Specifications of IR Pass 685nm Filter 1.25"
- Filter Size: 1.25 inches
- Transmission: 95% at bandpass
- Optical Quality: Multi-layer anti-reflection coating, non-cementing optical substrate coating
- Material: B260 substrate material from Germany, aluminum frame
- Surface Quality: 60/40 according to MIL-O-13830
- Surface Parallelism: 1/4λ, <30 parallelism over both surfaces
- Thread: Standard M28.5x0.6mm
- Shape: Round
- Net Weight: 3g / 0.12oz
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