beam lamp　D20-1277-10

D20-1277 Light for photovoltaic cells Beam lamp for PC-L.

Interference Plate IP -5 N　D20-1278

Used for wavelength measurement due to optical interference (wedge-shaped gap).

Lens (Round) TL -75 H (With Handle)　D20-1327

Tsurens TL -3 N (3 Types Set)　D20-1328

A set of lenses with different focal lengths.

Attic Lens E 10 Piece Set　D20-1330

Plastic lenses (eyelets) 2 types/3 lenses and others

Fresnel Lens A4 (1) and others

Seat lens A 280 x 325 mm convex lens and others

Pollens OL -75 H with handle (round)　D20-1352

Pollens 10 Pack　D20-1354

Half Cut Pollens and others

Trapezoidal glass TGN-A　D20-1391

Used for experiments on refraction and reflection of light.

Glass Box A and others

Right angle prism RAP -2 N 2 piece set and others

Colorless Prism AP -45 N 2 Set　D20-1398

It eliminates the dispersion of light, and it is more effective to use compared with an ordinary prism.
It is a pair of 20° (flint glass F2) and 40° (crown glass BK7) prisms, and the chromatic aberration of light passing through the 40° prism can be completely eliminated by the 20° prism.

giant prism　D20-1402

It is a large prism made of transparent resin.
If you shine white light, you can project a large rainbow on the wall.

Replica grating sheet transmission type and others

Experimental polarizing plate C 250 x 250 mm and others

200 plastic beads (vibration detector)　S75-3618

S75-3618 Plastic Beads (Vibration Detector) Can be used not only for manufacturing, but also for experiments where you can see things shake when sound comes out or comes through.

Clear plastic cup mini (with lid) 50 pieces　S75-4138

Convenient size for making a vibration detector for the third grade "Properties of Light and Sound" experiment.

［Discontinued］Semiconductor laser interferometer LDIF -1　D20-1117

Mach-Zehnder interference experiments and Michelson interference experiments can be performed.

［Discontinued］Half-Cut Shoe Lens HL -50 N and others

［Discontinued］TV Stone　D20-1616

This TV stone is placed on the printed material, and when you look into the upper surface of the stone, you can see the printed material floating up on the upper surface of the stone.

［Discontinued］Photochromic Ink (Ultraviolet Sensitive Ink) Red and others

［Discontinued］Singing rod　S77-1253

Let's get the hang of it and make some loud noises! If you hold the center part of the singing rod and rub it hard with a finger with pine tar attached, it will make a loud shrill sound.
It can be used to introduce physical experiments such as natural vibration and resonance of objects.