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Eyepiece calibration vibration test, FOE PPL dot S25

The pair of dots, which appear to merge into a single dot, determines the amount of vibration of the slide in the appropriate axis. The pattern on the S25 is an array of 20 pairs of dots converging on a single dot. The distance between each dot pair increases by 0.001 inch to a maximum of 0.02 inch, pairs being squispaced 0.25 inch.

Updated: 23-04-2025
Code Pack Size Availability Price Updated: 23-04-2025
EMS68038-25 Each 0 in stock (?) $479.00 AUD