ZWO LRGB filter set 1.25 inch for ASI 1600 MM Mono is specially tuned to the sensor response of the ZWO ASI 1600 MM (cooled and uncooled). The set contains four parfocal interference filters: Luminance (UV/IR-cut), Red, Green and Blue. Thanks to the thin-film coating (over 92% transmission) and precise color balance, you achieve maximum sharpness, contrast and true-to-life colors in deep-sky imaging and planetary photography.
Key Benefits
✓ Sensor-matched: optimized bandpasses for the ASI 1600 MM → more efficient stacking, less noise
✓ UV/IR-cut L-filter: blocks distorting UV/IR light, delivers sharper star edges
✓ Parfocal: no refocusing when changing filters → fast workflow
✓ Interference technology: true thin-film filters, not color foils; >92% light transmission
✓ Free from vignetting at f/5 and slower; use at f/4 (or faster) in combination with a ZWO filter wheel (10 mm filter-to-sensor) for edge-free images
✓ Multi-coating on both sides: minimizes reflections and halos around bright stars
Practical Application
With the cooled ASI 1600 MM, you can take low-noise LRGB deep-sky photos of nebulae, galaxies and clusters. Using the uncooled version? Then benefit from very short exposures for planetary imaging with natural colors. The parfocal construction saves time and prevents focus errors between individual color channels.
Specifications (Brief)
- Format: 1.25 inch, mounted
- Type: Interference filters (L, R, G, B)
- Transmission: >92%
- Glass thickness: 1.85 mm
- Coating: Full multilayer, anti-reflection
- Parfocal: Yes
- Housing: Anodized aluminum
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