1. Adopting aluminum alloy material through precision craftsmanship, it is durable and resistant.
2. The inner wall is treated with extinction processing to prevent the radiation from affecting the imaging.
3. It is used to connect the camera to astronomical telescope with stable performance and high reliability, which is a very practical accessory.
4. Easy to install and flexible to operate, which can effectively save your time and efforts.
5. Light in weight, it will not burden your device when using it, and it can protect your camera.

Spec:
Item Type: Adapter Ring
Material: Aluminum Alloy
Product Color: Black
Internal Thread Depth: Approx. 6mm / 0.2in
External Thread Depth: Approx. 4mm / 0.2in
Flange Distance: Approx. 8mm / 0.3in
Clear Hole Diameter: Approx. 45mm / 1.8in
Product Weight: Approx. 27g / 1.0oz
Mount: SCT (M51x1mm), M48x0.75mm

packing list:
1 x Adapter Ring