Precision multi-coated Vixen dual purpose 2X Barlow lens with removable threaded amplifying lens and male M42 x 0.75 camera atachment thread.
1. Can be used visually to double the power of any inserted eyepiece while preserving comfortable viewing.
2. Conveniently threaded at the top of the barrel housing for easy attachment to standard T-ring camera adapters for use in astrophotography. Perfect for digital SLR users to increase image scale when targeting subjects like small nebulae, double stars, the planets, sunspots and lunar craters.
3. Removable 1.25 inch threaded tele-negative lens can also be used for experimental barlow stacking work in lunar, solar or planetary imaging while the housing can also be utlised as a push-back spacer where more outward focus is needed.