Apochromatic Refractors
- Home /
- Telescopes /
- Refractors /
- Apochromatic Refractors
Apochromatic Refractors
We can offer you a range of very high quality refractors in this category. These include e.g. our two- and three-lens APM Apo instruments, our astrograph series, available as APM or APM-LZOS models. Equipped with Riccardi reducers / correctors or as a high-end version CNC LW II with Feathertouch extracts. All around excellent instruments that should leave no wishes.
- Connection: M56x0.75
- Extension factor: 1.04x
- Number of lenses: 2
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 ...
- Extension factor: 1.7x
- Number of lenses: 2
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.
- Connection: M43x0.75(pos)
- Extension factor: 1.6x
- Number of lenses: 5
