Explore Scientific Focal Extender Barlow Lens to Increase Focal Length for Telescopes

With the Teleconverter can extend the focal length of your telescope thus increasing the magnification for planetary observations dots, or small objects of deep-sky. In this way, you can have the advantages of the eyepiece of focal length eyepieces such as the great distance or the pleasurable observation in big enlargements.This extension of the focal distance of high correction Offers an excellent quality of the image in the full field of vision thanks to its design of 4 lenses together the qualities necessary for an excellent visual observation and photography. The combination of scratches with and an anti-reflective lens coating telec ntrico design make this extension in a product significantly higher to the Barlow lens.Properties Suitable For Visual observation and photographyThree-fold increase the effective focal lengthDesign of 4 lensesFull multi coatingFilter thread for filters chromatic Nebula andContent of the delivery 3 x TeleAdapter 2 (50.8) up to 1.25 (31,7 mm)