Takahashi RD C0.72X: Reducer for FS-60
0.72× reducer for the FS-60Q after removing the CQ 1.7× extender. Alternative to the 0.85×-S Multi Reducer: use a single reducer and check the focus ring and focus distance.
CHF 468.00
Takahashi FS-60Q 60-mm telescope with 1.7× CQ extender, focal length 600 mm at f/10. TSK06300NR kit includes a 6×30 finder scope, mount, and 80QS clamp.
CHF 1'298.00incl. Swiss VAT
Part Number TSK06300NR
Will be ordered for you
Delivery time: 5 to 7 business days
Estimated shipping: Between November 23 and 24, 2026
The Takahashi FS-60Q TSK06300NR includes the FS-60Q tube, a 6×30 finder scope, its mount, and an 80QS collar. Its aperture remains at 60 mm, while the 1.7× CQ extender increases the focal length to 600 mm and the focal ratio to f/10. The finder makes pointing easier, and the collar allows the tube to be mounted on a compatible interface.
The optical system consists of an air-spaced apochromatic doublet, with the fluorite element at the front. The addition of the extender creates a four-element lens assembly, for which Takahashi claims a flat field. The manufacturer presents this longer-focal-length configuration as particularly well-suited for planetary observation, with optimized chromatic correction at f/10.
The extender can be removed to restore the FS-60CB configuration of 355 mm at f/5.9, which the manufacturer intends primarily for deep-sky imaging. This modular design allows you to choose the focal length based on your specific needs. Connections must be set up according to the manufacturer’s assembly diagram, taking into account whether or not the extender is installed.
Is the collar the same as the one in the FS-60CB pack?
The part numbers differ: Takahashi lists the 80QS TKA20420Q collar here. The FS-60CB pack is associated with the 80S TKA20420 collar.
Does the 1.6 kg refer to the weight of the entire package?
No. This value is listed in the specifications for the FS-60Q optical tube. It does not represent the total weight, which includes the finder, mount, and clamp.
Takahashi TSK06300NR Official Product Sheet : Specifications and identification of this part number.
The Takahashi FS-60Q is a fluorite doublet refractor with a Q extender, featuring a 60 mm aperture and a 600 mm focal length (f/10), designed primarily for deep-sky astrophotography. Its focal length is ideal for medium-sized nebulae (Orion, the Lagoon, the Trifid, and the Rosette), large galaxies such as M33 or the M81-M82 pair, and star clusters. At f/10, which is rather slow for deep-sky imaging, it benefits from being used with a focal reducer.
With an APS-C camera featuring 3.76 µm pixels (Sony IMX571 sensor), you get approximately 1.29″ per pixel for a field of view of 2.2° × 1.5°. With the 0.72× crop factor, this increases to 1.8″ per pixel and a field of view of 3.1° × 2.1°.
Yes, whenever you're using an APS-C or full-frame sensor: like any uncorrected doublet lens, it has a slight field curvature that stretches the stars in the corners. Dedicated correctors: Takahashi RD C0.72X: Reducer for FS-60 (equivalent focal length of 432 mm, f/7.2); Takahashi Multi Reducer 0.85×-S for FS-60 (equivalent focal length of 510 mm, f/8.5).
158.4 mm (metal back). This focal length is measured from the thread to the sensor, including the rings, filter wheel, and filter drawer: adhering to this measurement down to the millimeter ensures that the stars remain round in the corners.
The tube weighs about 1.6 kg; with the camera, filter wheel, and guide scope, expect it to weigh around 3.1 kg: a small equatorial or harmonic travel mount is sufficient. A refractor requires no collimation: once balanced, it’s ready to use as soon as it reaches operating temperature. At 55 cm long, it fits easily in the trunk.
Yes, as a bonus: with an angled mirror and an eyepiece, it provides high-contrast, color-accurate images of the Moon, the planets, and double stars, up to about 120×.
Here are a few accessories we've selected for this model, depending on your needs.
0.72× reducer for the FS-60Q after removing the CQ 1.7× extender. Alternative to the 0.85×-S Multi Reducer: use a single reducer and check the focus ring and focus distance.
0.85×-S Multi Reducer for the FS-60Q after removing the 1.7× CQ extender: photographic setup at 300 mm and f/5. Alternative to the 0.72× reducer; check the photographic ring and the focal length.
Pair of Takahashi 80WB collars, an optional alternative to the single collar included in this package. Dovetail for mount sold separately; check the balance.
Vixen 220B dovetail for mounting the two 80WB clamps, sold separately. This solution is an alternative to mounting with the included clamp; check the clamp and the balance.
FC-76DCU Conversion Kit: Replace the 60 mm lens and remove the 1.7× CQ for native focal plane configuration. Check the optical connections and accessories after conversion.
80 mm heating strip for an 80 mm defogger. Check its location and clearance; a 12 V power supply or controller with an RCA connector and sufficient power must be provided separately.
80 mm motorized flat panel recommended by Wanderer for the FS-60/FOA-60 series. Measure the outer diameter and check the mounting, centering, and clearance.
For a Takahashi EM-11 or EM-200 mount, this S-mount plate is compatible with the 80QS one-piece collar, which is already included in this package. Separate plate; check the M8 screws, the load, and the balance.
Recommended diameter: 150 mm. Check the measurement and the mounting.
