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CNC machined Exterior finish Anodized black Level indicator Level bubble Control system GOTONOVA/Commander Handset Optional Go2Nova® 8411 Tracking Automatic Maximum slew speed 6º/sec Power consumption 0
89 Focal Length of Eyepiece 1 (mm) 20mm (0
The adapter offers an ultra-secure threaded connection to your telescope
Visual Back Adapter for 2"
and perfect star shapes
ZWO 2" SII 7nm Narrowband Filter - SII7NMD2 16.5 mm Eyepieces CNC machined Exterior finish AnodizedThe ZWO SII 7nm Narrowband Filter passes light at the 672nm wavelength with a bandpass of 7nm for nebula observation. It is suitable for visual observation on most emission nebulae, planetary nebulae and supernova remnants. Use this SII (Sulfur II) with H alpha and Oxygen III narrowband filters (SHO Set) for tricolor CCD astrophotography. This rendition of the ZWO SII 7nm Filter is housed in a 2" threaded metal cell and can be used in 2" filter wheels
