Prism Squares

An optical square is a hand instrument used by surveyor's to lay off right angles that are multiples of 90° or of 45°. They normally comprise of two optical glass penta prisms in a sturdy housing. Used for placing points on a line, offset measurements, setting our curves or determining horizontal plans. We provide two good quality optical squares and attachment accessories which are durable and made to a high standard.

If you would like more information before buying the correct optical square please call us on 01480 404888 or email us at sales@sccssurvey.co.uk and we will do our best to help.

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Attachment for Optical Prism Square
£6.60 Incl. VAT £5.50 Excl. VAT
Double Optical Prism Square
£94.50 Incl. VAT £78.75 Excl. VAT
Double Pentagon Prism with Folding Closure
£168.00 Incl. VAT £140.00 Excl. VAT

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