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45 arc seconds Light Gathering Power (Compared to human eye) 131x Optical Coatings fully coated glass Optical Tube Length 457
Unique features such as an electronic friction break and power down memory allow the mount safely stop and resume a GoTo slew or continue tracking even after an abrupt power loss (No need to realign and start from the beginning)
The Calcium K modules line is centered at 393
About the Celestron Cheshire Collimation Eyepiece - 1
your telescope becomes the most complete imaging system available in its price range today
William Optics M48 Nikon F T-Ring - Black - TM-NK-F-M48 threedaysale 45 arc seconds Light GatheringWilliam Optics 48 mm T Ring for Nikon F Cameras Use this aluminum black anodized T ring to attach your Nikon F camera body to an imaging accessory, etc. with M48 threads.
US$ 21.00
US$ 649.50
US$ 599.50
