Opto-Edu (Beijing) Co., Ltd.100043Why Us (指向 公司信息, 格式不好编辑, 另起一个页面Why Us)F-1501 Wanda Plaza, No.18 Shijingshan Road, Beijing 100043, ChinaOpto-Edu (Beijing) Co., Ltd.100043Why Us (指向 公司信息, 格式不好编辑, 另起一个页面Why Us)F-1501 Wanda Plaza, No.18 Shijingshan Road, Beijing 100043, ChinaOpto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing
Full Set Including:
1. Optical Bench Length 900mm
2. Light Source 6v3w
3. White Board 120*80mm
4. Character"1"Board
5. Frosted Glass Plate
6. Candle Holder
7. Sliding Holder 4 pcs
8. Convex Lens Dia. 3cm Focus 5cm
9. Concave Lens Dia. 3cm Focus-7.5cm
10.Convex Lens Dia. 4cm Focus 10cm
11.Convex Lens Dia. 5cm Focus 30cm
These cookies enable core functionality such as security, verification of identity and network management. These cookies can’t be disabled.
These cookies are used to track advertising performance, consent to the sending of advertising-related user data to Google, and consent for the website to serve personalized advertising to provide more relevant services.
These cookies collect data to remember choices users make to improve and give a more personalised experience.
These cookies help us to understand how visitors interact with our website, discover errors and provide a better overall analytics.
English
Pусский
Français
Español
Portugues
Deutsch
lingua italiana
العربية
Melayu
Filipino
Монгол хэл
dansk
Bahasa indonesia
日本語
한국어
Türk dili
Tiếng Việt
svenska
Nederlands
Norsk språk
Huang Xin