Spider for 8" Newtonias - 225 to 240 mm inner tube diameter

TS-Optics metal spider for do-it-yourself construction and improvement of standard Newtonian telescopes

• Suitable for tube inside diameter 225 mm to 240 mm
• The diameter of the central tube is 45 mm.
• The spider vanes are made of metal and with 1 mm thin, but massive enough to hold heavy mirrors.
• Three M4 internal threads for collimation of the secondary mirror, fitted with grub screws
• The central hole is suitable for M6 and M5 screws.

TS Optics is a brand of Teleskop-Service.