William Optics Flattener 68-II US$605.82
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 US$179.17
Flattener for FC-76DS/DC
Takahashi 76D Reducer US$496.26
Reducer for FC-76DS/DC
Takahashi Extender-CQ 1.7x US$346.73
1.7x extender for Takahashi FS-60CB
Takahashi F3 Reducer 0.6x (FSQ106ED/130ED) US$1,158.79
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 US$875.21
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) US$354.47
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 US$179.17
Designed for Takahashi FS-60CB Takahashi...
Takahashi Reducer C 0.72x for FS-60C US$462.74
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 US$514.30
0.73x reducer for FSQ-106EDX4, Mewlon CR / CRS and CCA-250
Takahashi Reducer QE 0.73x US$514.30
0.73x reducer for FSQ-85ED and FSQ-106ED When used with FSQ-85ED Focal length 327 mm Focal ratio f/3.8 Image circle 44mm (60% illuminated) When used with FSQ-106ED Focal length 385...
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) US$1,197.46 US$1,120.12
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 US$335.13
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 US$179.17
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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