Description:
Compact Maksutov-Cassegrain telescope optical tube outfitted for daytime terrestrial use - just add a tripod!Excellent for daytime use as a versatile spotting scope capable of high magnification viewsDuring the night the Apex 127 provides sharply detailed views of the Moon, brighter planets such as Mars, Jupiter, and Saturn as well as open and globular star clusters and cloudy nebulasTripod not included - altazimuth or field tripod will provide a solid foundation for the Apex 127 (mount and/or tripod sold separately)Includes a 25mm Sirius Plossl 1.25" eyepiece, 6x26 finder scope, 45-degree correct-image diagonal, soft carry case, Starry Night astronomy software, and more!
Specifications:
You are watching: Orion apex 127mm maksutov-cassegrain telescope
Optical design: Maksutov-Cassegrain
Optical diameter: 127mm
Finder scope lens diameter: 26mm
Focal length: 1540mm
Focal ratio: f/12.1
Eyepieces: Sirius Plossl 25.0mm (1.25")
Magnification with included eyepieces: 61x
Resolving power: 0.91arc*sec
Lowest useful magnification: 18x
Highest useful magnification: 254x
Limiting stellar magnitude: 13.2
Optical quality: Diffraction limited
Finder scope: 6x26 Correct-image
Focuser: Internal
Diagonal degrees: 1.25" 45° Prism Correct-image
Secondary mirror obstruction: 39mm
Secondary mirror obstruction by diameter: 31%
Secondary mirror obstruction by area: 9%
Mirror coatings/over-coatings: Aluminum & Silicon Dioxide
Mount type: Optical Tube without Mount
Astro-imaging capability: Lunar & planetary
Tube material: Aluminum
Length of optical tube: 14.5 in.
Weight, optical tube: 8.6 lbs.
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