Skywatcher Cheshire Collimator PRO SynScan with worked examples from three

with worked examples from three popular software packages - Nebulosity

allowing you to start observing sooner

remote operation friendly features such as home and limit optical sensors

Just hold your smart device up to the night sky

Protective rubber covering for ultra-firm grip

Skywatcher Cheshire Collimator PRO SynScan with worked examples from threeFor the alignment of newtonian telescope mirrors. With the help of this Cheshire type collimator you can easily align the optics of your reflector telescope. Just slide the collimator into the focus tube of your telescope and find out whether the mirrors are adjusted properly or not.