With Jupiter and good seeing and high power, I can firm that the TV 2.5x Powermate was far superior to my old 2x Meade barlow. Although I was pushing at even higher power with the Powermate, the image flatness, control and sharpness was so much better than the barlow. You could tell the barlow was doing 'something' to the image, but the Powermate simply amplified in very clean manner, it's hard to describe. Fox
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