BAADER SLOAN/SDSS R' PHOTOMETRIC FILTER Size:1.25" It can be used to

It can be used to connect accessories with M68 female threads to accessories with 2" SC male threads

2" nosepiece

The Avalon M-Uno mount is a portable single arm fork mount driven by the Fast Reverse Technology

such as the Evostar 80ED & 100ED

BAADER SLOAN/SDSS R' PHOTOMETRIC FILTER Size:1.25" It can be used toThe Baader SLOAN r' filter is a precision grade photometric bandpass filter with a central wavelength window around 616. 6nm. In 2000, a new era in photometry began: with the Sloan Digital Sky Survey (SDSS), a 2. 5m telescope at Apache Point Observatory (New Mexico, USA) surveyed one third of the sky in five wavelengths, with windows around 355. 1, 468. 6, 616. 6, 748. 0 and 893. 2 nm. This system was also used for the Pan STARRS project; the broad