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                        | Dove Prism |  
                        | Dove prisms used for invert,or rotate an light or image based on the different face light incidence. PHYO Dove Prism with coating option as request.
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    |     | Spec | Commercial | High Precision |    | Material | As required like  H-K9L,BK7,FS | As required like  H-K9L,BK7,FS |    | Demension  Tolerance | +0.00/-0.20 | +0.00/-0.10 |    | 90degree  daviation tolerance | 1-3arcmin | 10/-10arcsec |    | 45degree  daviation tolerance | 20/-20arcsec | 3/-3arcsec |    | Flatness per  25mm@632.8nm | L-L/2 | L/4-L/8 |    | Surface  quality | 60-40 | 40-20 |    | Bevel | 0.05-0.2 | 0.05-0.2 |    | Coating | AR, HR | AR, HR |  |  |  |  |  |