Eyepiece and telescope pairing
Will the Celestron C9.25 optical tube fit on the Vixen-class dovetail head (CG-5 / EQ5 class)?
Whether the Vixen-class dovetail head (CG-5 / EQ5 class) can carry the Celestron C9.25 optical tube tube steadily, from the published tube weight and mount payload.
- Optical tube weight
- 20 lb
- Mount rated payload
- 22 lb (the EQ5 / CG-5 class German equatorial, a common home for a 150 mm to 203 mm SCT tube)
- Tube as share of payload
- 91%
- Dovetail
- Vixen-style, matching this mount head
At the limit. The Celestron C9.25 optical tube tube weighs 20 lb against the Vixen-class dovetail head (CG-5 / EQ5 class) rated payload of 22 lb. It will mount, but once you add a diagonal, finder and eyepiece you are at or over the visual payload, so expect softer damping.
A mount's rated payload is for the whole instrument, not just the bare tube. The Celestron C9.25 optical tube tube is 20 lb, which is 91% of the Vixen-class dovetail head (CG-5 / EQ5 class) 22 lb rating before you add a star diagonal, finder and eyepiece.
For steady high-magnification views many observers keep the real load below about 70% of the rated payload, because damping time grows quickly as a mount nears its limit. The eq5 / cg-5 class german equatorial, a common home for a 150 mm to 203 mm sct tube.
The mount to buy
Shop Vixen-class dovetail head (CG-5 / EQ5 class) on AmazonaffiliateFind Vixen-class dovetail head (CG-5 / EQ5 class) on eBayaffiliate