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90 Degrees Deviation Penta Prism

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90 Degrees Deviation Penta Prism

Brand Name : STAR OPTIC

Model Number : PTP

Certification : RoHS, ISO9001

Place of Origin : Wuhan, China

MOQ : Negotiable

Price : Negotiable

Payment Terms : T/T, Western Union, Paypal

Supply Ability : 50000pcs/Month

Delivery Time : Negotiable

Packaging Details : Safe and dust-free packing

Product Name : Penta Prism

Usage : deviate a beam of light by a constant 90° without inverting

Applications : ideal optical tool for defining a right angle in an optical system, laser level and alignment

Coating : Protected Aluminum reflective coating at both reflection surface

Input and output faces : AR coated Single layer MgF2

90° Deviation Tolerance : <30 arc seconds

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Penta Prism, 90 Degrees Deviation Prism, Right-Handed Image Prism

Overview:

A Penta Prism 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.

Penta prism is the ideal optical tool for defining a right angle in an optical system, laser level and alignment.

General Specifications of Penta Prism:

Material BK7, UV grade Fused Silica 90 Degrees Deviation Penta Prism
Dimension Tolerance ±0.2mm

90° Deviation Tolerance

 30 arc seconds
Flatness λ/4@632.8nm
Surface Quality 60/40 scratch and dig
Clear Aperture >90%
Chamfer Protective<0.5mm@45°
Coating

Protected Aluminum reflective coating
Single Layer MgF2 AR coating at VIS

Standard Products of Penta Prism:

PN. Material A(mm)

h

(mm)

 Deviation Coating
PTP0706 N-BK7 7.0 6.0 30 arc sec MAL + MgF2
PTP1010 N-BK7 10.0 10.0 30 arc sec MAL + MgF2
PTP2020 N-BK7 20.0 20.0 30 arc sec MAL + MgF2
PTP2525 N-BK7 25.4 25.4 30 arc sec MAL + MgF2


Product Tags:

90 Degrees Optical Prisms

      

Half Penta Prism 90 Degrees

      

Right Handed Optical Prisms

      
China 90 Degrees Deviation Penta Prism wholesale

90 Degrees Deviation Penta Prism Images

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