Astromania 2" ED 2x High-quality dual power Telescope Barlow Lens for Telescopes. Most large telescopes have a 2" focuser. You can use this to your advantage by using a 2" Barlow lens and discovering all the additional advantages this can offer.
The advantages:
ED glass element to reduce colour aberrations
2" Barlow lens for 2" and 1.25" accessories
1.25" reducing sleeve for attaching 1.25" accessories
Doubles the focal length of the telescope
large lens diameter gives excellent illumination
Safety groove to stop lens falling out
2" filter thread
- More aperture provide good image with high contrast; ED glass means visible colour aberrations are reduced to minimum with sharp image; all lens surfaces have been provided with multi coated to reduce reflections
- For astrophotography; sometimes more focal length is required in order to be seen at a reasonable size in the image especially for compact objects; there is also no shadowing apparent on small image format camera chips for big plus
- Larger diameter has more scope for lenses: 2 inch diameter allows to insert 2 inch eyepieces into this barlow with double magnification; the large lens diameter also means you will notice no shadowing in the image
- Ergonomically designed: clear starry nights can be cold in summer means there is no choice but to wrap up warmly; has been designed with high grip exterior to provide a good grip means it is easy to handle securely even with gloves on
- Simply be unscrewed and then screwed into any 2 inch eyepiece; This Barlow element is correctly threaded for this purpose; 2 inch filter thread provided on the lower part of the barlow and on the reducer adapter for using filters
- More aperture provide good image with high contrast; ED glass means visible colour aberrations are reduced to minimum with sharp image; all lens surfaces have been provided with multi coated to reduce reflections
- For astrophotography; sometimes more focal length is required in order to be seen at a reasonable size in the image especially for compact objects; there is also no shadowing apparent on small image format camera chips for big plus
- Larger diameter has more scope for lenses: 2 inch diameter allows to insert 2 inch eyepieces into this barlow with double magnification; the large lens diameter also means you will notice no shadowing in the image
- Ergonomically designed: clear starry nights can be cold in summer means there is no choice but to wrap up warmly; has been designed with high grip exterior to provide a good grip means it is easy to handle securely even with gloves on
- Simply be unscrewed and then screwed into any 2 inch eyepiece; This Barlow element is correctly threaded for this purpose; 2 inch filter thread provided on the lower part of the barlow and on the reducer adapter for using filters
