Double Stack Filter for Lunt 130mm Telescope

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LFPT — Internal Double Stack Module For Lunt LS130MT & LS152 Telescopes. Now with new-generation etalons — every unit individually tested on Lunt's precision metrology equipment. E very specification is verified, not estimated. The LFPT is the internal double-stack module for Lunt's 130mm and 152mm telescopes — the DS upgrade for the largest instruments in the Lunt modular range. It adds a second precision etalon to the internal optical path, reducing combined system bandpass to Show more