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This Page Updated
21st October 2016


Light Weight Fluorite
Takahashi introduces their updated version of their popular 100mm fluorite refractor. Designed to be as lightweight and portable as possible, the FC-100DF weighs just 7.9 pounds making it an excellent travel companion. Utilizing the Steinheil design with the fluorite element at the rear and an eco-glass front element, the Takahashi FC-100DF delivers superb colour and contrast.

The DF model includes a 2.7" focuser and is geared for imaging as well as visual use
  •  This Takahashi FC-100DF f/7.4 Fluorite Refractor OTA. is lightweight and highly portable weighing just 7.9 pounds.
  • Fluorite rear element gives excellent color correction and crystal clear images.
  • Pair with an optional reducer for a focal ration of f/4.9.
  • Includes 2.7" precision focuser.
Technical Specifications
Type Fluorite Apochromat
Aperture 100mm
Focal Length 740mm
Focal Ratio f/7.4
Diameter of main tube 95mm
Length of main tube 785mm (with fixed dew shield)
Weight of OTA 3.6kg
Back Focus 223mm
w/ FC-35 Reducer (TKA19580)
Focal Length 480mm
Focal Ratio f/4.9
Image Circle φ44mm
w/ Extender-Q 1.6X (TKA00595)
Focal Length 1,185mm
Focal Ratio f/11.9
w/ Extender C2X (TKA00594)
Focal Length 1,480mm
Focal Ratio f/14.8
TAKAHASHI FC-100DF Photo/Visual System Chart  PDF - CLICK HERE
TAKAHASHI FC-35 Reducer System Chart  PDF - CLICK HERE
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The above images and information and gathered from various online sources

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