Kowa TE-9Z 20-60x Zoom Eyepiece

Save $100.00
KowaSKU: TE-9Z
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Sale price$350.00 Regular price$450.00


The Kowa TE-9Z 20-60x Zoom Eyepiece is a must have for any birder, hunter, or outdoor enthusiast. With a 20-60x magnification, allows you to view various subjects at various distances. The eyepiece is covered by a 10 year warranty for your piece of mind.

Compatiable with the following current Kowa System S spotting scopes:

  • TSN-601/602
  • TSN-663M/664M
  • TSN-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)


  • Interchangeable
  • Twist-up Eyecups
  • 10 Year Warranty

Technical Specifications:

Exit pupil: 3.0-1.0mm (TSN 600) 3.3-1.1mm (TSN 660) 3.9-1.3mm (TSN-82SV)

Eye relief: 16.5-16mm

Field of view at 1000 M: 133.2-17.5M (TSN 600/660) 31-17M (TSN 82SV)

Magnification: 20-60x (TSN 600/660) 20-63x (TSN 82SV)

Real field of view: 1.9-1.0 degrees (TSN 600/660) 1.8-0.95 degrees (TSN 82SV)

Relative brightness: 9.0-1.0 (TSN 600) 10.9-1.2 (TSN 660) 6.8-1.7 (TSN 82SV)

Twilight factor: 34.6-60.0 (TSN 600) 36.3-62.9 (TSN 660) 41.5-71.9 (TSN 82SV)

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