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Availability: Production Overrun Product:
Out of stock





About Production Overrun Products

Omega's production overruns offer exceptional value at a discounted price, and are backed by the same warranty as our stock products. After overrun inventory is exhausted, this product will still be available on a made-to-order basis. Please note it is available at this price on an overrun basis only.


Spectral Curves

The spectral curve and ascii data is a typical representation of this filter's performance, but may vary due to production and design variations. Omega only guarantees this part to meet the product specifications listed.

Detailed Specifications

Additional Information

SKU XF3057/20
Filter Type Dual Band
Inventory Type Production Overrun
Coating Type Protected Coating
Shape Round
Diameter (mm) 20
Diameter Tolerance (mm) +0/-0.1
Thickness (mm) ≤3.5
Clear Aperture Diameter (mm) ≥16
Flatness ns
Parallelism ≤ 15 arc seconds
Mounting Type Ring Mounted
Mounting (Outer Ø - Thickness - Clear Aperture in mm) M03-S 20-3.5-16
Transmission ≥ 80% peak 510-540 nm and 610-660 nm
Blocking ≥ OD4 UV-505 & 555-595nm
Transmitted Wavefront Distortion λ/4 RMS over 80% of CA
Angle of Incidence 0
Half-Cone AOI 0
AR Coating BBAR on mask side
Minimum Surface Quality Assembly per MIL-C-48497A (F scratch/ F Dig)