William Optics Flattener 68-II
This revolutionary new William Optics Adjustable Flattener 68II is made for refractor of focal ratio f/6 – f/7.5.
This high-quality flattener has been engineered and CNC machined for usage with our FLT 98, 110, 132,...
Takahashi 76D Flattener
Flattener for FC-76DS/DC
Takahashi 76D Reducer
Reducer for FC-76DS/DC
Takahashi Extender-CQ 1.7x
1.7x extender for Takahashi FS-60CB
Takahashi F3 Reducer 0.6x (FSQ106ED/130ED)
Turn your f/5 FSQ-106ED or FSQ-130ED into an insanely fast f/3.0 configuration with this F3 Reducer 0.6x. High refractive index and low dispersion glass is used in this reducer to suppresss lateral chromatic abberation and...
Takahashi FC35 Reducer 0.66x
Takahashi 0.66x reducer with CA 100 ring is compatible with FC-100DF FC-100 FS-102 When used with FC-100DF Focal length 480 mm Focal ratio f/4.8 Image circle 44mm (60% illuminated) When used with FS-102 Focal...
Takahashi Flattener/Reducer (Mewlon-180/210/250/300)
Mewlon 210: The original focal length of 2415mm and focal ratio of f/11.5 changes to 1961mm focal length and f/9.3 focal ratio. The image circle is now enlarged from 18mm to 39mm and the field of view to using the reducer...
Takahashi FS-60C Flattener
Takahashi Reducer C 0.72x for FS-60C
When used with FS-60CB Focal length 255 mm Focal ratio f/4.25 Image circle 44 mm This 0.72x triplet reducer provides even illumination at the image plane of 44 mm in diameter, i.e. more than enough for a full frame...
Takahashi Reducer CR 0.73x
0.73x reducer for FSQ-106EDX4, Mewlon CR / CRS and CCA-250
Takahashi Reducer QE 0.73x
0.73x reducer for FSQ-85ED and FSQ-106ED
When used with FSQ-85ED
44mm (60% illuminated)
When used with FSQ-106ED
Takahashi TOA Set Reducer (TOA130/150 & TSA102/120)
TOA Set Reducer is a 0.75x reducer providing 40mm corrected image circle designed for the following telescopes TSA-102 N / S (f/6) TSA-120 (f/5.6) TOA-130 NFB / NS TOA-150B Depending on the vari-rings used, TOA RD allows...
Takahashi TOA-35 Reducer (TOA130/150 & TSA102/120)
Designed for TSA-102 TSA-120 TOA-130 TOA-150 Includes TOA-35 Reducer x1 CA Ring for 150 x1
William Optics Flat4 0.8x Reducer Flattener
This revolutionary new William Optics AFR-IV Adjustable Flattener / 0.8x Reducer was made for 500-1000mm refractors.
The Super-Transmission-Coated with 2-element lens system is designed and produced by William Optics, the...
William Optics Flat6A 0.8x Reducer Flattener
Includes William Optics Flat6A Reducer Flattener Spacer for William Optics GT81 T-ring for EOS mount This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William...
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