US$ 14.17
the next-step instrument up from the 15 MHz EI-800 for AC-signal
Built for long-bench convergence flexibility
condensing lens
sized for fine-print reading and convex-lens image-formation work in introductory optics
Compact regulated +15V DC power pack rated at 1 A
Variable Angle Glass Prism, 15° x 15° x 150° Size_Medium the next-step instrument up fromGlass prism with a 15 degree apex and 15 x 15 x 150 angles, the doubled apex prism producing about twice the deviation of the 5 unit while still in the small angle regime.
US$ 14.17
US$ 15.99
US$ 40.00
US$ 12.72
US$ 12.26