Gear Database

Takahashi FC-100DC

Takahashi

Takahashi FC-100DC is a 100 mm Fluorite doublet APO refractor for general deep-sky imaging and visual observing.

telescope premium
Takahashi FC-100DC

Best Current Offer

Astronomics logo
Astronomics
In stock
$2,030.00

Other retailers

Specifications

Optics

Optical design
Fluorite doublet APO refractor
Aperture
100 mm
Focal length
740 mm
Focal ratio
f/7.4
Dawes limit
1.16"
Glass / elements
Fluorite doublet objective

Imaging

Camera format
APS-C / Micro 4/3 with matching corrector
Full-frame coverage
No

Specifications

Weight
6.16 lb (2.79 kg)

Mechanical

Focuser
2-inch rack-and-pinion focuser

Astrophotography Fit

Best for general deep-sky imaging and visual observing when the mount, camera format, and correction hardware are chosen as one system.

Takahashi FC-100DC sits in the telescope slot for general deep-sky imaging and visual observing. The useful headline specs are aperture 100 mm, focal length 740 mm, f/7.4.

Camera coverage: APS-C / Micro 4/3 with matching corrector.

Refractors keep the field routine calmer: no regular collimation, predictable cooldown, and a clean path to autofocus and filtered imaging. The tradeoff is aperture and reach.

Best paired with

  • Corrected field flattener or reducer when the design requires one
  • Cooled APS-C or smaller astro cameras matched to the image circle
  • Autofocus, guide scope or OAG, and a mount with comfortable payload margin

Not recommended for

  • Large full-frame sensors unless the corrected field supports them
  • Very small travel mounts near their realistic imaging payload limit
  • Buyers expecting one telescope to be ideal for every target size

Where To Buy

Some links on this page are affiliate links. Prices and availability are pulled automatically from each retailer and updated daily.

Retailer Price Availability View Offer
Astronomics logo
Astronomics
Astronomics
$2,030.00
In stock
Updated 5/15/2026
View Offer - $2,030.00
Cloud Break Optics logo
Cloud Break Optics
Cloud Break Optics
$2,030.00
In stock
Updated 5/9/2026
View Offer - $2,030.00