US$ 27.99
six convex/concave lenses spanning 10-50cm focal lengths
verifying conservation of momentum in two dimensions for mechanics-unit investigations
green) and three secondaries (cyan
Hand-painted skin cross-section enlarged 300 times exposes epidermal layers
Cross Wires for Optics Experiments Lab Supplies_Filtering Supplies six convex/concave lenses spanning 10-50cmCross wires set inside a 10mm aperture on a 75mm circular black metal screen, providing a fixed sighting reference for telescope and spectrometer alignment on the optical bench.
US$ 27.99
US$ 547.50
US$ 679.00
US$ 1750.00
US$ 25.99