US$ 19.95
Hundred-ohm 5W fixed resistor in an ABS module with 4mm sockets
the strongly curved surface (R=100mm) producing magnified real images for image-formation experiments
Double-concave glass lens at 50mm diameter and 100mm focal length
six locking sliding bases on 6mm rods
well-formed real images for projection-style optics setups on a ~3mm-thick blank
Round Convex Glass Mirror, 75mm Diameter, 100mm Focal Length Prong_2 Hundred-ohm 5W fixed resistor inWider aperture 75mm convex glass mirror at 100mm focal length, ~2. 8mm thick, the diverging curvature delivering reduced virtual images while the larger face brightens viewing.
US$ 19.95
US$ 89.00
US$ 27.99
US$ 37.95
US$ 58.99
US$ 34.99