SharpStar 0.73X Focal Reducer for 140PH - 3" - 140PHSR CG5 Dovetails Fits standard 35mm camera T-rings

Fits standard 35mm camera T-rings

No further alignment needed

Secondary Mirror Obstruction by Area: 11 %

where the telescope is often in a horizontal position

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

SharpStar 0.73X Focal Reducer for 140PH - 3" - 140PHSR CG5 Dovetails Fits standard 35mm camera T-ringsSharpStar 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