M68 EXTENSION RING 5mm
M68 EXTENSION RING 5mm is a special order item. Contact us for more info.
This 5mm extension ring is often used for professional field flatteners such as the SharpStar 2.5" field flattener.
The extension ring has an M68 x 1 male thread on one side and an M68 x 1 female thread on the other side. The total thickness is 9mm which includes the 4mm male thread.
Specifications
| Connection (side a) |
M68 x 1 male |
|---|---|
| Connection (side b) | M68 x 1 female |
| Optical thickness | 5 mm (not including 4 mm male thread) |
| Clear aperture | 63 mm |
| SKU | TSVM685 |
