TAMRON
Model PZ-20Au
Telephoto Zoom
Adaptall-2 Symbol80-250mmF/3.8
Telephoto Zoom
Tamron Adapt-A-Matic 80-250mm F/3.8 Model PZ-20Au Lens
[No photo of optical layout is presently available.]

Tamron Adapt-A-Matic 80-250mm F/3.8 Model PZ-20Au: This lens was available in three versions. We are not sure if the PZ-20Au model name applies to all three versions. Initially there was the first model which featured metal knurled focus and zoom rings. Then there was a subsequent model which featured rubber focus and zoom rings yet still did not have slots on the aperture ring for the aperture coupling band included with later versions of some Adapt-A-Matic mounts. The final version of this lens features rubber focus and zoom rings plus the slots for aperture coupling bands.

Lens Specifications:

Lens Model PZ-20Au
Focal Length 80-250mm
Aperture Range f/3.8 — 22
Angle of View 30°~10°
Optical Construction
(Groups / Elements)
9 / 14
Min. Focus from Film Plane 79" (2.0m)
Macro Mag. Ratio
Filter Size 72mm (front)
Diameter 3.0" (76mm)
Length at
[w/Nikon mount]
[9.2" (233mm)]
Weight 45.1 oz. (1280g)
Lens Hood Built-in
Accessory
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