SVBONY SV183 1.25 inch 685nm IR PASS Filter

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