Fax:+86-574-87730052 E-mail: kelsun@kelsun-cn.com
PRODUCT LIST
Product Catalog

Color filter

Cobalt Glass

Color filter, with handle

Model of the principle of camera

Experiment of image-form of plane mirror

Experiment of image-form of plane mirror

Experiment of image-form of plane mirror

Demonstrator of function of IR light

Experiment of image-form through small hole

Demonstrator of function of UV light

Diffraction Grating

Diffraction Grating
© 2016 NINGBO KELSUN INT'L TRADE CO.,LTD. All Rights Reserved
Add:18F,Huiya International Mansion No.1107.Tiantong North Road,Ningbo,315100,China Web:www.kelsun-cn.com
Add:18F,Huiya International Mansion No.1107.Tiantong North Road,Ningbo,315100,China Web:www.kelsun-cn.com