Gold Member Since 2017
Audited Supplier
Changchun Yutai Optics Co., Ltd.

Bk7 Prisms, Opticaprisms, Laser Lens manufacturer / supplier in China, offering Porro Prism, Optical IR Filters Narrow Bandpass Optical Interference Filter (850nm 940nm), Winton Optical Glass Prisms and so on.

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Porro Prism

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
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Production Capacity: 40000/Year
Transport Package: Box
Payment Terms: T/T, Western Union, Paypal

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Basic Info
  • Model NO.: D5~D200
  • Usage: Beam Dispersion
  • Material: Bk7
  • Customized: Customized
  • Polished: Yes
  • Specification: 12.7mm
  • HS Code: 9001909090
  • Type: Triangle Prisms
  • Shape: Triangle Prisms
  • Application: Medical Instrument
  • Color: Transparent
  • Trademark: Yutai
  • Origin: Changchun
Product Description

In optics, a Porro prism, named for its inventor Ignazio Porro, is a type of reflection prism used in optical instruments to alter the orientation of an image.

It consists of a block of glass shaped as a right geometric prism with right-angled triangular end faces. In operation, light enters the large rectangular face of the prism, undergoes total internal reflection twice from the sloped faces, and exits again through the large rectangular face. Because the light exits and enters the glass only at normal incidence, the prism is not dispersive.

An image travelling through a Porro prism is rotated by 180° and exits in the opposite direction offset from its entrance point. Since the image is reflected twice, the handedness of the image is unchanged.

Porro prisms are most often used in pairs, forming a double Porro prism. A second prism, rotated 90° with respect to the first, is placed such that the beam will traverse both prisms. The net effect of the prism system is a beam parallel to but displaced from its original direction, with the image rotated 180°. As before, the handedness of the image is unchanged.

Double Porro prism systems are used in small optical telescopes to re-orient an inverted image (an arrangement is known as a image erection system), and especially in many binoculars where they both erect the image and provide a longer, folded distance between the objective lenses and the eyepieces.

Commonly, the two components of the double Porro system are cemented together, and the prisms may be truncated to save weight and size.

A single Porro prism is a type of roof prism, though it is not used in this way in binoculars.

A variation on the double Porro prism is the Porro-Abbe prism.

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Factory information

Yutai Optics, we specialize in the design and volume manufacturing of high performance optical components such as lens,prisms,windows,filters,mirrors and more for use in optical instruments and laser systems, as well as for military, telecommunications,medical, environment monitoring industry.
Yu Tai Optics has quickly established itself as a leader in optical components from its advanced technology and quality control. 
Factory
Porro Prism

 
Packaging & Shipping

 1 Package Detail: A. Standard carbon and envelop with plastic foam.

                               B. Safety green carton.

                               C. Customized.

Porro Prism
 

2 Delivery Detail: Within 30 days.(Also depand on the quantity)


Porro Prism
 
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