{"id":15229,"date":"2025-07-05T14:11:58","date_gmt":"2025-07-05T12:11:58","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&p=15229"},"modified":"2026-09-29T20:04:38","modified_gmt":"2026-09-29T18:04:38","slug":"zwo-asi678mm","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/zwo-asi678mm\/","title":{"rendered":"ZWO ASI678MM"},"content":{"rendered":"

ZWO ASI678MM: monochrome sharpness for the demanding planetary photographer<\/strong><\/h2>\n\n\n\n

The ASI678MM is the monochrome version of ZWO\u2019s high-resolution planetary sensor. The Sony IMX678 delivers 3840 x 2160 pixels (8.3 MP) of 2.0 micrometers, without a Bayer matrix: each pixel captures the full signal. Combined with filters, you can extract the absolute maximum in sharpness and contrast from the moon, sun, and planets.<\/p>\n\n\n\n

Compared to the older ASI178MM, the read noise is lower, the infrared response is better, and the amplifier glow has completely vanished. The High Gain Mode from gain 182 suppresses the noise even further at the settings where planetary photographers live.<\/p>\n\n\n\n

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From the monoworkflow<\/h4>\n\n\n\n

With a filter wheel, you switch between red, green, blue, and infrared, stacking per channel at full resolution. An IR-pass filter delivers a smooth luminance during moderate seeing; RGB supplies the color. The result surpasses what a color sensor can capture.<\/p>\n\n\n\n

The dual connection (T2 and 1.25 inch) fits filter wheels, Barlows, and focusers without additional adapters.<\/p>\n<\/div>\n<\/div>\n\n\n\n

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Speed where it matters<\/h4>\n\n\n\n

At 47.5 frames per second at full resolution, and significantly more with cropped image areas (ROI), you will collect more than enough frames within Jupiter's rotation window.<\/p>\n\n\n\n

This is also an excellent sensor for solar photography in hydrogen-alpha or white light (always with a safe filter system).<\/p>\n<\/div>\n<\/div>\n\n\n\n

Featured accessories<\/h3>\n\n\n\n