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The advantages of the Ritchey-Chrétien telescopes are very well known.

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The PRO RC design is a two element combination of hyperbolic mirrors designed by the most experienced optical engineers with the objective of providing outstanding optical performances. The use of specially figured optical elements results in a superb optical quality, suited for the most demanding researchears, astroimagers and professional use. Maximum light transmission, widest spectral range and a highly corrected large field are the features of the PRO RC design.

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Without the optional flattener lens group which is an easily user add on optionaland thanks to the versatility of the highly corrected hyperbolic design, HAINAUT femei singure datand professionals can work with an all reflective system, with increased light transmission and the widest possible spectral range.

All telescopes can be provided with its own interferometric report, stating and certifying the overall quality. Officina Stellare offers both low expansion glass borosilicate, Pirex or similar or near zero expansion ceramic glass substrate options Ohara Clear Ceram Z HS, Japan, which is one of the best ceramic glass available on the market today.

This guide explains and demystifies stargazing, teaching you to recognise different objects such as moons, comets, and asteroids, and explains how they move through the sky over the course of the night and the year. The Practical Astronomer begins with observation with the naked eye, and illustrated introductions show you how to set up and use binoculars and telescopes, and how to take your own pictures. Clear star charts guide you through the Northern and Southern hemispheres, using brighter stars as signposts to locate harder-to-see objects. A brand-new almanac section tells you the best time of the year to view every planet and includes details of eclipses.

Only full CNC machined parts are used to guarantee the best possible precision. Only special aluminum alloy, stainless steel, titanium and brass metals are used for long lasting, low maintenance operations.

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High resistance anodization or multiplayer paint for unbeatable resistance to environmental conditions. Unique and innovative design of both primary and secondary mirror holding cells.

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Absolutely no astigmatism is induced on the mirrors and the absence of mirror shift or flop is guaranteed. Fastest possible thermal stabilization time, thanks to the mechanical design of cells and to the presence of high quality fans.

Simple to use, efficient and absolutely rock solid collimation system.

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