GSO N-254/1250 F/5 M-CRF OTA optical tubes OTA opinie


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GSO N-254/1250 F/5 M-CRF OTA
 
 
Availability: In stock, can be sent within 24 hours

 

 
€458

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A complete optical tube with a 254 mm F / 5 mirror (10 inches, focal length 1250 mm), with a Crayford 2 "/ 1.25" with a 10: 1 microscope and a very good 8x50 finder, designed for astrophotography and highly advanced visual observations , both Solar System objects, as well as star clusters, nebulae and galaxies.

Newton's telescopes produced by the Taiwanese factory are well-known for their solid workmanship and high optical quality. The Crayford eyepiece lift will support even heavier cameras and cameras, which, in combination with the high rigidity of the tube, makes this tube well suited to the photography of the sky.

Characteristics

• large mirror made of 254 mm (10 inch) diameter glass
• mirror with light f / 5 - a very universal parameter
• efficiency of mirrored surfaces 94% of the main
• 2-inch draw with reduction to 1.25 inches with a 10: 1 microcharger
• Optical finder 8x50 fixing to the tube
• 2 "/ 2" eyepiece adapter 35mm with clamping ring
• tube clips and dovetail mounting rail in Vixen standard included

Technical data

• Optical system: Newton reflector
• Diameter of the lens: 254 mm
• Focal length: 1250 mm
• light: f / 5
• Size of the secondary mirror: 70 mm
• Stellar range: 14.7 magnitudes
• Resolution: 0.46 "
• Maximum usable magnification: 500x
• Extractor: metal Crayford (CNC) 2 "with microfocus, load capacity up to 3 kg
• Diameter of the tube: 303 mm
• Length of the tube: 1150 mm
• Weight: 15,6 kg (set)

Usage

Moon
the planet
star clusters
nebulae
astrophotography

Warranty

2 years


















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