TAKAHASHI TOA-130NS ORTHO-APO TRIPLET f2 The Guidestar 61 is an

The Guidestar 61 is an apochromatic refractor with a focal ratio of f/5

They are compatible with several telescopes such as the Takahashi FSQ106ED

Adapter length

huge full well depth of 97ke- and high sensitivity make it an excellent choice for solar and lunar imaging

The Baader Q-Barlow 1

TAKAHASHI TOA-130NS ORTHO-APO TRIPLET f2 The Guidestar 61 is anThe Takahashi TOA 130NS 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. The