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Ships within 48 hours · Estimated delivery Sep 25 - Sep 30
Focuser Included: Rack and Pinion
SKU S11230 UPC 050234112307 Optical Design Newtonian Reflector Mirror Coatings 94% Aluminum Glass Type Borosilicate Primary Aperture (mm) 305 mm (12") F/Ratio f/4 Focal Length (mm) 1200 mm Secondary Diameter 102 mm Secondary Obstruction (diam) 33% Secondary Obstruction (area) 11% Dawes Limit 0
This is an ideal accessory for using with large Dobsonian telescopes or longer Newtonian telescopes
Most accurate way to guide improved accuracy compared to using a separate guide scope
If you already own the Dwarf II standard version
ZWO EAF Temperature Sensor - EAF-SENSOR beginner Focuser Included: Rack and PinionKeep your telescope in focus as the temperature fluctuates with this Temperature Sensor for the ZWO EAF Electronic Automatic Focuser.
US$ 75.00
US$ 32.99
US$ 1099.50
US$ 14.95
