January 24th, 2008 by 
Photo-John
SMC PENTAX DA 55-300mm f/4-5.8 ED Lens
KEY FEATURES:
- Extreme telephoto range zoom lens
- PENTAX SP coating protects the exposed lens elements
- ED elements compensate for chromatic aberration
- Developed specifically for PENTAX digital SLRs
- Focal length equivalent to 82.5mm to 450mm in the 35mm format
SPECIFICATIONS:
| LENS MOUNT: | PENTAX KAF2n |
| FOCAL LENGTH: | 55-300mm (equiv 84.5-460mm) |
| APERTURE: | f/4-5.8 |
| MINIMUM APERTURE: | f/22-32 |
| LENS CONSTRUCTION: | 12 elements in 8 groups |
| ANGLE OF VIEW: | 29.0-5.4° (w/ Pentax DSLR) |
| MIN FOCUSING DISTANCE: | 4.6′ (1.4m) |
| MAX MAGNIFICATION: | 0.28x |
| FILTER DIAMETER: | 58mm |
| DIAPHRAGM CONTROL: | Fully Automatic |
| NUMBER OF APERTURE BLADES: | 6 |
| LENS APERTURE RING: | n/a |
| TRIPOD ADAPTER: | n/a |
| HOOD: | PH-RBG 58mm |
| OBJECTIVE CAP: | O-LC58 |
| CASE: | S80-160 |
| MAX DIAMETER X MIN LENGTH: | 2.8 x 4.4″ (71.0 x 111.5mm) |
| WEIGHT (W/O HOOD): | 15.5 oz (440g) |
| NOTES: Quick-shift Focus, Filter Window, SP (Super Protect) Coating | |
Related Content:
Pentax Camera and Lens Reviews
Pentax Forum
2008 PMA Tradeshow Intro
Pentax Web Site
