Offering stellar optimisation within light engine applications, our Achromatic Doublet Lenses are specified by a range of industry-leading names within the sector. Helping to homogenise and collimate ...
This Black Friday weekend, the Sky-Watcher EvoStar 120 APO Doublet Refractor is 20% off and is a must-buy if you are a seasoned skywatcher or looking for an upgrade on your current instrument. When ...