Sierra Precision Optics
Sierra Precision Optics. 1.530.885.6979

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United States Department of State ITAR Registered  

Manufacturing Capabilties

The Sizes and Tolerances You Demand

Diameter range:


3.00 mm (0.118 inches) to
254.00 mm (10.00 inches)

Diameter tolerance:


± 0.025 mm (0.001 inches)

Standard tolerance:


± 0.127 mm (0.005 inches)

Minimum thickness:


0.152 mm (0.006 inches)

Thickness tolerance:


± 0.0127 mm (0.0005 inches)

Standard tolerance:


± 0.127 mm (0.005 inches)

Radius standard range:


12.70 mm (0.500 inches) to infinity

Radius tolerance:


to 0.1%

Surface quality:


to 10-5

Surface figure:


To 1 /20 wave



to < 5 arc seconds for flatwork



to < 3 arc minutes for cylindrical



< 30 arc seconds

Components: Flatwork Plano Optics (Filters, Panels, Windows, Mirrors, Beam Splitters, Wedges and Prisms). Spherical Lenses, Cylindrical Lenses

Specialties: Cylindrical optics, Excimer laser components, Flowtubes and Custom shaped optics, 1/20th wave optical grade metal polishing of Invar 
and stainless steel.

Materials: Many standard and special optical glasses within UV, 
Visible, Near IR such as:
Fused Silica, Optical Glass including BK7, Pyrex, SF grades, Color Filter Glass, Samarium, Crystal Quartz, Calcium Fluoride, Magnesium Fluoride, Zerodur, Yag, Silicon, Germanium, Zinc Sulfide and Zinc Selenide.

Sizes and Tolerances:
Diameter Range: 3mm (0.118in) to 254mm (10.00in)
Diameter Tolerance: ± 0.025mm (0.001in)
Standard Tolerance: ± 0.127mm (0.005in)
Minimum Thickness: .152mm (0.006in) 
Thickness Tolerance: ± 0.0127mm (.0005in)
Standard Tolerance: ± 0.127mm (0.005in)
Radius Standard Range: 12.7mm (.500in) to ***
Radius Tolerance: ± .5%
** Custom capabilities beyond standard Radius range

Surface Quality to 10-5
Surface Figure to 1/20 wave

Surface Roughness to <2Å (measurement capability .5Å)
Parallelism/Wedge to < 5 arc seconds for flatwork
Parallelism/Wedge to < 3 arc minutes for spherical / cylindrical
Standard Tolerance:< 5 arc minutes
Centering: ± 0.025um (0.001in)
Standard Tolerance: ± 0.050mm (0.002in)

Metrology:                                                                                       Manufacturing Equipment:
CNC Machining Centers                                                               CNC Machining Centers
CNC Surface Grinders                                                                  CNC Surface Grinders
48 inch and 52 inch Continuous Polishers (CP)                     48 inch and 52 inch Continuous Polishers (CP)                    
48 inch Continuous Grinder (CG)                                               48 inch Continuous Grinder (CG)
Zygo Mark GPI XPS Interferometer                                             LOH LZ80Laser Centering and Edging machine                                    
Davidson Plano Interferometer                                                   LOH CM2SL Laser Centering and Edging machine
Nikon Autocollimator                                                                     Trioptics Opticentric MOT Cementing Station
Miutoyo Optical Comparitor                                                          A full complement of standard optical polishing, grinding, and generating   WYKO LT2000M Optical Surface Profilometer                         machines

VEECO Dimension 3100 Atomic Force Microscope

;© Copyright 2008 Sierra Precision Optics. 12830 Earhart Avenue, Auburn, CA 95602.
Phone: 530.885.6979. Fax: 530.885.1037. E-mail: . Website Design by Eloquence.