Barlows and Extenders

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 ...

Magnification: 2.5x Barrel Size: 1.25" Optical Design: 4-Element Pupillary Corrector Compatibility: Visual and Photographic Use Filter Threads: Ye...

Magnification Factor: 2x Barrel Size: 1.25" Optical Design: 2-Element, Fully Multi-Coated Eyepiece Holder: Brass Compression Ring Filter Threads: ...

Magnification Factor: 2x Barrel Size: 2" with 1.25" Adapter Optical Design: 4-Element, Telecentric Coatings: Fully Multi-Coated Filter Threads: Ye...

Magnification Factor: 2x Barrel Size: 2" Optical Design: 4-element Telecentric Amplifier Coatings: Fully Multi-Coated Filter Threads: Yes (48mm / ...

Magnification Factor: 3x Barrel Size: 1.25" Optical Design: 3-element, apochromatic Coatings: Fully multi-coated Compression Ring: Yes, brass Filt...

Magnification Factor: 4x Barrel Size: 2" Optical Design: 4-Element Pupillary Corrector Compatibility: 2" and 1.25" Eyepieces (with adapter) Primar...

Magnification Factor: 5x Barrel Size: 1.25" Optical Design: 4-Element Telecentric Weight: 0.5 lbs / 227g Total Height: 3.1" / 79mm T-Ring Adapter ...

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