Canon Camera Adapter (M48) (S20300)

Name: Canon Camera Adapter (M48) (S20300)
Brand: Sky-Watcher USA
SKU: S20300
Price: 21 USD
Availability: InStock
Rating: 4.8 (5 reviews)

Canon Camera Adapter (M48) (S20300) - Main image

$21 ~~$30~~ In stock

Category: Astrophotography Accessories

Designed for attaching a Canon DSLR camera to any of the Sky-Watcher 0.85x Focal Reducer/Correctors.

M48 rings are used for larger format imaging. These are different than the standard T-Thread and are not suitable for use on our Collapsible Dobsonian line. M48 rings are to be used on the Esprit and ProED series when using the dedicated field correctors.

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Customer Reviews (4.8 / 5 · 5 reviews)

Violet M. ★★★★★ Oct 21, 2026

This adapter fits perfectly with my focal reducer and the M48 threads are much easier to align than standard T-rings. Getting sharp stars across the whole frame now.

Eva ★★★★★ Oct 20, 2026

Finally got this to thread onto my focal reducer without any wobble or cross-threading, which is exactly what I needed for sharper deep-sky frames. The M48 ring fit snug and feels more solid than the standard T-ring I was using before.

James H. ★★★★★ Oct 19, 2026

I've been using this M48 adapter with my Canon DSLR and the focal reducer, and the threading is precise—no wobble at all. It holds the larger format securely, which makes a real difference in my astrophotography shots.