
Apochromatic refractors for astrophotography and observation
APM Telescopes offers here apochromatic refractor telescopes with especially high contrast imaging. These apos convince by a special optical quality and a reasonable price.
You will find here, besides our own brand, all important manufacturers of APO telescopes, like TS-Optics, Altair, LZOS, Explore Scientific, Skywatcher and many more.
The Esprit-150EDX from Skywatcher offers the highest optical and mechanical quality and is optimized for astrophotography.
Takahashi Extension Tube (FL), Short Distance Ring
The compact FS-60CB Apo can be upgraded to a 60/600 f/10 quadruplet Apo with this 1.7x Q module. Optically, this version is superior to the FS-60CB ...
This extender is suitable for the Takahashi fluorite apochromats FS-60CB, FS-60Q, FC-76D (both versions), FC-76Q, and FC-100D (all versions). However, it is also compatible with the older Sky-90 and FSQ-106 fluorite models, which are no longer manufactured. Of course, it can also be used with many other devices as a moderate focal length extension.