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Dove Prisms and Roof Prism
BK7 And Fused Silica Glass Dove Prisms BK7 And Fused Silica Glass Dove Prisms

BK7 And Fused Silica Glass Dove Prisms

Invented by H.W. Dove, Dove Prisms are also known Reversion prisms.  When the prism is rotated about its length axis, the image viewed through the prism rotates at twice the prism rotation rate.  This is an unusual and sometimes useful property for special applications. Entry and exit faces are anti-reflection coated.

  • product origin:

    China

  • shipping port:

    Fuzhou China

  • lead time:

    4 working weeks

  • payment:

    T/T Payment, Western Union
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  • description

1.  What is dove prism?

 

A Dove prism is used to rotate, invert, or retroreflect an image,when the prism is rotated about its length axis,the image viewed through the prism rotates at twice the prism rotation rate.  Invented by H.W. Dove, Dove Prisms are also known Reversion prisms.  When the prism is rotated about its length axis, the image viewed through the prism rotates at twice the prism rotation rate


2. What's the applications of dove prism?


Dove prisms are mainly used as image rotators


3. What are the main materials of dove prism?


We manufacture dowell prism by N-BK7 Grade A optical glass.


  dove prisms dove prisms


Specifications:

Material:  N-BK7 Grade A optical glass,
Dimensional tolerance: +/-0.1mm
Surface quality:   60-40
Flatness: λ/4@632.8nm                                                             
Angle tolerance:  ±1 arcmin
Bevel:  Protective
Coating:  Optional


Part No. A (mm) B (mm) h (mm)
UDVP001 21.1 5 5
UDVP002 42.3 10 10
UDVP003 63.4 15 15
UDVP004 84.5 20 20

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Typical Specifications:


Typical materials: Flint (N/F2) and Crown (BK7)
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                             UV & IR materials on request
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Focal length: 3mm to 1000mm+
Centration: < 3 arcseconds
Surface figure: < 0.1 fringe
Surface quality: < 10/5 Scratch/dig
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More information on the achievable specifications for your individual application can be found by contacting our technical sales team. 

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