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Tamron 75-250mm F/3.8-4.5 Model 104A: This is a fairly
lightweight and very nice handling zoom lens with above average performance.
Additional features include a built-in lens hood and continuous focusing into
macro mode. This lens, introduced in 1981, replaces the earlier model 04A with
a heavily revised optical design. Note that this lens, cosmetically, is very
similar in appearance to the earlier model 04A lens. It is very hard to tell
these two lens versions apart unless you look at the model number engraved on
the lens.
Lens Specifications:
| Lens Model |
104A |
| Focal Length |
75 — 250mm |
| Aperture Range |
f/3.8~4.5 — 32, AE |
| Angle of View |
32°~10° |
Optical
Construction
(Groups / Elements) |
10 / 13 |
| Min. Focus from Film
Plane |
47.2" (1.2m) |
| Macro Mag. Ratio [w/2X
Converter] |
1:3.4 [1:1.7] |
| Filter Size |
62mm |
| Diameter |
2.8" (71mm) |
Length at
[w/Nikon mount] |
6.8" (172mm)
[6.9" (176.5mm)] |
| Weight |
30.2 oz. (856g) |
| Lens Hood |
Built-in type, retractable. |
| Accessory |
Accepts SP 2X tele-converter #01F. |
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