Precision 5-Inch Optics for High-Resolution Astronomy
The SVBONY MK127 Maksutov-Cassegrain Telescope OTA is a compact yet powerful 127mm (5-inch) optical tube designed for astronomers who demand sharp, high-contrast views of the Moon, planets, double stars and deep-sky objects.
With a 1500mm focal length and f/11.8 focal ratio, the MK127 is particularly well suited to high-magnification observations. Its advanced Maksutov-Cassegrain optical system combines a meniscus corrector, precision primary mirror and a separate secondary mirror, providing excellent correction of optical aberrations and delivering crisp, detailed images.
The MK127 also features a 99% reflective dielectric-coated secondary mirror, helping maximise optical efficiency and contrast. A precision dual-speed focusing system provides both coarse and fine focusing, making it easier to achieve critical focus when observing planets, lunar features and close double stars.
Versatile Optical Performance
One of the standout features of the MK127 is its supplied 0.65× focal reducer. With the reducer installed, the telescope changes from approximately f/11.8 to f/7.68, providing a wider field of view and making the telescope more versatile for larger celestial targets and astrophotography.
The OTA also provides compatibility with 1.25-inch and 2-inch accessories, along with T-mount connectivity, giving astronomers considerable flexibility when configuring their observing or imaging setup.
Key Features
127mm (5-inch) Maksutov-Cassegrain optical system
1500mm focal length for high-resolution planetary and lunar observation
f/11.8 native focal ratio
0.65× focal reducer included, reducing the focal ratio to approximately f/7.68
Separate secondary mirror for improved optical correction and high contrast
99% reflective dielectric coating on the secondary mirror
Dual-speed internal focuser for precise focusing
1.25-inch and 2-inch accessory compatibility
T-mount compatibility for astrophotography applications
Vixen-style dovetail mounting system
Compact and portable metal optical tube
Suitable for both visual astronomy and astrophotography