Takahashi 1.5× ED Extender for the FSQ-85EDX, TSA-120, TOA-130, and TOA-150. With the FSQ-85EDX: 680 mm at F/D 8, 44 mm image circle.
CHF 387.42incl. Swiss VAT
Part Number TKA37595
Will be ordered for you
Delivery time: 5 to 7 business days
Estimated shipping: Between November 23 and 24, 2026
The Takahashi 1.5× ED extender increases the focal length to allow for a tighter frame in photography and achieve higher magnification with the same eyepiece. On the FSQ-85EDX, the advertised focal length reaches 680 mm at F/D 8, with an image circle of 44 mm.
This part number is intended for the FSQ-85EDX, TSA-120, TOA-130, and TOA-150. The installation diagram for each instrument indicates which fittings to connect to the extender, labeled No. 60. The values of 680 mm and F/D 8 apply to the FSQ-85EDX.
| Features | Value |
|---|---|
| Reference | TKA37595 |
| Type | ED Extender |
| Nominal factor | 1,5× |
| Affected instruments | FSQ-85EDX / TSA-120 / TOA-130 / TOA-150 |
| Diagram Reference | No. 60 |
| Focal with FSQ-85EDX | 680 mm |
| Focal Ratio with FSQ-85EDX | F/D 8 |
| Image Circle with FSQ-85EDX | 44 mm |
Here are a few accessories we've selected for this model, depending on your needs.
FOA-60 sold separately: 795 mm at f/13.3 for visual observation. For a flat photographic field of view, Takahashi recommends the 1.7×R extender instead. Check the connections; do not attach a filter to the end of the tube inserted on the eyepiece side.
FOA-60Q sold separately: 1,350 mm at f/22.5 for visual observation; its 1.7×R extender is already built in. Check the connections; do not attach a filter to the end of the tube inserted on the eyepiece side.
Tube sold separately. For a flat field, Takahashi recommends using the TOA-35 corrector as an accessory; check the connections and do not attach a filter to the end of the tube inserted on the eyepiece side.
Tube sold separately. For a flat field, Takahashi recommends using the TOA-35 corrector as an accessory; check the connections and do not attach a filter to the end of the tube inserted on the eyepiece side.
Tube sold separately. For a flat field, Takahashi recommends using the TOA-35 corrector as an accessory; check the connections and do not attach a filter to the end of the tube inserted on the eyepiece side.
Tube sold separately. For a flat field, Takahashi recommends using the TOA-35 corrector as an accessory; check the connections and do not attach a filter to the end of the tube inserted on the eyepiece side.
Tubing sold separately. FSQ-85EDX setup: Check the connections and refer to the Takahashi diagram for assembly; do not attach a filter to the end of the tubing inserted on the eyepiece side.
35FL corrector sold separately: Takahashi recommends this combination for TSA/TOA astrophotography setups. Check the order of the parts, the connections, and the focus. Do not attach a filter to the end of the tube inserted on the eyepiece side.
