36ED F6.0

36ED F6.0 might be a bit slow for DSLRs. But it should be still good speed for cooled monochrome cameras. Here is one example.

36ED F6.0 + ST-8300

M57 filter box is used for LRGB filters

This optical system is expected to be available in November. I’m planning the super compact imaging and guiding setup.

~ by tedishikawa on October 1, 2013.