BK7 pentaprism
SPP series
Vnation JSC

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Material:
BK7
Half Penta prism is exactly an half cut from penta prism, it is widely used in telescope.
Material: BK7 Grade A optical glass
Dimension Tolerance: ?0.2mm
Angle Tolerance: <3 arc minutes
Flatness: 90%
Products relative
Optical lenses
Optical filters and diffusers
Prisms and other refractive optical components