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.

GENERAL 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 32 mm Eyepiece, 45° Erect Image Diagonal and 8x21 Erect Image Finderscope

• Backpack Made of Nylon

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 °
EYEPIECE 1  : 32 mm (1.26 in)
MAGNIFICATION 1  : 39 x
CARRYING CASE  : Backpack made of nylon
ANGULAR FIELD OF VIEW  : 1.3 °
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)
OPTICAL COATINGS : Multi-Coated
TRIPOD ADAPTABLE  : Yes
CAMERA ADAPTABLE  : Optional T-Adapter
OPTICAL TUBE LENGTH  : 16 in (406.4 mm)
WEIGHT  : 5 lb (2.27 kg)