jump to navigation

Telescope baru aku 5 Disember 2009

Posted by azmirul in Astronomy.
add a comment

ni gadget terbaru aku:  Orion Apex 90mm Maksutov-Cassegrain

aku punya add-on Accessories:

2x barlow lens, zoom eyepiece 7-21mm (60x – 178x), EOS slr ring adapter,  webcam adapter

Optical design: Maksutov-Cassegrain
Aperture: 90mm
Effective focal length: 1250mm
Focal ratio: f/13.9
Central obstruction diameter: 29mm
Primary mirror coating: Aluminum with overcoat
Meniscus lens coating: Anti-reflection multi-coatings on both sides of lens
Eyepiece adapter: Accepts 1.25″ format accessories, camera t-threads
Eyepiece: 25mm Sirius Plossi, fully coated with multi coatings, 1.25″ format
Magnification with supplied eyepiece: 50x
Actual field of view with supplied eyepiece: 0.96degree
Diagonal: 45 degree correct-image diagonal, 1.25″ format
Near focus (with supplied eyepiece and diagonal): Approximately 13.5 feet
Finder scope: 6x magnification, 20mm aperture, correct-image, achromatic, 6.2 degree field
Optical tube mounting block: Fits standard photo-style tripods
Case: Deluxe carry case for optical tube included
Weight: 3.7 lbs (2.1 kg)
Length: 1-.5″ (without eyepiece or diagonal attached)