In Stock
SKU
KOW-KWTE-9Z
Kowa 20-60x Eyepiece Suits for 660/600 Series
Our Price $569.95
TSE-Z9B 20-60x zoom eyepiece is a High qualtiy twist zoom eyepiece. for TSN601/602/663M/664M/82SV
Compatiable with the following historical spotting scopes:
TSN-603/604 | TSN-661/662/663/664 | TSN-1/2/3/4 |TS-601/602 |TS-611/612/613/614 | TSN-820/820M (requires TSN-EC1A adapter ring)
Specification below is based on TSN-660M series spotting scopes. Specification changes dependent on spotting scope model.
Technical details
| Field of view at 1000m: | 33-17m |
| Magnification: | 20-60x zoom |
| Field of view (degree): | 1.9-1.0 |
| Exit Pupil Diameter: | 3.3-1.1mm |
| Relative Brightness: | 10.9-1.2 |
| Twilight Factor: | 36.3-62.9 |
| Eye Relief: | 16.5-16.0mm |
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