TAKAHASHI TSA-120 APO TRIPLET Style:Complete Assembly the 131mm PLUS support rings

the 131mm PLUS support rings are equipped with tapped holes (above and below each ring) to allow the attachment of:

Base diameter

precisely replicating the functions of the physical keypad

This spacer is sized such that the backfocus distance behind the focuser is 8

5mm long 1

TAKAHASHI TSA-120 APO TRIPLET Style:Complete Assembly the 131mm PLUS support ringsThe Takahashi TSA 120 is an apochromatic triplet refractor with exceptional correction for observation and astrophotography. With one S FPL53 ED element, the air spaced triplet lens cell provides similar performance to their flagship TOA series with a Strehl ratio of 99. 2% at the optimal wavelengths of human vision. The TSA 120 has a native focal length of 900mm and a focal ratio of f 7. 5, making it the ideal instrument for capturing a wide range of