Brand and Model: | Astro-Physics SPL 5mm |
Price ($USD): | 245 |
Type: | Super Planetary |
Focal Length: | 5 mm |
Barrel Size: | 1.25 |
Apparent FOV: | 42.0 degrees |
Field Stop Dia.: | 0.0 mm |
Eye Relief: | 6 mm |
Elements: | 3 |
Weight (lbs): | |
Description: | Features:
Field size - 3.9mm Eye relief - varies from 125% (4mm) to 140% (8-12mm) of the focal length Number of elements - 3 Top - conical non-metallic surface to resist fogging and prevent freezing to skin Apparent field - 42 degrees Operating range - from F4 upward Broadband multi-coated on all surfaces Barrel - 1.25" polished stainless steel |