Ningbo Kelsun Int'l Trade Co.,Ltd.

Fax:+86-574-87730052 E-mail: kelsun@kelsun-cn.com

PRODUCT LIST

Product Catalog

Optical bench

20711.04

Art NO.: 20711.04

SUMMARIZE

The optical bench can explain the general rules of lens

imaging effectively, including the relationship among

focus, object distance and image distance, and also can

answer the series questions such as the size of the image,

the direction of the imageand so on.

THE OPTICAL BENCH COMPRISES THE FOLLOWING INDIVIDUAL PARTS:

1. Optical source, 220V 40W, 1set

2. Lens: dia 50mm, focus is: 50mm, 100mm, 150mm, 200mm,-150mm,

1pc of each

3. Object screen, 1pc

4. Image screen, 1pc

5. Slider, 6pc

6. Division is 1mm, metal track withlength 1.2M or 1M, 1pc(packed

separately)

7. Metal track base, 2pcs

8. Manual, 1pc