New / Vixen Astronomical Telescope
Polta IIR130Sf 39954-3 #61639
Condition : New
Brand : Vixen
Country/Region of Manufacture : Japan
Size (Package) : 106.5 × 62 × 35 cm
Shipping Weight : about 15kg
♦ Objective lens: Reflective type · paraboloid · multi coat
♦ Effective diameter: 130 mm
♦ Focal length: 650 mm
♦ Port size ratio F: F 7.5
♦ Concentration force: 131 times the naked eye
♦ Extreme grade: 11.3 stars
♦ Zoom magnification (including digital) Eyepiece (31.7 mm diameter) PL 20 mm (33 times, real field of view 89 minutes), PL 6.3 mm (103 times, real field of view 30 minutes)
Porta II History table realized high rigidity and operability so that more users can use with confidence. As the first astronomical telescope, or respond with ease of use to the need to enjoy stars easily.
Reflective lens barrel that gathers light from the celestial body with parabolic primary mirror, folds it by secondary mirror at 90 degrees, and echoes the eyepiece. Its feature is that chromatic aberration does not occur because of its simple structure, the sharpness of the star image captured at the center of the view is superior to other optical formats.
It is suitable for the observation of pale objects such as nebulae and star clusters because a bright view is obtained.
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Filed under: High-End Telescope Auctions (USA)