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Tamron Adaptall-2 135mm F/2.5 Model 03B: A lightweight
telephoto which uses two thick convex front elements to make this lens very
compact. Off-axis coma is minimized by using a high refractive index lens
element. Overall, this is a moderately compact lens which provides good but not
spectacular overall optical performance.
Lens Specifications:
| Lens Model |
03B |
| Focal Length |
135mm |
| Aperture Range |
f/2.5 — 32, AE |
| Angle of View |
18° |
Optical
Construction
(Groups / Elements) |
4 / 4 |
| Min. Focus from Film
Plane |
47.2" (1.2m) |
| Macro Mag. Ratio [w/2X
Converter] |
1:7.0 [1:3.5] |
| Filter Size |
58mm |
| Diameter |
2.5" (64.5mm) |
Length at
[w/Nikon mount] |
3.1" (79.5mm)
[3.3" (84.0mm)] |
| Weight |
14.5 oz. (410g) |
| Lens Hood |
Built-in type, retractable. |
| Accessory |
Accepts SP 2X tele-converter #01F. |
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