GRUS-B8208 star guide ring 127mm+slotted astronomical telescope guide mirror series

Number: B8208
Size 127MM Thickness: 8mm Guide Star Mirror Maximum Diameter: 115mm Guide Star Mirror Minimum Diameter: 65mm
Material: Aluminum alloy
Ring weight: 185g

Number: B8206
Size Length: 11.3cm Width: 6.5cm Height: 2cm Second Height: 1cm
Material: Aluminum alloy
Weight: 300g
Guide star ring hole distance: 4cm (hole distance center) 2CM5CM
Screw size: M5, M6