SVBONY
SVBONY SV183 1.25 inch 685nm IR PASS Filter
SVBONY SV183 1.25 inch 685nm IR PASS Filter
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Handling time 1 - 3 working days. (PMC has to process your order and put all your items through its strict quality-control tests.)
Transit time 7 - 15 working days.
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Return Guarantee
For whatever reason if you are unsatisfied with your order within 7 days you can return it to us in new condition for a refund minus the shipping charges.
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Missing/Wrong Items Guarantee
Missing/Wrong Items Guarantee
If you receive a parcel with missing/incorrect/secondary packing items, please contact us within 7 days of delivery and provide the relevant proof. PMC will make compensation based on the damage situation.
1. Wavelength range: 350-1100nm
2. Cut-off wavelength: 670nm
3. Light barrier: OD2 @ 400-660nm
4. Peak transmittance: 670nm @ T equal to 50% 673-1100nm @ T over 95
5. Surface quality: 60/40
6. Parallelism: 30 inch
7. Material: aviation aluminum 6061T6, B260
8. Thread: M28.5 x 0.6
9. Substrate thickness: 1.1mm
10. Through hole diameter: 26mm
11. Net weight: about 8g
Features:
1. Sufficiently reduce the viewing effect and enhance the contrast, can be well used for daylight infrared imaging, when used for lunar and planetary imaging, it can reduce the viewing effect and enhance the contrast
2. Multi-layer coating, scratch-resistant, center wavelength stability
3. Made of lightweight and sturdy metal and CNC machined, sandblasted, black anodized and then laser engraved
4. Filter darkens the twilight sky background for photographing the moon and planets at dawn or dusk
5. In addition to astronomical use, it can also be used for nature photography in the near infrared (requires the use of a camera sensitive to infrared above 670nm, e.g. as a modified DSLR or webcam)
6. Please note that the filters are not designed for observation purposes and do not apply to vision
