The 1.25" 2.5x Tele Vue Powermate "Image Amplifier" is an exceptional product that delivers exactly what is promised. Solid construction and flexibility for visual and imaging with all types of scopes and eyepieces make this unit an excellent value.
This is a great barlow in spite of the somewhat high price. It does perform better than regular barlows, and I feel this makes it an excellent choice for high-power lunar or planetary observing or photography.
I had wanted a TeleVue 2.5 x Powermate for a long time and finally saw an older setscrew version on Astromart at a bargain price. It is everything that TeleVue advertises it to be. The only effect is has is to increase the magnification (and of cou