Optec Telecompressor Lens
Best wide-field accessory for deep-sky astrophotography enthusiasts.
This focal reducer effectively shortens the focal length of specific high-end telescopes, allowing for wider fields of view and faster imaging. It is engineered to maintain optical integrity without overcorrecting, making it a reliable choice for astrophotographers looking to optimize their setup for deep-sky capture.
$350.00
Who it's for
- Astrophotographers needing shorter exposure times for deep-sky imaging
- Wide-field observers capturing expansive nebulae and star clusters
- Full-frame camera users requiring edge-to-edge image clarity
Who should skip it
- Beginners intimidated by precise, millimeter-level back focus calibration
- Budget-conscious hobbyists seeking affordable focal reduction options
- Owners of short focal length telescopes seeking broader compatibility
Performance breakdown
Field reduction efficiency
Significantly widens your field of view for expansive deep-sky imaging.
Optical clarity
High-quality glass maintains sharp focus across the entire sensor plane.
Build durability
Robust metal housing withstands the rigors of frequent field setup changes.
Compatibility range
Best suited for specific Schmidt-Cassegrain systems, limiting universal telescope use.
Ease of installation
Simple threaded design allows for quick attachment to standard visual backs.
Vignetting control
Effective light transmission, though minor edge darkening occurs on larger sensors.
Key Specs
Magnification Factor
0.62x
Optical Elements
4
Compatibility
Celestron 8", 9.25", and 11" EdgeHD telescopes
Back Focus
105 mm (without adapters), 55 mm (with M42 adapter)
Sensor Coverage
Up to 28 mm diagonal
Warranty
1 Year
Still have a question?
Ask Metto anything about the Optec Telecompressor Lens before you decide.
