TAKAHASHI TOA-130NFB ORTHO-APO TRIPLET Focusing motor 75 T-ring (sold separately)

75 T-ring (sold separately)

5 through 24 inches)

In Ha channel

The reduction of the optical length was measured with the 2" focuser of a Traveler 105mm/f6 Apochromat with a pair of 35mm ED eyepieces

16mm diagonal) Quantum efficiency 80% Exposure range 30µs-3600s Read noise 1

TAKAHASHI TOA-130NFB ORTHO-APO TRIPLET Focusing motor 75 T-ring (sold separately)The Takahashi TOA 130NFB is an Ortho Apochromatic triplet refractor with the highest possible correction of any refractor on the market. The unique optical configuration based on a highly air spaced triplet completely eliminates spherical aberration while having the best chromatic correction in the Takahashi range. With two S FPL53 ED elements, the air spaced triplet lens cell has a Strehl ratio of 99. 8% at the optimal wavelengths of human vision.