154mm Double Separation Lenses 154F750mm 154F1200mm Optical Glass Objective Lens Set Refractive Astronomical Telescope DIY


Specifications:
Diameter: 154mm
Focal length: 750mm
Coating: Multilayer broadband Green Coating , Single Layer Blue Coating for choosing (400-700nm)
Combined image quality: 1/4-1/8
Diameter tolerance: +0/-0.12 mm
Center thickness tolerance: ±0.2mm
Focal length tolerance: ±0.1%
Finish: 60/40
Eccentric: 1'



Diameter: 154mm
Focal length: 1200mm
Coating: Multilayer broadband Green Coating , Single Layer Blue Coating for choosing (400-700nm)
Combined image quality: 1/4-1/8
Diameter tolerance: +0/-0.12 mm
Center thickness tolerance: ±0.2mm
Focal length tolerance: ±0.1%
Finish: 60/40
Eccentric: 1'


Package:
1 set 154mm Double Separation Lens with partition ring