Special Note
We don’t have a full-time artist and don’t want to spend money on making gorgeous pictures. “Scratch” is actually not a scratch, but the reason for the background cloth. In order to illustrate the permeability of the lens, we did not deal with the picture specially.
154F750 Double Separated Multilayer Broadband Film Objective
Astronomical telescope objective lens D=154mm F=750mm multi-film
Caliber D
154mm
Focal length F
750mm
Coating
Multilayer broadband film (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'
154F750 Double Separated Multilayer Broadband Film Objective
Astronomical telescope objective lens D=154mm F=750mm single film
Caliber D
154mm
Focal length F
750mm
Coating
Single blue film gnecnad (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'
154F1200 Double Separate Multilayer Broadband Film Objective
Astronomical telescope objective lens D=154mm F=1200mm multi-film
Caliber D
154mm
Focal length F
1200mm
Coating
Multilayer broadband film (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'
154F1200 Double Separate Single Layer Blue Lens Objective
Astronomical telescope objective lens D=154mm F=1200mm single film
Caliber D
154mm
Focal length F
1200mm
Coating
Single layer blue film
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'
154F1500 Double Separation Multilayer Broadband Film Objective
Astronomical telescope objective lens D=154mm F=1500mm multi-film
Caliber D
154mm
Focal length F
1500mm
Coating
Multilayer broadband film (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'
