Experiencing the ORION 180MM MAKSUTOV

摘要

The term 'planetary telescope' has long remained somewhat tenuous in the eyes of experienced visual observers. While many consider a mediumaperture, high-end refractor as a perfect instrument in this regard, others continue to extol the virtues of the much more economical, but high-quality Newtonian of 250mm (10-inch) aperture and f-ratio of 6 or greater. In addition, these days good quality, mass produced catadioptrics have proven extremely popular among visual observers and imagers alike, owing to their decent apertures and ease of transportation.