BT-70-45 / BT-100-45 65° Eyepieces

$179.95 $149.95


BT-70-45 / BT-100-45 65° Eyepieces

$179.95 $149.95

Choose Focal Length: * 


These premium-quality eyepieces increase the magnification of the Oberwerk BT-70-45 and BT-100-45 binocular telescopes. Available in 3 2 focal lengths (16mm, 12mm, 8mm) that give 1.5x, 2x, and 3x the magnification of the stock 23.9mm BT eyepieces. They have precision adjustable twist-up rubber eyecups, a wide 65° AFOV, with excellent sharpness to the edge of the field. The barrels are threaded to accept 1.25″ filters. Sold in pairs.

 Focal length  BT-70-45  BT-100-45
16mm 24x 38x
12mm 32x 50x
8mm 48x 75x

Additional information

Weight 1 lbs
Dimensions 6 × 6 × 6 in


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