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佳能的几个超级大炮
(2007-01-23 17:57:53)| 分类： 相机样片，使用体验 |
The Canon Lenses 800 mm F 3.8
Dimensions Length:
463mm (hood 275mm) Wide:
298mm
Canon 800 mm
& 2000 mm lenses
Cameras to use : Orthikon-TV-cameras & Canon-SLR's
Lens type : Long-range telephoto lens with catadioptric system
Main mirror : 1, 1
Secundary mirror : 1, 1
F-speed : 1 : 3.8 & 1:11
Lenses / groups : 3 lenses in 2 groups & 5 lenses in 3 groups
Coating, mirrors : Amber, Amber
Coating, lenses : Canon Spectra Coating, Canon Spectra Coating
Maximum of image-diameter : 43.2 mm ( 24 x 36 mm); 43.2 mm ( 24 x 36 mm)
Angle horizontal : 2 degrees, 1 degree
Angle vertical : 1 degree 41 min,. 40 min.
Apertures, build with neutral density filters : (f/3.8) - f/5.6-f/8-f/11-f/16-f/22; (f/11) - f/16-f/22-f/32
Dimension : Both lenses not indicated
Weight : 15 kg; 11 kg
Cameras to use : Orthikon-TV-cameras & Canon-SLR's
Lens type : Long-range telephoto lens with catadioptric system
Main mirror : 1, 1
Secundary mirror : 1, 1
F-speed : 1 : 3.8 & 1:11
Lenses / groups : 3 lenses in 2 groups & 5 lenses in 3 groups
Coating, mirrors : Amber, Amber
Coating, lenses : Canon Spectra Coating, Canon Spectra Coating
Maximum of image-diameter : 43.2 mm ( 24 x 36 mm); 43.2 mm ( 24 x 36 mm)
Angle horizontal : 2 degrees, 1 degree
Angle vertical : 1 degree 41 min,. 40 min.
Apertures, build with neutral density filters : (f/3.8) - f/5.6-f/8-f/11-f/16-f/22; (f/11) - f/16-f/22-f/32
Dimension : Both lenses not indicated
Weight : 15 kg; 11 kg
2000 mm 1:11
Dimensions Length: 603mm (hood 470mm) Wide: 246mm
5200 mm 1:14
Dimensions Length: 1290mm (hood 390mm) Wide: 500x600mm Weight: 100kg
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