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Takahashi TOA-35 0.7x Reducer for TOA-130N/NFB
Takahashi TOA-35 0.7x Reducer for TOA-130N/NFB

Takahashi TOA-35 0.7x Reducer for TOA-130N/NFB

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Your Price: CAD1,805.66
Generally Ships in 5-7 Business Days
Part Number:TKA32580A

The ideal design for a reducer is its ability to reduce the f-stop while flattening the field and controlling chromatic aberration. The TOA-35 0.7x reducer is configured with 4-elements in three groups and uses two low dispersion, high refractive index glass , while reducing the focal length by a factor of 30%.

The 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 when used with the TOA-130/150.

This high performance optical system produces images that will be flat, sharp and highly corrected for color. When used with the TSA Series the image is 8-microns in the center and 12-microns at the edge.

The TOA-35 Reducer is available in two models: the 130 model is designed to work with the TOA-130 and the 150 model is designed to work with the TOA-150, the TSA-120 and TSA-102. Each model is supplied as a set that includes the reducer and a wide mount 55mm adapter to attach the reducer to the camera that is used.

Model Focal Length Image Circle CA Ring
TOA-130 698mm [f/5.4] 44mm 130
TOA-150 775mm [f/5.2] 44mm 150
TSA-102 575mm [f/5.6] 44mm 150
TSA-120 635mm [f/5. 3] 44mm 150

Metal back distance:

TOA-130 version 71.5mm
TOA-150/TSA version 68.5mm

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