Product Overview
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.
Specifications
Magnification | 39x (with included eyepiece) |
Objective Lens Diameter | 90mm (3.54") |
Eyepieces | 32mm Plossl (1.26") |
Angular Field of View | 1.3° with included eyepiece |
Linear Field of View (@1000 yds) / @1000 m) | 68 ft (20.7 m) with included eyepiece |
Focal Length | 1250mm (49") |
Exit Pupil | 2.3mm (0.1") with included eyepiece |
Eye Relief | 20mm (.78") with included eyepiece |
Close Focus | 15 ft (4.6 m) with included eyepiece |
Twilight Factor | 59.2 with included eyepiece |
Relative Brightness | 5.3 with included eyepiece |
Lens Coatings | Multi-Coated |
Prism Glass (Type) | BaK4 |
Prism Coatings | N/A |
Weight | 74 oz (2,100 g) |
Environmental Protection | Water Resistant |
Nitrogen Filled | No |
Tripod Adaptable | Yes |
Carrying Case | Black heavy woven nylon backpack |
Camera Adaptable | Yes |
Dimensions | 400mm x 260mm x260mm (15.7" x 10.2" x 10.2") with include eyepiece |
Included Accessories | Plossl 32mm eyepiece | 45° diagonal | 8x21 finderscope | Objective Lens Cover | Eyepiece Lens cap | Backpack Case |