Description
1) Optical system: refraction type, the doublet achromatic high sharpness full surface antireflection film lens
2) Effective aperture: 50MM,: 350MM,: F5.8 focal length ratio, the eyepiece: K25MM, 360 degrees viewing option
3) Modele:F350x50-F900x90
4) Longueur focale:350,400500,600,700,800,900mm
5) Diametre delobjectif:50,60,70,80,90mm
6) Oculairre:K25,K20,K12,K9,SR4
7) Accessories: Aluminum Alloy Tripod, Carrying Pouch, 5×20 Finderscope, 3 x Barlow
8) Mount: camera tripod
9) Assembled finished size:42x38x25cm
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