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Product details
SVBONY SV183 1.25 inch 685nm IR PASS Filter is an accessory designed for daylight infrared imaging. It enhances contrast and reduces viewing effects for astronomical and nature photography.
- Product type: Accessories
- Compatibility: SVBONY telescopes
- Material: Aviation aluminum 6061T6
- Key feature: Multi-layer coating, scratch-resistant
- Color/Variant: Black
- Wavelength range: 350-1100nm
- Cut-off wavelength: 670nm
- Light barrier: OD2 @ 400-660nm
- Peak transmittance: 670nm @ T equal to 50%, 673-1100nm @ T over 95%
- Surface quality: 60/40
- Parallelism: 30 inch
- Thread: M28.5 x 0.69
- Substrate thickness: 1.1mm
- Through hole diameter: 26mm
- Net weight: about 8g
- Enhances contrast for daylight infrared imaging
- Suitable for lunar and planetary imaging
- Made of lightweight and sturdy metal
- CNC machined, sandblasted, black anodized, and laser engraved
- Darkens twilight sky background for moon and planet photography
- Can be used for nature photography in the near infrared
- Not designed for observation purposes