Barlows and Extenders

This is the 2" counterpart of our famed 1.25", 2x/1.5x Barlow lens. It is well made both in design and craftmanship. Both lenses are fully multicoa...

APM Comacorrecting 1 1/4" ED Barlow Element 2.7 xDesigned by Gerd Düring / GermanyOur totally new photo-visual apochromatic Barlow with real ED gla...

APM Comacorrecting 1 1/4" ED Barlow 2.7 xDesigned by Gerd Düring / GermanyOur totally new photo-visual apochromatic Barlow with real ED glass, calc...

APM Comacorrecting 1 1/4" ED Double Barlow 6.25 xDesigned by Gerd Düring / GermanyOur worldwide unique photo-visual apochromatic 2.7x Barlow with r...

APM 2 inch coma-correcting telecentric 1.5x Barlowby the well known physicist and optic designer Philipp KellerSome times past APM Telescopes intro...

Baader Planetarium Q-Barlow 2.25x / 1.3xThis high-quality 2.25x Barlow made of exotic glasses provides the rare extension factor of 2.25x. So, ther...

The Baader Planetarium VIP Modular Barlow is a complete high quality 2X photo-visual barlow system. The VIP (VIsual and Photographic) barlow is ing...

The Baader Hyperion Zoom Barlow quickly attaches to any Hyperion 8-24mmm Clickstop zoom eyepiece, instantly converting it into a 3.5-10.5mm Zoom. T...

Telecentric with 2" outer diameter and T-2 threads on both sides Aplanatic, with 2x focal length extension to achieve a parallel f/30 beam in conj...

Baader Telecentric Systems for focal length extension for supplying a parallel optical beam and for providing sufficient backfocus, in conjunction ...

Telecentric with 2" outer diameter and T-2 threads on both sides Aplanatic, with 4x focal length extension to achieve a parallel f/30 beam in conj...

Features The Celestron 2.5x Luminos Barlow increases the magnification of any 2" or 1.25" eyepiece by two and a half times High-quality 4-element o...

Features Double the magnification of each eyepiece you own with the Omni 2X Barlow Lens Keep the eye relief of your eyepieces while getting 2X the ...

Features Quality X-Cel LX 2x Barlow doubles the magnification of any 1.25" eyepiece 3-element apochromatic, fully multi-coated optics offer up brig...

Features Quality X-Cel LX 3x Barlow triples the magnification of any 1.25" eyepiece, perfect for owners of fast, short focal length telescopes 3-el...

A good Focal Extender adds some real versatility to your telescope accessory line-up. First of all, it allows you to increase the magnification of ...

The Explore Scientific 2X Focal Extender (2.0-inch O.D.), accepts both 1.25-inch O.D. and 2.0-inch O.D. format eyepieces and camera adapters. Fully...

A good Focal Extender adds some real versatility to your telescope accessory line-up. First of all, it allows you to increase the magnification of ...

The Explore Scientific 3X Focal Extender (2.0-inch O.D.), accepts both 1.25-inch O.D. and 2.0-inch O.D. format eyepieces and camera adapters. Fully...

A good Focal Extender adds some real versatility to your telescope accessory line-up. First of all, it allows you to increase the magnification of ...

2x magnification Barlow lens specifically designed for binoviewers Increases magnification while maintaining focus with binoviewer setups ...