STOCK OPTICS

Zhenchang has a huge range of off-the-shelf optical components available from stock, half of our business is supplying custom optics for immediate modification, purchase, and dispatch.

 

If can not find what you are looking for, simply get in touch and SZT would always be happy to help!

 

 

DATASHEET

 

Material

Acrylic

BK7

B270

SF11

Borofloat

Float Glass

Sapphire

UV Silica

Refractive Index

Nd

1.491

1.517

1.523

1.785

1.472

1.517

1.765

1.458

Abbe Value

Vd

58

64.2

58.6

25.8

65.7

59

72.2

67.7

Transmission Range

(nm)

350-1600

300-2700

320-2600

390-2300

310-2700

340-2300

170-5300

170-2500

Surface Reflectivity

(%)

3.9

4.2

4.3

7.9

3.6

4.2

7.7

3.5

Max Temperature

(℃)

80

350

320

300

500

300

2000

1050

Expansion Coefficient

(10-6/K)

67

7.1

8.2

6.1

3.2

9

5.3

0.5

Density

(g/cm3)

1.19

2.51

2.55

4.74

2.2

2.5

3.98

2.2

 

 

SPECIFICATIONS

 

LENSES

PLANO

FILTERS

Materials

Materials

Materials

Most crown, flint & UV glasses

Most optical glasses

Most plastics, filter & optical glasses

Diameter

Dimensions

Diameter

2-150mm

2-250mm

2-120mm

Diameter Tolerance

Dimension Tolerance

Diameter Tolerance

+0/-0.1mm

+0/-0.1mm

+0/-0.1mm

Radius Tolerance

Thickness Tolerance

Thickness Tolerance

+/-1.5mm

+/-0.1mm

+/-0.1mm

Centre Thickness Tolerance

Angle Tolerance

 Surface Quality

+0/-0.1mm

2 arc minutes

60-40

Centration

Parallelism

Clear Aperture

3 arc minutes

3 arc minutes

95%

Irregularity

Flatness

 

λ/4

λ/4

 

Surface Quality

 Surface Quality

 

40-20

40-20

 

Clear Aperture

Clear Aperture

 

95%

95%

 
Zhenchang

Suzhou Zhenchang Technology Co., Ltd

SZT executive team consists of highly experienced professionals with an average of over 20 years of expertise in the photonics industry. Having worked for renowned corporations around the world, such as Knight Optical, Laser Components, PowerPhotonic, Stock Optics, etc. each member has gained extensive knowledge and capability in design, manufacture, and international business operations. Together, we are committed to leveraging specialized understanding to drive progress, foster collaboration, and exceed expectations in every project you offer.

READ MORE

CONTACT

Add: Kaiping Business Center, Suzhou, Jiangsu, P.R. China, 215103

Tel: +86 13338009289
E-mail: tom@zhenchangsz.com

Office Hours: UTC 00:00-14:00

SHOP

©2025 Suzhou Zhenchang Technology Co., Ltd Powered by www.300.cn   SEO  Privacy Policy 

Business License

COOKIES

Our website uses cookies and similar technologies to personalize the advertising shown to you and to help you get the best experience on our website. For more information, see our Privacy & Cookie Policy

COOKIES

Our website uses cookies and similar technologies to personalize the advertising shown to you and to help you get the best experience on our website. For more information, see our Privacy & Cookie Policy

These cookies are necessary for basic functions such as payment. Standard cookies cannot be turned off and do not store any of your information.

These cookies collect information, such as how many people are using our site or which pages are popular, to help us improve the customer experience. Turning these cookies off will mean we can't collect information to improve your experience.

These cookies enable the website to provide enhanced functionality and personalization. They may be set by us or by third-party providers whose services we have added to our pages. If you do not allow these cookies, some or all of these services may not function properly.

These cookies help us understand what you are interested in so that we can show you relevant advertising on other websites. Turning these cookies off will mean we are unable to show you any personalized advertising.