Sky-Watcher off axis guide is designed for use with DSLR and CCD cameras, this low profile Off-Axis guider is a convenient alternative to using a separate conventional guide scope for astrophotography, offering several advantages. This guider allows for more precise tracking as mechanical flexure and image shift are eliminated from the system. The main camera and guiding camera will always move accurately together. The overall system is much lighter and more compact as a separate guide scope is not needed. This off axis guider makes it easier to notice and correct tracking errors. Supplied with 2” to M48, and M42 to 2” adaptors.