Sky Mentor 5X Five Element Barlow Lens - 2" - 5X5BAR-2 2" Diagonals particularly on Jupiter and Mars

particularly on Jupiter and Mars

light transmission can be varied between about 2% and 40%

Filter Type: Solar H-Alpha

The Tele Vue 3mm-6mm Nagler Zoom is small

One aspect to optimizing this correction is the distance of the eyepiece's focus point (field stop location) to the last surface of the Paracorr lens (within a small +/- tolerance of course)

Sky Mentor 5X Five Element Barlow Lens - 2" - 5X5BAR-2 2" Diagonals particularly on Jupiter and MarsSky Mentor 5X Five Element Barlow Lens 2" The Sky Mentor 5X Five Element Barlow Lens 2" will come in handy for extending the effective focal length of short tube telescopes, to give them more magnifying power. It is the most powerful 2 inch barlow in existence, period! This five element Barlow lens employs a sophisticated 5 element lens configuration engineered to render optically flatter, sharper images than standard barlows can provide. The lenses