Cyclops Optics 2 inch 45å¼ Erecting Prism Diagonal US$164.99
Introducing the 2 inch 45 degrees erecting prism diagonal brought to you by Cyclops Optics! Now you can enjoy a sharp viewing experience with your beloved telescope without disorienting yourself, perfect for terrestrial...
Cyclops Optics 2" Enhanced Dielectric Diagonal US$100.54
Takahashi 1.25" Prism Diagonal US$148.23 US$109.56
Takahashi 2" Mirror Diagonal US$541.37 US$448.56
Televue 2.5x 1.25" PowerMate US$256.51 US$217.84
Al Nagler's 4-element concept, continues the tradition of full-field sharpness with optimum aberration control. Like long eye-relief? Retain the eye-relief of long focal length eyepieces, while at high power. Enjoy, for...
Televue 4x 2" PowerMate US$411.18 US$333.84
Televue 5x 1.25" PowerMate US$256.51 US$217.84
Televue Big Paracorr Type 2 US$1,495.21 US$1,031.18
Paracorr An optical chain is as good as its weakest link. With the development of 82 degree Nagler and 100+ degree Ethos eyepieces, Tele Vue offers the largest, flattest and best corrected visual fields in the...
Televue Paracorr Type 2 US$618.71 US$476.92
William Optics 1.25" RotoLock Adapter US$46.40
William Optics 1.25" RotoLock Adapter upgrades your telescope with a quick and robust way of using 1.25" accessory. Just rotate the adapter ring clockwise to securely lock any inserted accessory, or rotate counter-clockwise...
William Optics XWA 100å¼ 3.5mm + 5mm + 20mm US$900.99 US$617.42
William Optics XWA 100º 20mm eyepiece, 110º 3.5mm and 110º 5mm are now on sales! Free shipping applies!
WO DuraBright 1.25" Dielectric Diagonal for Star 71-II & Star 71-I US$135.34
99% reflectivity dielectric coated 1.25 inch diagonal for William Optics Star-71 first and second generation. Surface accuracy: 1/10λ Telescope Interface Star 71-II M63 Star 71-I M65 ...
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