Quick view Lenses Spherical, Unmounted, Bi-Concave 38 mm Diameter MSRP: Was: Now: $2.30 Choose Options Compare
Quick view Lenses Spherical, Unmounted, Bi-Concave 50 mm Diameter MSRP: Was: Now: $2.60 Choose Options Compare
Quick view Lenses Spherical, Unmounted, Bi-Concave 75 mm Diameter MSRP: Was: Now: $10.00 Add to Cart Compare
Quick view Basic Lens Set, 38 mm, 6 lenses Set of 6 lenses with outer diameter of 38mm. This lens set includes samples of double convex, double concave, plano concave, plano convex and concave convex lenses. Lenses come in a plastic case. Additional Description Includes one of each: Double... MSRP: Was: Now: $14.50 Add to Cart Compare
Quick view Block, Acrylic Semi-circular Acrylic semi-circular block comes in two sizes: 75 MM (diameter) with a 12 mm thickness; or 60 MM (diameter) with a 15 mm thickness. MSRP: Was: Now: $12.80 Choose Options Compare
Quick view Color Filter, Set of 5 Colors, 2" x 2" Set of 5 color filters made of clear/ transparent acrylic polymer (Plexiglass color filter). This set includes red, blue, orange, green and yellow filters. 2" x 2" (or 5cm x 5cm) and a thickness of 1/8" (or 3mm). Used for physics experiments... MSRP: Was: Now: $4.95 Add to Cart Compare
Quick view Color Filter, Set of 5 Colors, 4" x 4" Set of 5 color filters made of clear/ transparent acrylic polymer (Plexiglass color filter). This set includes red, blue, orange, green and yellow filters. 2" x 2" (or 10cm x 10cm) and a thickness of 1/8" (or 3mm). Used for physics experiments... MSRP: Was: Now: $10.95 Add to Cart Compare
Quick view Color Paddles, Set Of 6 Demonstrate the principles of color mixing with this set of 6 clear colored plastic paddles. Hole at bottom of handle allows you to easily tie all paddles together. MSRP: Was: Now: $5.50 Add to Cart Compare
Quick view Glass Prism with Plastic Stand Large optical prism with a base is very convenient to change prism angle. It can be used in science class of kindergarten, primary school, high school, as a demonstration equipment, to study the dispersion of light. It also can be used as toy to Develop... MSRP: Was: Now: $15.00 Add to Cart Compare
Quick view Infrared LED These are clear infrared LEDs that emit invisible IR radiation. Diameter = 5mm. Requires 1-3 volts for operation. 20 MA MSRP: Was: Now: $4.50 Add to Cart Compare
Quick view Laser Pointer Pen shape laser pointers are an excellent light source for ray optics and useful tools in presentation. These new, inexpensive and safe class III diode laser pointers can be used in physics labs to study reflection, refraction, and other light properties... MSRP: Was: Now: $12.95 Choose Options Compare
Quick view Laser Pointer, Green Pen shape laser pointers are an excellent light source for ray optics and useful tools in presentation. These new, inexpensive and safe classIII diode laser pointers can be used in physics labs to study reflection, refraction, and other light properties... MSRP: Was: Now: $19.00 Add to Cart Compare
Quick view Lenses Spherical, Unmounted, Bi-Concave 38 mm Diameter Made of polished glass with ground edges. Bi-concave lens: Used for reducing the size or spreading out light, with two inward curving symmetrical faces. Available in different focal points. Minimum Order Quantity is: 4 Orders of 10 and more are... MSRP: Was: Now: $2.30 Choose Options Compare
Quick view Lenses Spherical, Unmounted, Bi-Concave 50 mm Diameter Made of polished glass with ground edges. Bi-concave lens: Used for reducing the size or spreading out light, with two inward curving symmetrical faces. Minimum order quantity is: 4 Orders of 10 and more are subject to the bulk order discounts. MSRP: Was: Now: $2.60 Choose Options Compare
Quick view Lenses Spherical, Unmounted, Bi-Concave 75 mm Diameter Made of polished glass with ground edges. Bi-concave lens: Used for reducing the size or spreading out light, with two inward curving symmetrical faces. 200 mm focal length. MSRP: Was: Now: $10.00 Add to Cart Compare
