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Takahashi TOA 645 Flattener 0.99x for TOA-130NS/NFB Fashion

$884.99 Original price was: $884.99.$89.00Current price is: $89.00.

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Takahashi TOA 645 Flattener 0.99x for TOA-130NS/NFB

The newly designed 645 flattener features two fully multi-coated lens elements in two groups and provides outstanding correction out to a 60 mm image circle. Being designed specifically for the TOA-130N and TOA-150B, RMS spot diameters of 1 micron on-axis are achieved. At a 30 mm diameter image circle, the RMS spot diameter is 2 microns, and at 43 mm it is 3 microns. Even out to the full diameter of 60 mm, the RMS spot diameter is 5 microns. With these spot sizes, images are nearly aberration on even the newest small pixel sensors.

For the TOA-130N with the included adapter ring (L), the flattener has a male M72 facing the telescope and a female M54 facing the camera. The metal back distance from the M54 thread is 56.2 mm. If you remove the adapter ring (L), the camera can interface with a female M72 thread with a metal back distance of 83.7 mm.

  • Features two fully multi-coated lens elements in two groups and provides outstanding correction out to a 60 mm image circle
  • At a 30 mm diameter image circle, the RMS spot diameter is 2 microns, and at 43 mm it is 3 microns. Even out to the full diameter of 60 mm, the RMS spot diameter is 5 microns
  • For the TOA-130N with the included adapter ring (L), the flattener has a male M72 facing the telescope and a female M54 facing the camera
  • Takahashi TOA 645 Flattener 0.99x for TOA-130NS/NFB
  • Adapter ring

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