£0.90 (£0.75 ex. VAT)
243 in stock (more can be ordered)
For optical experiments and use. Size 84mm x 52mm. In slip-case.
We will be closed for a one week summer break from Friday 7th August.
Any orders placed after 2pm Thursday will be shipped w.c. 17th August. Emails and voicemails will still be monitored during this time. Dismiss