01 Sep 2009 FOCtek offers high quality and high precision Penta Prism ,FOCtek offers custom Penta Prism according to customers’ requirement. Material：BK7 Grade A optical glass
Dimension Axh (mm) ：2.5x2.5 ～ 100.0x100.0
Dimension Tolerance (mm) ：±0.2 (General), ±0.05 (High Precision)
90。Deviation Tolerance ：<1 min. (General), <3 sec. (High Precision)
Flatness @633nm ：λ/2 (General), λ/4 (High Precision)
Reflection (per face@400-700nm) ：R>90%
Surface Quality ：60/40 (General), 20/10 (High Precision)
Coating on input and output sides：uncoated, AR Coating,ribute Specification
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