Celestron f/6.3 Reducer Corrector 0.63x for SCT HK$1,280.00
This combination focal reducer and field corrector lens accessory works with all Celestron 5", 6", 8", 9 1/4", 11" and 14" Schmidt-Cassegrain telescopes This clever accessory makes it possible to have a dual focal ratio...
William Optics Flat61R Reducer Flattener with Rotator HK$2,280.00
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William Optics Flat73R Reducer Flattener with Rotator HK$2,280.00
William Optics 0.8x Reducer Flattener Flat7A HK$5,200.00
William Optics Flat6A III 0.8x Adjustable Reducer Flattener HK$1,780.00
New Adjustable Flat6Alll (T-mount not included) This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors. WO Flat6A lll will...
Takahashi 645 Reducer CA 0.72x (CCA-250) HK$15,980.00
645 Reducer 0.72x for Takahashi CCA-250
Takahashi FC/FS Multi Flattener 1.04x HK$1,800.00
Takahashi new 1.04x flattener for FS-60CB, FC-76D and FC100 series
William Optics Flat61 1.0x Adjustable Flattener HK$1,780.00
New Back Focus Adjustable Field Flattener dedicated for William Optics Zenithstar 61 Covers full frame camera field of view Back Focus Adjustment Guide for ZenithStar...
William Optics Flat 73 1.0x Adjustable Flattener HK$1,780.00
New Back Focus Adjustable Field Flattener dedicated for William Optics Zenithstar 73 Covers full frame camera field of view Interface: M48x0.75 male thread Optional accessories: Canon 48mm T-ring Nikon 48mm...
Takahashi Flattener 1.01x for FSQ-85EDX HK$1,750.00
For use with FSQ-85EDX to increase corrected image field to full frame circle
William Optics Flat 8 0.72x Reducer HK$6,080.00
William Optics Flat 8 Highlights ED Triplet APO design Works with F/6-7.8 refractor 45mm fully illuminated image circle (full frame illumination) Adjustable back focus M48x0.75 male thread for camera...
William Optics Flattener 68-III HK$5,290.00
This revolutionary new William Optics Adjustable Flattener 68III 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,...
William Optics Flat6A II 0.8x Adjustable Reducer Flattener (Discontinued) HK$1,690.00
New Adjustable Flat6All (T-mount not included) This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors. WO Flat6A ll will...
William Optics Flat 73 1.0x Flattener
Field Flattener dedicated for William Optics Zenithstar 73 Covers full frame camera field of view Interface: M48x0.75 male thread Optional accessories: Canon 48mm T-ring Nikon 48mm...
William Optics Flat7 0.8x Reducer
William Optics Flat7 Highlights Triplet elements design Full frame coverage M48 T-mount large aperture Designed specially for GT102 and FLT132 Optional Accessory: M48 T-Adapter for Canon M48 T-Adapter for...
William Optics Flat61 1.0x Flattener
Field Flattener dedicated for William Optics Zenithstar 61 Covers full frame camera field of view
Takahashi Reducer CR 0.73x HK$5,280.00
0.73x reducer for FSQ-106EDX4, Mewlon CR / CRS and CCA-250
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,...
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...
Takahashi 76D Reducer HK$3,850.00
Reducer for FC-76DS/DC
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 Flattener/Reducer (Mewlon-180/210/250/300) HK$2,750.00
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...
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...
Takahashi FS-60C Flattener (Discontinued) HK$1,390.00
Discontinued. Succeeded by Takahashi FC/FS 1.04x Multi-Flattener Click Here to Learn More Designed for Takahashi FS-60CB Takahashi...