SharpStar 0.73X Focal Reducer for 140PH - 3" - 140PHSR CG5 Dovetails BaK-4 prisms and multi-coated optics

BaK-4 prisms and multi-coated optics provide improved contrast and transmission and resolution

5 degrees of true field at 7X magnification

The deep red illumination can be controlled by the variable brightness knob

No further alignment needed

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

SharpStar 0.73X Focal Reducer for 140PH - 3" - 140PHSR CG5 Dovetails BaK-4 prisms and multi-coated opticsSharpStar 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