Prisms are blocks of optical material with flat polished sides arranged at precisely controlled angles to each other,which deflect, deviate and rotate beams of light as well as dispersing their wavelengths.

MT-Optics provides many kinds of high precision prisms, including as follows

Polarizer	Illustration	Material	Angle Precision	Application
Penta Prism		BK7	1 Min. Deviation 30 Sec. Deviation 10Sec. Deviation	Plumb Level, Surveying, Alignment, Range finding and Optical Tooling
Beamsplitter Penta Prism		BK7	1 Min. Deviation 30 Sec. Deviation 10Sec. Deviation Transmissio/ Reflection: 20/80±5 or 50/50±5	Plumb Level, Surveying, Alignment, Range finding and Optical Tooling
Right Angle Prism		BK7	3 Min. Deviation 1 Min. Deviation 30Sec. Deviation	Plumb Level, Surveying, Alignment, Range finding and Optical Tooling
Anamorphic Prism		SF11	1 min. Deviation 30 Sec. Deviation 10Sec. Deviation	Plumb Level, Surveying, Alignment, Range finding and Optical Tooling
Corner Cube Retroreflectors		BK7	3 Sec. Deviation 5 Sec. Deviation	Plumb Level, Surveying, Alignment, Range finding and Optical Tooling
Dove Prism		BK7	1 min. Deviation 30 Sec. Deviation 10Sec. Deviation	Plumb Level, Surveying, Alignment, Range finding and Optical Tooling
Roof Prism		BK7	1 min. Deviation 30 Sec. Deviation 10Sec. Deviation	Plumb Level, Surveying, Alignment, Range finding and Optical Tooling