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Shorter Extension Tube Spacer Ring for SCT chmidt-cassegrains Telescope
DESCRIPTION
Shorter Extension Tube Spacer Ring for SCT chmidt-cassegrains Telescope
- Shorter Extension Tube Spacer Ring for SCT chmidt-cassegrains Telescope
- One Side : standard SCT male thread (2"x24 TPI) . The other side: standard SCT female thread
- Effective Space length: 15mm (0.59"). Total length: 23.5mm(0.92")
- Machined of high quality aluminum and anodized black.
- M48x0.75 standard filter thread inside the tube and comes with a filter thread press ring. You can fix a filter lens inside.
