OS1 Double Prism Optical Square - for setting out right angles

€79.95 €65.00
OS1 Double Prism Optical Square - The OS1c optical square is a simple to use instrument for setting out right angles.
Availability: In stock
SKU
CSL-OS1

OS1 Double Prism Optical Square - The OS1c optical square is a simple to use instrument for setting out right angles. Comprises of two pentaprisms of quality glass in a sturdy metal housing. The housing cover rotates to protect the prisms when the instrument is not in use.