【INTERFACE】:1.25 inch Interface with M42x0.75mm thread, which can be used to connect the camera for photography (NOTE: Need to purchase Corresponding bayonet adapter ring)
【FUNCTION】:Extend the focal length of objective lens so as to increase the original magnification of the astronomical telescope,making viewing comfortable.
【LENS】:Adopt optical glass, multi-layer broadband coating, increase the transmittance, imaging more clear
【USES】:Simple installation, small size, easy and convenient to use.
Features:
1. Low dispersion
2. Metal structure, strong and durable
3. High imaging quality
4. Suitable for all 31.7mm interface astronomical telescope
5. Optical element, it can increase the magnification by 5 times