Tamron SP 90mm
F/2.8 DI 1:1 AF Macro Auto Focus Lens
| The optical system of the SP
AF14mm F/2.8 Aspherical (IF)
lens, composed of 14
elements in 12 groups,
includes two Hybrid
Aspherical lens elements.
These large Hybrid Aspheric
elements efficiently
compensate for aberrations
thus achieving flat-field
image depiction from corner
to corner. With a fast F/2.8
aperture and a sophisticated
optical system,
photographers can create
dynamic photographs that
take full advantage of the
rectangular characteristics
of the lens.
|
| Construction |
12 Groups/ 14 Elements |
| Angle of view |
113.8° |
| F stop range |
2.8-22 |
| Closest Focusing Distance |
7.8" |
| Maximum Magnification |
1:6.5 |
| Filter Size |
Gelatin filters can be
placed on the rear section
of lens |
| Dimensions (Length x
Diameter) |
3.5in. (89mm) |
| Weight |
23.3oz (661g) |
| Notes |
Internal Focusing, 2 Hybrid
Aspherical lens elements |
|
|
