Telescope MC1400x100EQ7/AT3
Maksutov-Cassegrain Telescope Named after Russian optician Dmitri Maksutov (1896-1964), the Maksutov telescope is a type of Cassegrain reflecting telescope that uses a spherical primary mirror in conjunction with a meniscus-shaped correcting plate at the entrance pupil in order to correct for spherical aberration. It differs from the similar Schmidt-Cassegrain telescope design in that the meniscus-shaped corrector plate allows for the use of an easily fabricated spherical secondary mirror rather than the hyperbolic mirror required for the Schmidt telescope. The Maksutov design also has excellent correction for off-axis aberrations such as coma, which is a significant problem in the simpler Newtonian reflecting telescope. In some configurations, the Maksutov secondary mirror can be generated by simply silvering the central portion of the inner surface of the corrector plate. In this type of configuration, the Maksutov design has been mass-marketed as an inexpensive, very compact small-aperture telescope by several major manufacturers. The chief disadvantage of the Maksutov design is that it does not scale up well to even moderate apertures (>200mm), since the corrector plate rapidly becomes prohibitively large and heavy as the aperture increases.
Maksutov-Cassegrain A catadioptric telescope that uses a thick and deeply-dished spherical corrector lens to correct for the spherical aberration of its spherical primary mirror - an all-spherical design that keeps its collimation virtually indefinitely. Its typically long focal ratio and small secondary obstruction yield higher contrast and resolution than any other catadioptric or reflector design.
Technic Data
Description: 100mm (4-inch) Maksutov Cassegrain
Aperture : 100mm (4-inch)
Focal length (f): 1400mm (55"), f/14
Equatorial mount: EQ7 German Equatorial Mount
Finderscope: 8x21mm
Tripod: AT3, two section adjustable, large collapsible aluminum tripod with accessory tray Standard Accessories (1.25-inch) :
Eyepiece: K6mm, RK20mm,
Moon filter, Sun filter
31.7mm (1.25-inch) focuser
31.7mm (1.25-inch) 45° diagonal prism
Angular Resolution: 1.145 arcsec
Maximum Useful Magnification: 197X
Limiting Magnitude: 13.9
Packing list/Set
100mm (4-inch) Maksutov Cassegrain Telescope 1 pc
EQ7 German Equatorial Mount 1 pc
8x21mm Finder Scope 1 pc
AT3, Two section adjustable aluminum tripod with accessory tray 1 pc
31.7mm (1.25-inch) Eyepiece K9mm, RK20mm, 1 ea
Moon filter, Sun filter 1 ea
Eyepiece Cleaning Cloth 1 pc
Instruction Manual 1 PC
