (DxL)	90.1 x 17.3mm
Lens Length with Hood (Min / Max)	65 / 68.3mm
Size of Rings - Zoom / Focus	/ 11.5mm
Filter Size	62mm
Front Element (Filter Mount) Rotates	N

Focus
AF Motor Type
Full Time Manual Focus	Y
Focus Ring Rotation	114°
Focus Limiter? / Focus Limiter Ranges
Distance Info Provided to Camera?	Y
Distance Scale? / Type	Y / Window

Close Focus
Specified Min Focus Distance	259mm
Tested Min Focus Distance (Wide / Long)	249mm
Maximum Magnification (MM)	0.12x
MM with 12mm Extension Tube
MM with 25mm Extension Tube
MM with 250D Closeup Lens
MM with 500D Closeup Lens

Features
Tripod Ring Included? / Removable?	N
Zoom Ring Lock Switch?
Lens Hood Included / Model?	N / HB-4
Weather Sealed? / Filter Required?	/
Image Stabilization? / Stops? / Tripod Sensing?	N
Metal Mount?
Extender Compatible?	N
Case Included? / Type?	N /
1200mm x 800mm Subject Framing Distance	20mm = 734mm

History
Year Introduced	1994