Piggyback without the wobble. The 179WT tube rings let you mount a guide scope, camera, or other accessory parallel to your TOA-150 refractor, so everything rides in perfect alignment with your main instrument instead of fighting it for space.
Purpose-built for the TOA-150. With a 179 mm internal diameter, these rings are sized specifically for the Takahashi TOA-150, so the fit is exact rather than "close enough."
A top plate that's ready to work. The included top plate arrives drilled and threaded for accessory mounting, giving you attachment points right out of the box instead of a bare ring you have to modify yourself.
Solid without the bulk. At 2.6 kg for the set, the rings add just enough heft to hold the TOA-150's tube steady without weighing down the rest of your rig.
Plays well with your existing mount. The rings ship without a bottom plate or dovetail, so you're free to pair them with whatever plate or dovetail your mount already uses, as long as the hole pattern and centre distances line up.
Built for the Takahashi ecosystem, but not locked into it. Prefer to keep everything in the family? Pair the rings with Takahashi's own L-plate (TMP02100) for a mount that's designed to match, bolt for bolt.
Precision hardware from a name astrophotographers trust. Like everything else Takahashi builds, these rings are machined to hold their fit night after night, so your accessories stay put through slews, meridian flips, and long imaging sessions alike.
Specifications
Item Number: TKA32420
Name: 179WT
Internal Diameter: 179 mm
Weight: 2.6 kg
Compatibility: Takahashi TOA-150 refractor
Recommended Plate: Takahashi L-plate (TMP02100), sold separately
What's in the Box?
Tube Ring Set (2x rings) x1
Top Plate (drilled and threaded for accessories) x1
Note: Bottom plate and dovetail are not included. See Recommended Plate above for Takahashi's matching option, or use any compatible third-party plate or dovetail with matching holes and centre distances.
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