QHY695A Mono The QHY695A combines a monochrome Sony ICX695 CCD, regulated cooling, a mechanical shutter and an integrated filter-wheel platform. Its 2758 × 2208 array has 4.54 µm pixels and 16-bit conversion for approximately six-megapixel imaging.
Manufacturer model: QHY695A Mono · Specifications checked against manufacturer data on 2026-11-03
The QHY695A combines a monochrome Sony ICX695 CCD, regulated cooling, a mechanical shutter and an integrated filter-wheel platform. Its 2758 × 2208 array has 4.54 µm pixels and 16-bit conversion for approximately six-megapixel imaging.
QHY’s exact-model manual specifies 79% peak QE, typical 4–5-electron read noise, 15–20 ke full well and approximately 0.3 electrons/ADU system gain. Supported binning is 1 × 1, 2 × 2 and 4 × 4, with exposures from 1 ms to 10,000 seconds.
Two-stage TEC cooling is specified at a typical 40 °C below ambient. The butterfly mechanical shutter provides the manual’s stated uniform illumination. Published carousel configurations are seven unmounted 36 mm filters or eight 1.25-inch filters; use the configuration fitted to the actual camera.
The manual lists M42 × 0.75 female connection, 33 ±0.5 mm backfocus in its drawing without OAG-S, and six M3 mounting points for QHYOAG. The front body measures 155 × 155 mm, with 52.5 mm front-body depth excluding the rear cooling assembly. Weight is 1550 g.
A heated optical window and removable desiccant-tube connection provide moisture control. Use external 12 V DC; the manual requires at least 3.5 A and centre-positive polarity and lists an optional 12 V 6 A adapter. QHY specifies 8 W with cooling at 0%, 16.5 W at 50% and 27 W at 100%. The cooler should be ramped gradually, following the manual’s operating procedure.
QHYCCD manufacturer documentation
Use the named-model manufacturer connection diagram and the backfocus reference for the selected adapter. Readout mode and output format affect frame rate, noise and full-well capacity.
| Readout | Progressive-scan CCD; manufacturer specification uses full-frame CCD wording |
|---|---|
| System gain | Approximately 0.3 electrons/ADU |
| Binning | 1 × 1; 2 × 2; 4 × 4 |
| Dew control | Heated optical window; air connection for removable desiccant tube |
| Filter wheel options | 7 × 36 mm unmounted or 8 × 1.25-inch; manufacturer configurations, not an assertion of a selected supplied carousel |
| Oag interface | Six M3 screw holes for QHYOAG |
| Power consumption | 8 W at 0% cooling; 16.5 W at 50%; 27 W at 100% |
| Manufacturer package list | Camera; QHYOAG-S; M42-to-2-inch adapter; USB and 12 V cables; grounding cable; desiccant tube; tool/screw set; inspection report; case |
| Front body dimensions (mm) | 155 × 155 |
| Body depth excluding rear cooler (mm) | 52.5 |
Data sheet
QHY695A Mono The QHY695A combines a monochrome Sony ICX695 CCD, regulated cooling, a mechanical shutter and an integrated filter-wheel platform. Its 2758 × 2208 array has 4.54 µm pixels and 16-bit conversion for approximately six-megapixel imaging.
Manufacturer model: QHY695A Mono · Specifications checked against manufacturer data on 2026-11-03
