Tele Vue Optics Powermates:

Revolutionary Image Amplification Technology

Innovative Design by Al Nagler: A 4-element form that surpasses the traditional Barlow lens, offering a universally applicable solution with a positive field lens to maintain ideal exit pupil position.
Optimized for All Focal Lengths: Specially designed to retain eye-relief of long focal length eyepieces while delivering high magnification.
Barlow vs. Powermate™ Comparison: Powermates™ function as magnification amplifiers without the common limitations of Barlows, such as vignetting and altered eye relief in long focal length eyepieces.
Telecentric Operation: Ideal for specialized applications like Hydrogen-alpha filter use, maintaining parallel field rays unlike diverging rays in Barlow lenses.
Advanced Imaging Capabilities: Powermates™ excel in both visual and imaging applications, compatible with CCD or film for exceptional Earth-based planetary imaging.
High Magnification Potential: Offers greater magnification possibilities with superior optical performance compared to doubling up Barlows.
Parfocal and Nearly Constant Magnification: All models are essentially parfocal, maintaining near-constant magnification regardless of image distance (except the 5x model).
Premium Build Quality: Features full multi-coating, safety undercuts, captive lock screws, and filter threads, backed by Tele Vue’s rigorous QC program.
Versatile Compatibility: Suitable for use with a wide range of telescopes and eyepieces. For instance, a 24mm Panoptic effectively becomes a 12mm eyepiece with the 2.0x Powermate™.
Solar System Imaging Excellence: Powermates™ are renowned for their role in capturing some of the finest Solar System images, including the 2017 Solar Eclipse.
Dedicated Imaging Accessories: Includes Powermate T-Ring Adapters for direct attachment to cameras or T-threaded accessories.
Enhanced Visual and Astronomical Photography: Aids in achieving the required focal length for detailed imagery of celestial bodies, offering prime focus photography without an eyepiece.
Streamlined Solar Observations: Powermates™ are integral in high-end solar telescope setups, compatible with narrow-band filters for live-streaming solar events.

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