dove prism is ideal for image rotation. dove prisms create animage inversion in a beam inputparalleltothebase.vyopticsphotoelectrictechnologyco.,ltd.cansupplyeachkindsizeandeachkinddimensiondove prism. the coating  or painting maybe available by custom orders.
specification of our dove prism as follow:
*material: bk7/quartz/other optical glass
*angle tolerance: +/-3 min
*dimension tolerance: +/-0.15mm
*flatness:λ/8
*surface quality: 20-10 scratch-dig
*clear aperture: 90%

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VYOpticsPhotoelectricTechnologyCo.,Ltd.
Molloy
18243052623
Changchun