Lunt Solar Internal Double Stack Module for LS80MT & LS100MT Solar Telescope - DSII/SFPTP Dovetail Base 2" Klemme): 1

2" Klemme): 1

91") F/Ratio f/12 Focal Length (mm) 1800 mm Secondary Diameter 47 mm Secondary Obstruction (diam) 31 % Secondary Obstruction (area) 10 % Dawes Limit 0

Fits Most SCT Tubes

with very high-performance specifications

with a 348 second period

Lunt Solar Internal Double Stack Module for LS80MT & LS100MT Solar Telescope - DSII/SFPTP Dovetail Base 2" Klemme): 1Lunt Solar Internal Double Stack Module for LS80MT or LS100MT Solar Telescope Now with new generation etalons every unit individually tested on Lunt's precision metrology equipment. Every specification is verified, not estimated. The SFPT is the internal double stack module for Lunt's 80mm and 100mm Universal Modular Telescopes. It adds a second precision etalon inside the telescope body, reducing combined system bandpass from 0. 45 single stack to