This Barlow lens features a high grade optical lengths that almost (x1.8, not x2) doubles the focal length of whatever eyepiece you are using with it.
It will for example, when attached onto a 20mm plossl, turn it into a 12mm Plossl.
This allows your eyepiece to get a different, and perhaps more useful focal length.
- Fits all 1.25″ Telescope Eyepieces
- High Quality Optics for a better image
- Compact and Lightweight
- Features a compression ring allowing for a better grip
- Multi-coated and Blackened
- CNC Machined Metal – Not plastic
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