Availability: 5 in stock
Pentax 20x-60x Zoom Eyepiece 70509 is an excellent accessory for any Spotting Scope Accessories!
Specifications for Pentax 20x-60x Zoom Eyepiece 70509
| Magnification: | 20x-60x |
| Lens Structure: | 6 elements, 4 groups |
| Real Field of View: | 1.9 Degrees – 1 Degree |
| Apparent Field of View: | 38 Degrees – 60 Degrees |
| Field of View at 1000 m: | 33-17m |
| Field of View at 1000 yd: | 108-56 ft. |
| Exit Pupil: | 4-1.3mm |
| Eye Relief: | 20mm |
| Relative Brightness: | 16-1.7 |
| Eyepiece Size: | 5.7 x 2.7 in. |
| Lens & Outside Diameter: | (144 x 69mm) |
| Weight (Eyepiece): | 19.2 (550g) |
