GSO N-305/1200 M-LRN OTA optical tubes OTA opinie


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GSO N-305/1200 M-LRN OTA
 
 
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GSO N-305/1200 M-LRN OTA
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A complete optical tube with a 305 mm F / 4 mirror (12 inches, focal length 1200 mm), with a monorail (modified Crayford extractor) 3 "/ 2" / 1.25 "with a 10: 1 microscope and a very good finder 8x50, designed for advanced astrophotography and highly advanced visual observations, both solar system objects, as well as star clusters, nebulae and galaxies, has a very bright parabolic mirror, relatively small size and 21.6 kg weight with clamps, which makes this telescope very fast and efficient astrograph.
To get a good working comfort we recommend the NEQ6 Sky-Watcher, available separately for this tube.

Characteristics

• large glass mirror with diameter 305 mm (12 inches)
• f / 4 brightness for astrophotography (strong stand required), as well as for advanced visual observations
• efficiency of mirrored surfaces 94% of the main
• 3-inch cut with 2-inch and 1.25-inch reductions with a 10: 1 micro-processor
• Optical finder 8x50 fixing to the tube
• 2 "/ 2" eyepiece adapter 35 mm with clamping ring
• tube clamps and dovetail mounting rail 75 mm wide (Losmandy)

Technical data

• Optical system: Newton reflector
• Diameter of the lens: 305 mm
• Focal length: 1200 mm
• light: f / 4
• Switching capacity: 0.46 "
• Stell ratio: 15.5 magnitudes
• Maximum useful magnification: 600x
• Length: 1117 mm
• Weight: 21.6 kg (including lift, finder, clamps)



Usage

Moon
the planet
star clusters
nebulae
astrophotography

Warranty

2 years


















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