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For manual equatorial observation, the Omegon N 130/920 EQ-2 Telescope combines a 130mm spherical reflector with 920mm focal length, flexible slow-motion cables, and supplied planetary accessories.
- 130mm aperture provides 0.89-arcsecond resolution
- 920mm focal length uses f/7.1 optics
- EQ-2 mount provides slow-motion tracking
- 25mm and 10mm eyepieces included
- 6x30 finder and counterweight included
Featuring EdgeHD field-flattening optics, the Celestron SC 356/3910 EdgeHD 1400 Cassegrain OTA combines a 355.6mm aperture with 3910mm focal length and Losmandy-style mounting.
- 355.6mm aperture provides 0.33-arcsecond resolution
- 3910mm focal length uses f/11 optics
- EdgeHD design includes integrated field flattener
- 23mm eyepiece, diagonal, dovetail included
With a 300mm aperture and f/4 optics, the Orion CT12 300/1200 Carbon Newtonian OTA provides a fast Newtonian imaging platform with quartz primary construction.
- 300mm aperture provides 0.39-arcsecond resolution
- 1200mm focal length uses f/4 optics
- 2-inch Octoplus focuser provides 10:1 adjustment
- Carbon tube and Losmandy rail included
- 1/10 PV wavefront report included
Carbon construction supports the thermal configuration of TS Optics Photoline AP 140/910 Carbon OTA, combining 140mm ED doublet optics, 910mm focal length, f/6.5 performance, full-frame compatibility, a 3.7-inch focuser, Losmandy mounting, and CNC rings.
- 140mm apochromatic ED doublet
- 910mm focal length, f/6.5 optics
- Carbon fiber optical tube
- 3.7-inch dual-speed focuser
High-resolution triplet performance defines TS Optics Photoline AP 140/910 ED Triplet OTA, combining 140mm aperture, 910mm focal length, f/6.5 optics, FPL-53 glass, full-frame coverage, a 3.7-inch focuser, Losmandy mounting, rings, and case.
- 140mm apochromatic triplet refractor
- 910mm focal length, f/6.5 optics
- Ohara FPL-53 ED element
- 3.7-inch heavy-duty focuser
- Includes rings, adapter, case
As a modular optical tube, Vixen ED80Sf AP 80/600 OTA combines 80mm ED optics, 600mm focal length, f/7.5 performance, full-frame field coverage, dual-knob focusing, Vixen mounting, finder, diagonal, eyepieces, and a hard case.
- 80mm apochromatic ED doublet
- 600mm focal length, f/7.5 optics
- 2-inch Crayford focuser
- Mount not included
- Includes finder, diagonal, eyepieces
Super-low-dispersion triplet optics define Tecnosky AP 130/900 SLD OWL Triplet OTA, combining 130mm aperture, 900mm focal length, f/6.92 performance, FPL-53-class glass, full-frame coverage, a 3.7-inch focuser, and Losmandy mounting.
- 130mm apochromatic triplet refractor
- 900mm focal length, f/6.92 optics
- 3.7-inch heavy-duty focuser
- 44mm full-frame image coverage
- Includes rings, adapter, flight case
For independent mounting, the Meade ACF-SC 152/1524 LX85 OTA combines a 152mm Advanced Coma-Free system with 1524mm focal length, UHTC coatings, and Vixen-style attachment.
- 152mm aperture provides 0.76-arcsecond resolution
- 1524mm focal length uses f/10 optics
- ACF design uses UHTC coatings
- 8x50 finder and diagonal included
- Vixen dovetail and carrying case included
The 400mm Newtonian reflector optical tube assembly, Orion VX16 400/1600 Newtonian OTA, combines a parabolic primary mirror, 1600mm focal length, f/4 optics, aluminum construction, dual-speed focusing, and a 1/6 PV Zygo report.
- 400mm parabolic Newtonian primary mirror
- 1600mm focal length, f/4 optics
- 2-inch ACU-2S Crayford focuser
- Includes rings, dovetail, Zygo report
A 150mm triplet refractor defines Skywatcher AP 150/1050 ESPRIT-150ED Professional OTA, combining a 1050mm focal length, f/7 optics, dedicated field flattener, 3.4-inch focuser, full-frame coverage, Losmandy mounting, finder, diagonal, adapter, and hard case.
- 150mm apochromatic triplet refractor
- 1050mm focal length, f/7.0 optics
- Dedicated two-element field flattener
- 3.4-inch dual-speed linear focuser
- Includes diagonal, finder, adapter, case
As a modular optical tube, Skywatcher AC 150/1200 EvoStar OTA provides 150mm achromatic optics, a 1200mm focal length, f/8 configuration, 2-inch focusing, T-2 camera threading, Vixen mounting, finder, diagonal, and rings.
- 150mm achromatic refractor optical tube
- 1200mm focal length, f/8.0 optics
- 2-inch focuser with T-2 thread
- Mount not included
- Includes rings, finder, diagonal, eyepieces
Supplied as an independent Cassegrain optical tube, the Omegon Pro CC 154/1848 Cassegrain OTA combines a 154mm aperture with 1848mm focal length and a dual-speed Crayford focuser.
- 154mm aperture provides 0.75-arcsecond resolution
- 1848mm focal length uses f/12 optics
- True Cassegrain uses hyperbolic secondary
- Vixen dovetail and extension rings included
The 3.0-meter radio telescope system, PrimaLuceLab Radio Spider 300A with Waterproof Mount, includes a prime-focus parabolic mesh dish, 1420 MHz feedhorn, low-noise amplifier, waterproof mount, receiver, and control software.
- 3.0-meter aluminum mesh dish
- 1420 MHz optimized H-LINE feedhorn
- WP-100 waterproof alt-azimuth mount
- Includes LNA, receiver, control software
- 2-year manufacturer warranty
Designed for large observatory imaging systems, Orion ODK16 400/2720 Dall-Kirkham OTA features a 400mm optimized Dall-Kirkham design, 2720mm focal length, f/6.8 optics, integrated correction, and a carbon fiber tube.
- 400mm optimized Dall-Kirkham optical design
- 2720mm focal length, f/6.8 optics
- Integrated doublet field corrector lens
- 3-inch focuser with 10:1 micro-focus
Built around a 250mm optimized Dall-Kirkham design, Orion ODK10 250/1700 Dall-Kirkham OTA features an integrated doublet corrector, 1700mm focal length, f/6.8 optics, and a 3-inch dual-speed focuser.
- 250mm optimized Dall-Kirkham optical design
- 1700mm focal length, f/6.8 optics
- Integrated doublet field corrector lens
- 3-inch rack and pinion focuser
- Includes Losmandy dovetail and test report
The 200mm Maksutov-Cassegrain optical tube assembly, Orion OMC 200/4000 Carbon Deluxe Maksutov OTA, provides a 4000mm focal length, f/20 optics, carbon fiber construction, internal focusing, and a Losmandy-style dovetail system.
- 200mm Gregory-style Maksutov-Cassegrain design
- 4000mm focal length, f/20 optics
- High-precision internal primary focusing
- Includes rings, dovetail, wavefront certificate
As an independent optical tube, the Bresser MC 90/1250 Messier Maksutov OTA provides a 90mm Maksutov-Cassegrain system with 1250mm focal length and compact Vixen-style mounting.
- Standalone 90mm Maksutov optical tube
- 1250mm focal length uses f/13.9 optics
- 26mm image circle supports listed coverage
- Internal mirror focuser provides optical adjustment
- 26mm eyepiece and Vixen dovetail included
- 1.4kg tube weight is specified
For long-focus deep-sky and planetary work, the Orion CT12L 300/1590 Carbon Newtonian OTA combines a 300mm aperture with 1590mm focal length and a low-obstruction secondary configuration.
- 300mm aperture provides 0.39-arcsecond resolution
- 1590mm focal length uses f/5.3 optics
- 21% secondary obstruction is specified
- 2-inch Octoplus focuser provides 10:1 adjustment
- Wavefront report and Losmandy rail included
Designed for long-focus planetary observation, the Orion CT10L 250/1575 Carbon Newtonian OTA combines a 250mm parabolic mirror with 1575mm focal length and carbon fiber construction.
- 250mm aperture provides 0.46-arcsecond resolution
- 1575mm focal length uses f/6.3 optics
- 2-inch Octoplus focuser provides 10:1 adjustment
- Carbon tube and Losmandy rail included
- 1/10 PV wavefront report included
Supplied as an independent optical tube, the Omegon Pro Astrograph 304/1200 OTA provides a 304mm quartz Newtonian with 1200mm focal length and a 3-inch monorail focuser.
- 304mm aperture provides 0.38-arcsecond resolution
- 1200mm focal length uses f/4 optics
- 3-inch monorail focuser provides 10:1 adjustment
- Losmandy plate and extension rings included