Tamron SP AF 28-105mm F2.8 LD Aspherical IF
| mount: | A-mount |
|---|---|
| prod. code: | 176D, 276D |
| EAN/UPC: | data needed |
| makernote ID: | 129 |
| format: | Full frame |
| release year: | 1997 |
| status: | Discontinued |
| specification | |
| D type lens: | No |
| SLT compatible: | Yes |
| AF Drive: | In Body |
| focus design: | internal |
| stabilisation: | No |
| weather sealing: | No |
| AF-D (a99 only): | No |
| max. aperture: | 2.8 |
| min. aperture: | 22 |
| focal range(mm): | 28-105 |
| elements/group: | 15/13 |
| angle of view: | 75,3 - 23,2 |
| aperture blades: | 9 |
| min. focus distance(mm): | 500 |
| filter rotate focusing: | No |
| filter rotate zooming: | No |
| max. magnification: | 0.217x (1/4.6) |
| filter diameter(mm): | 82 |
| hood: | flower |
| color: | black |
| length(mm): | 112 |
| weight(g): | 880 |
| standard accessories: | hood, case |
dyxum note
Model 176D was produced from 1997 until 2000.Model 276D was produced from until 2003.
Model 176A is the same lens with the Tamron adaptall mount.
We don't have info about differences between these versions other than different lens cosmetics
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Tamron
SP AF 28-105mm F2.8 LD Aspherical IF
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Tamron
SP AF 28-105mm F2.8 LD Aspherical IF
manufacturer description
This lens establishes a new benchmark as a standard lens, extending from a wide 28mm all the way to 105mm telephoto, all with a fast constant 2.8 maximum aperture.
The use of four large diameter aspherical elements and three LD glass elements reduces various aberrations while minimizing the fall-off of light at the corners.
Tamron's Integrated-Focusing Cam system, Internal Focusing system and Triple-Cam zoom system all combine to permit a body that at the 28mm zoom position is very compact, with excellent optical performance.
Also, a new Anti-Slip-Mode mechanism is incorporated for the first time. A new Tamron mechanism that prevents the lens barrel from sliding outward under its own weight.