Orion Optics Standard Grade Optics is 1/4 PV or Better. It is fitted to Orion Optics Europa range and is supplied with an appropriate secondary mirror. Available with Hilux Enhanced or Standard Optical coatings.

Orion Optics Professional Grade Optics is 1/6 PV or Better. Superb optics which are fitted to Orion Optics GX range, the most popular higher end range of Newtonians telescopes. Hilux Enhanced or Standard optical coatings. Includes appropriate secondary mirror. Supplied with full Zygo interferometer report.

Orion Optics Research Grade Optics is 1/8 PV or Better. Ultimate performance optics which are fitted to Orion Optics SPX range. Supplied with Zygo GPI Interferometer report. Hilux Enhanced or Standard optical coatings. Includes appropriate secondary mirror. Orion Optics Ultra Grade Optics is 1/10 PV or Better. Orion Optics Ultra range has Strehl values typically around 99% with PV values often better than 1/10PV. Supplied with Zygo GPI Interferometer report. Hilux Enhanced optical coating. Includes appropriate secondary mirror.

All the above types of optical sets are available in various sizes and ratios, really too numerous to list all of them here. A few of the most commonly requested sizes are in the list below but for others do please contact us at 020 7935 2580 or email to simon@widescreen-centre.co.uk