Takahashi TOA-35 0.7X Reducer & Camera Ring - TOA-130

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Takahashi TOA-35 0.7X Reducer & Camera Ring - TOA-130
$1,190.00
Item # TK-TKA31580N
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  • This Takahashi TOA-35 reducer and camera ring set is made exclusively for the TOA-130N or NFB refractor.
  • Constructed of four elements in three groups, this reducer (0.7X) also flattens the field and controls chromatic aberration.
  • The Takahashi TOA-35 reducer produces 3-micron stars in the center of the field and 6 micron stars at the edge.
  • The camera ring supplied with the TOA-35 reducer is a wide mount 55mm adapter that is used to attach the reducer to a camera.
  • Metal back distance for the TOA-130 version of the TOA-35 is 71.5mm, and it produces an image circle of 44mm.
Description

Details

 Takahashi TOA-130 0.7X Reducer & Wide Camera Mount Set

The ideal design for a reducer is its ability to reduce the f-stop while flattening the field and controlling chromatic aberration. The Takahashi TOA-35 0.07x reducer is configured with 4-elements in three groups and uses low dispersion, high refractive index glass for two of the elements, while reducing the focal length by a factor of 30%.

The Tak TOA-35 reducer produces 3-micron stars in the center of the field and 6-micron stars at the edge with a very flat field. There is also an improvement in the color correction. The 0.7X Reducer is supplied with a wide mount Ø55mm adapter to attach the reducer to the customer's camera.

Takahashi TOA-35 0.7x Reducer Specifications

  • Focal Length (installed on TOA-130): 698mm
  • Focal Ratio (installed on TOA-130): f/5.4
  • Image Circle: Ø44mm
  • Metal Back Distance: 71.5mm
Additional Information

Additional Information

SKU TK-TKA31580N
Manufacturer Takahashi
Barrel Size Thread-on
Warranty 5 Year Warranty
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Included Items

Included Items

  • Takahashi TOA-35 0.7X Reducer
  • Takahashi 55mm Wide Camera Mount Adapter
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