Sky Mentor 5X Five Element Barlow Lens - 2" - 5X5BAR-2 2" Diagonals One aspect to optimizing this

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)

Fully Multi-Coated Opitcs: Increased light transmission for brighter views and more resolution

25" - Satin Black Specifications

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

Sky Mentor 5X Five Element Barlow Lens - 2" - 5X5BAR-2 2" Diagonals One aspect to optimizing thisSky 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