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ED102 Carbon Fiber f/7 Air Spaced Triplet with HOYA FCD100 optics and Integrated Dew Shield
Lock screw on the side for you to adjust the tension of the holder to eliminate gap
Eliminates over 90% of the distortion inherent in conventional one-sided planispheres
75 T-mount thread on the other end to connect a suitable CCD camera
elegant design
Explore Scientific 2x Focal Extender Barlow 1.25" Flattener ED102 Carbon Fiber f/7 AirA good Focal Extender adds some real versatility to your telescope accessory line up. First of all, it allows you to increase the magnification of any eyepiece with the same barrel size that you already own. In other words, 3 eyepieces offer 6 magnification choices with the addition of a focal extender. Secondly, most of the time, lower magnification eyepieces have better eye relief than higher power models. When using a focal extender to increase
US$ 97.99
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US$ 69.98
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