SharpStar 0.73X Focal Reducer for 140PH - 3" - 140PHSR CG5 Dovetails Model G28BC3 mount has an

Model G28BC3 mount has an AccuAlign Optical Polar Scope installed for quick and easy polar alignment

Secondary Mirror Obstruction by Area: 11 %

Celestron'''s NexStar software technology will model the night sky to determine the position of every star

but it is bright

a tool which is more than simply convenient

SharpStar 0.73X Focal Reducer for 140PH - 3" - 140PHSR CG5 Dovetails Model G28BC3 mount has anSharpStar 140PH 3" 0. 73X Focal Reducer 3" 0. 73X Focal Reducer for the 140PH Apo Refractor Full frame Focal Reducer Focal Ratio Result: f 4. 8 for the 140PH Form Factor: Triplet Lens Image Circle Result: 44 mm Back Focus: The standard 55 mm Back Focus Total Weight: Only 0. 9 kg This SharpStar 140PH 3" 0. 73X Focal Reducer is ideal for use with the SharpStar model 140PH Refractor telescope for doing full frame imaging with DSLR or other electronic