The Maksutov optical design is recognized for being a portable design that is easy to use and has a variety of applications, making it an excellent choice for both terrestrial and astronomical usage. This C90 Mak has excellent optics with razor sharp images over a wide field.
Features:
Multi Coated optics
Maksutov-Cassegrain Optical Design
Compact and Portable Design
Erect Image System for Terrestrial and Astronomical Use
Built-in T-Adapter threads for Ease of Adapting SLR Cameras
Comes with 32mm Eyepiece, 45 deg Erect Image Diagonal and 8X21 Erect Image Finderscope
Water Resistant Backpack
No Fault Lifetime Warranty
Specifications:
Optical Design : Maksutov
Aperture : 90 mm (3.54 in)
Focal Length : 1250 mm (49.21 in)
Focal Ratio : 13.89
Finderscope : 8x21
Angle : 0 or 45 deg
Eyepiece 1 : 32 mm (1.26 in)
Magnification 1 : 39 x
Carrying Case : Backpack made of nylon
Angular Field of View : 1.3 deg
Linear Field of View (@1000 yds) : 68 ft (20.73 m)
Linear Field of View (@1000 m) : 23 m (75.46 ft)
Eye Relief : 20 mm (0.79 in)
Near Focus (Binoculars) : 15 ft (4.57 m)
Optical Coatings : Multi-Coated
Tripod Adaptable : Yes
Camera Adaptable : Optional T-Adapter
Optical Tube Length : 16 in (406.4 mm)
Weight : 5 lbs (2.27 kg)
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