M68 EXTENSION RING 8mm
M68 EXTENSION RING 8mm is backordered and will ship as soon as it is back in stock.
This 8 mm extension ring is often used for professionals filed flattener such as the SharpStar 2.5" field flattener.
This extension ring has a M68 x 1 male thread on one side and a M68 x 1 female thread on the other side. The total thickness is 12 mm and it includes the 4 mm male thread
Specifications
| Connection (side a) |
M68 x 1 male |
|---|---|
| Connection (side b) | M68 x 1 female |
| Optical thickness | 8 mm (not including 4 mm male thread) |
| Clear aperture | 63 mm |
| SKU | TSVM688 |
