APM-LZOS on Stock Apo's >123 mm F/6 & 130 mm F/6

Unlike many optical companies, LZOS not only design and manufacture all types of optical devices, they are also a maker of optical glass. This allows LZOS to control the whole optical process from glass manufacture to final lens cell assembly. This complete understanding of the whole manufacturing process allows LZOS astronomical optics to achieve a level of performance and consistency that is rarely equalled at all, let alone across the range of lens options available.


It is very common these days to see FPL-53 Super ED glass advertised as being part of an Apochromatic Refractor. Indeed APM uses this fine glass in our 80-480 and 107-700 Telescopes. FPL-53 is used as it has optical properties close to Fluorite crystal. LZOS do not use FPL-53. Instead they manufacture there own Fluorite crystal substitute designated OK-4. Unlike O?Hara, LZOS have the manufacturing capability to produce large sizes of this exotic glass allowing APM to offer Refractor objectives up to 510mm, the largest currently available. This expertise make APM / LZOS telescopes unique. We are the only telescope manufacturer who is involved at every stage of the lens building process. From the actual manufacture of the optical material, the long cooling process to form the blanks, the complete design of the lens cell including the elements and mounting, the grinding, polishing and multi-coating and final aligning and star testing. No other manufacturer has this much control over the optical assembly which is why APM / LZOS optics are a breed apart.


All APM Telescopes that feature LZOS optics are custom made for our clients. Each and every lens cell is supplied with an optical test report guaranteeing it has achieved a minimum standard of 95% Strehl. This is a minimum standard and usually exceeded. We believe that any APM-LZOS Telescope offers a level of performance equalled by very few and exceeded by no one. It is an absolute guarantee of excellence.



the follow Optics are on stock to sell or build for you your dream apo:




- 2 pc APM-LZOS 130 mm F/6 ...OTA starting at $ 5,000.00

- 7 pc APM-LZOS 123 mm F/6 ...OTA starting at $ 6,000.00





worldclass optics, american focusers, german tube mechanics...but the best of the world when you buy a APM-LZOS Apo



we carry on top worldclass Field Flatteners with fully illuminated image circles of 60 mm and 0.75 x Apo Reducers with 52 mm image designed by the lenegendaery optical designer Massimo Riccardi



contact us now for your purchase


Markus Ludes
APM-Telescopes