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Penta Prism
Posted at: Offers to Sell and Export | Posted on: Monday 12 September 2016 2:16 am | Poster last visit: Saturday 17 September 2016 |
Product Category: Main
» Manufacturing Components and Supplies
» Industrial optics
» Lenses and prisms
» Prisms
» Penta Prism
Product Description:
Material: H-K9L, H-BaK7, etc;
Surface quality:40-20/20-10;
Dimensional tolerance:0.05mm;
Surface flatness:lambda/2;
Angle
tolerance:2'
A pentaprism is a five-sided reflecting prism used to deviate a beam of light by a constant 90°, even if the entry beam is not at 90° to the prism. The beam reflects inside the prism twice, allowing the transmission of an image through a right angle without inverting it (that is, without changing the image's handedness) as an ordinary right-angle prism or mirror would.
The reflections inside the prism are not caused by total internal reflection, since the beams are incident at an angle less than the critical angle (the minimum angle for total internal reflection). Instead, the two faces are coated to provide mirror surfaces. The two opposite transmitting faces are often coated with an antireflection coating to reduce spurious reflections. The fifth face of the prism is not used optically but truncates what would otherwise be an awkward angle joining the two mirrored faces.
Company Contact:
Contact Name: Tom Von
Company Name: Taiyo Optics (dongguan) Corp.
Email:
Tel: 0086-769-86080086
Fax: 0086-769-86080088
Street Address: No.2 Xianglong Rd,
Xincheng Dist, Shilong Town
Dongguan, Guangdong 523326
China
Website: http://www.taiyooptics.com
Member name: Taiyooptics
Country:
China
Member Since: 10 September 2016
Total Leads: 30 Taiyooptics Import Export Business Leads
Business focus: Prism, Cylindrical Lens, Optical Coating
Chat:
Verify: Safe Import Export Tips
Surface quality:40-20/20-10;
Dimensional tolerance:0.05mm;
Surface flatness:lambda/2;
Angle
tolerance:2'
A pentaprism is a five-sided reflecting prism used to deviate a beam of light by a constant 90°, even if the entry beam is not at 90° to the prism. The beam reflects inside the prism twice, allowing the transmission of an image through a right angle without inverting it (that is, without changing the image's handedness) as an ordinary right-angle prism or mirror would.
The reflections inside the prism are not caused by total internal reflection, since the beams are incident at an angle less than the critical angle (the minimum angle for total internal reflection). Instead, the two faces are coated to provide mirror surfaces. The two opposite transmitting faces are often coated with an antireflection coating to reduce spurious reflections. The fifth face of the prism is not used optically but truncates what would otherwise be an awkward angle joining the two mirrored faces.
Company Contact:
Contact Name: Tom Von
Company Name: Taiyo Optics (dongguan) Corp.
Email:
Tel: 0086-769-86080086
Fax: 0086-769-86080088
Street Address: No.2 Xianglong Rd,
Xincheng Dist, Shilong Town
Dongguan, Guangdong 523326
China
Website: http://www.taiyooptics.com
Member name: Taiyooptics
Country:
ChinaMember Since: 10 September 2016
Total Leads: 30 Taiyooptics Import Export Business Leads
Business focus: Prism, Cylindrical Lens, Optical Coating
Chat:
Verify: Safe Import Export Tips
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Main - Manufacturing Components and Supplies - Industrial optics - Lenses and prisms - Prisms [64]
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