TAMRON
Model 06A
Ultra-Tele
Zoom
Adaptall-2 Symbol200~500mmF/6.9
Ultra-Tele Zoom
Tamron Adaptall-2 200-500mm F/6.9 Model 06A Lens

Tamron 200-500mm F/6.9 Model 06A: This lens is an optical redesign of the earlier Adaptall model Z-500 and CZ-500 lens models. Its obvious, after comparing the optical designs of this lens to its predecessor, that Tamron's goal was to reduce the rather strong chromatic aberration and lateral color within the earlier optical design. Tamron's earlier Z-500 and CZ-500 models were unusual in that they were corrected for green and blue rather than red and yellow colors. This was preferable since most nature scenes predominately feature yellow and green colors, and since long distance telephoto photographs generally are affected by deep blue and UV haze. Nevertheless, the green-blue color correction in the earlier models resulted in significant amounts of red chromatic aberration and red lateral color. This significantly reduced the MTF for the earlier versions of this lens. Note that chromatic aberration and lateral color should be greatly reduced in this revised optical design, possibly making this lens an average to slightly above average optical performer within its class. Tamron's 200-500 F/6.9 model 06A lens was discontinued in 1984 with the introduction of Tamron's highly praised SP 200-500 F/5.6 model 31A lens.

Lens Specifications:

Lens Model 06A
Focal Length 200 — 500mm
Aperture Range f/6.9 — 32, AE
Angle of View 12°~5°
Optical Construction
(Groups / Elements)
8 / 14
Min. Focus from Film Plane 118" (3.0m)
Macro Mag. Ratio
Filter Size 82mm
Diameter 3.5" (90mm)
Length at
[w/Nikon mount]
14.6" (370mm)
[14.8" (274.5mm)]
Weight 97.7 oz. (2770)
Lens Hood Built-in type, retractable.
Accessory Accepts SP 2X tele-converter #01F. Supplied with exclusive tripod mount ring.
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