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Takahashi - TOA-35 0.7X Reducer and Camera Ring - TOA-150, TSA-102/120

Model#: TKA32580N

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Manufactured by: Takahashi

Details

Takahashi Set Reducer for TOA-150 and TSA-102, TSA-120

 

 

Takahashi has made a high performance TOA-35 reducer for the TOA-150/102/120 and TSA-120. The TOA-35 0.07x reducer is configured with 4-elements in three groups and uses two low dispersion, high refractive index glass for two of the elements, while reducing the focal length by a factor of 30%. There is also an improvement in the color correction.

The TOA-130 can be equipped with a focal reducer, giving the possibility for focal ratio to go from 8 to 6. Thus, you have a faster refractor, for wide field imaging. The reducer acts also as a field corrector, ensuring you a perfect flatness for imagers equipped with large sensors. The assemblies with the reducer are available in TOA-RD specific system-charts.

 

  • Focal Length (installed on TOA-150): 775mm
  • Focal Length (installed on TSA-102): 575mm
  • Focal Length (installed on TSA-120): 635mm
  • Focal Ratio (installed on TOA-150): f/5.2
  • Focal Ratio (installed on TSA-102): f/5.6
  • Focal Ratio (installed on TSA-120): f/5.3
  • Image Circle (all models): Ø44mm
  • Metal Back Distance (all models): 68.5mm.

 

 

 

 

 

 

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Additional Information

Name Takahashi - TOA-35 0.7X Reducer and Camera Ring - TOA-150, TSA-102/120
Manufacturer Takahashi
Model TKA32580N