SPECIFICATIONS:
FOCAL LENGTH: 500mm
APERTURE: Maximum: f/8 | Minimum: f/32
CAMERA MOUNT TYPE: T-mount (T-thread)
FORMAT COMPATIBILITY: 35mm Film / Full-Frame Digital Sensor
DSLR (APS-C Sensor)
ANGLE OF VIEW: 5°
MINIMUM FOCAL DISTANCE: 33' (10 m)
ELEMENTS/GROUPS: 4/4

FEATURES:IMAGE STABILIZATION: No
AUTO FOCUS: No
TRIPOD COLLAR: Yes

IN THE BOX:500mm Lens (2.0x Converter Incl.)
2x Converter Adapter
Lens Case
10 Year Warranty Card

PHYSICAL:FILTER THREAD: 67mm
DIMENSIONS: ~ 2.76 x 11.73" (7.01 x 29.79 cm)
WEIGHT:1.41 lb (640 g)