Zeiss 21mm f/2.8 Distagon T* ZE Lens Specifications and Measurements

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Specifications	Zeiss 21mm f/2.8 Distagon T* ZE Lens
Focal Length Range	21mm
APS-C Sensor DSLRs Only?	N
Lenses / Groups	16/13
Angle of View: Diagonal	81°
Angle of View: Horizontal
Angle of View: Vertical

Aperture
Aperture Range - Wide / Long	f/2.8-22
Number of Aperture Blades	9
Rounded Aperture?

Weight
Manufacturer Specification Weight	600g
Actual Weight	720g
Lens Hood Weight	45g
In-Use Weight	765g

Size
Manufacturer Spec Size (DxL)	87 x 109mm
Measured Size (DxL)	87.5 x 95.4mm
Max Length at Full Extension	95.4mm
Internal Zoom? / Extends with Zoom?	N / N
Internal Focusing? / Extends with Focusing?	Y / N
Lens Hood Size (DxL)	97.4 x 35.3mm
Lens Length with Hood (Min / Max)	126.4 / 126.4mm
Size of Rings - Zoom / Focus	/ 45.9mm
Filter Size	82mm
Front Element (Filter Mount) Rotates	N

Focus
AF Motor Type	MF Only
Full Time Manual Focus	Y
Focus Ring Rotation	123°
Focus Limiter? / Focus Limiter Ranges	N
Distance Info Provided to Camera?
Distance Scale? / Type	Y / Engraved

Close Focus
Specified Min Focus Distance	220mm
Tested Min Focus Distance (Wide / Long)	228mm
Maximum Magnification (MM)	0.15x
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?	Y /
Weather Sealed? / Filter Required?	N
Image Stabilization? / Stops? / Tripod Sensing?	N
Metal Mount?	Y
Extender Compatible?	N
Case Included? / Type?	N /
1200mm x 800mm Subject Framing Distance	21mm = 823mm

History
Year Introduced	2010