smc PENTAX-D FA Macro 100mm F2.8 e smc PENTAX-D FA Macro 50mm F2.8
Di mauro (del 09/08/2004 @ 17:40:53, in Pentax, linkato 1851 volte)
- High-Performance Optical Design to Optimize Digital Imaging Characteristics
- Image Circle Compatible with 35mm-Format SLR Cameras
Aperture Ring for Fingertip Aperture Control
- Compact, Lightweight Design
- Life-Size Macro Photography
- Exceptional Image Definition over the Entire Focusing Range
- Quick-Shift Focus System
(1) Built-in focus-clamp mechanism to fix focus at any distance
(2) Large lens hood to effectively shield the lens surface from excessive incident light
(3) Metallic lens mount for extra durability
|
smc Pentax-D FA Macro 100mm F2.8 |
smc Pentax-D FA Macro 50mm F2.8 |
| Lens mount |
Pentax K af |
| Lens construction |
9 elements in 8 groups |
8 elements in 7 groups |
| Angle of view |
24.5 degrees (16 degrees with the *ist D body) |
47 degrees (31.5 degrees with the *ist D body) |
| Diaphram |
Fully automatic |
| Minimum aperture |
F32 |
| Number of aperture blades |
8 |
| Metering system |
TTL open-aperture metering |
| Minimum focusing |
0.30m (1ft) |
0.20 m (0.65 ft) |
| Filter diameter |
49mm |
| Max magnification |
Life size (1x) |
| Max diameter |
67.5 mm (2.7 in) |
| Max length |
80.5 mm (3.2 in) |
60 mm (2.4 in) |
| Weight (without hood) |
345 g (12.2 oz ) |
265 g (9.3 oz) |
|
