Tamron Adaptall-2 80-210mm F/3.8-4 Model 03A

Model 03A

Tele-Macro

Compact Zoom

80~210mmF/3.8-4
CF Tele-Macro Compact Zoom

Tamron Adaptall-2 80-210mm F/3.8-4 Model 03A Lens

Tamron 80-210mm F/3.8-4 Model 03A: This is a fairly lightweight and very nice handling zoom lens with average performance. Additional features include a built-in lens hood and continuous focusing into macro mode. This model 03A lens, introduced in 1979, was superceded in 1981 by the model 103A. The latter model 103A is more compact, doesn't have a built-in lens hood, and features a heavily revised revised optical design with much better off-axis optical performance. The photo at right (click on photo for a much larger version) shows a cutaway which nicely illustrates the internal complexity of zoom lenses which feature all metal construction.

Lens Specifications:

Lens Model	03A
Focal Length	80 — 210mm
Aperture Range	f/3.8~4 — 32, AE
Angle of View	30°~11°
Optical Construction (Groups / Elements)	10 / 12
Min. Focus from Film Plane	35.4" (0.9m)
Macro Mag. Ratio [w/2X Converter]	1:2.8 [1:1.4]
Filter Size	58mm
Diameter	2.5" (64.5mm)
Length at [w/Nikon mount]	5.8" (146.5mm) [6.0" (151mm)]
Weight	21.5 oz. (610g)
Lens Hood	Built-in type, retractable.
Accessory	Accepts SP 2X tele-converter #01F.

Tamron 80-210 F/3.8-4
F/no.	RESOLUTION at 80mm at 1:47 magnification		CONTRAST at 80mm (30 lines/mm)
F/no.	Center Lines/mm	Corner Lines/mm	Center %	Corner %
3.8	47	33	36	16
5.6	53	37	51	18
8	59	42	56	28
11	53	47	53	40
16	47	47	49	40
22	47	42	42	41
32	42	37	35	36

Tamron 80-210 F/3.8-4
F/no.	RESOLUTION at 135mm at 1:49 magnification		CONTRAST at 135mm (30 lines/mm)
F/no.	Center Lines/mm	Corner Lines/mm	Center %	Corner %
3.8	39	31	38	22
5.6	44	35	54	25
8	55	39	54	30
11	55	44	47	31
16	55	44	48	32
22	49	44	48	32
32	44	39	38	14

Tamron 80-210 F/3.8-4
F/no.	RESOLUTION at 210mm at 1:48 magnification		CONTRAST at 210mm (30 lines/mm)
F/no.	Center Lines/mm	Corner Lines/mm	Center %	Corner %
4	43	34	32	7
5.6	43	34	42	17
8	48	38	46	25
11	54	38	47	34
16	54	43	43	34
22	48	43	40	34
32	43	34	36	40

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