Astronomy Specialist

M69 EXTENSION TUBE 30mm

$99.00

Quantity
- +

This 30 mm extension ring is often used for professionals filed flattener such as the SharpStar 2.5" field flattener.

This extension ring has a M69 x 1 male thread on one side and a M68 x 1 female thread on the other side.


 

Thread

M69 x 1

Optical thickness

30 mm (male thread not taken into account)

 

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