1. Aperture: 50mm (2")2. Focal length: 360mm(f/7)3. Hybrid diagonal: 90°4. Equatorial Mount with setting circles and slow motion controls on R.A and Dec Axes.5. Most height: 38cm6. Standard 0.965"acceddories include:7. Eyepiexe: H6mm, H20mm, 1.5x Erector
Aluminum anode is a type of sacrificial anode.Sometimes , it is also called galvanic anode. It is also a conductive rod that is attached to metal structures or installed into metal devices.