QHY294M Pro Cooled Monochrome Professional CMOS Camera

Starting Price: $1,295.00
Price as Configured: $1,295.00
Brand: QHYCCD / SKU: QHY-294M (11083)

The QHYCCD QHY294M Pro is a premium-quality cooled monochrome camera with an impressive CMOS sensor. The QHY294M uses the popular SONY IMX492 BSI CMOS sensor, achieving the pixel number output necessary for 4K at 120 frame/s.


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QHY-OAG-M (100094) - QHY Off-Axis Guider - Medium
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About This Product
The QHY Off-Axis Guider (OAG) has three models (QHYOAG-S,QHYOAG-M,QHYOAG-L).

This product is the Medium version.

Model QHYOAG-S QHYOAG-M QHYQAG-L
Telescope Interface M42/0.75 M54/0.75 M62/0.75
Diameter of 6 x M3 screw hole positions 54mm 62mm 68mm
Suitable for CCD/CMOS Size 1inch or smaller 4/3 inch

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QHY-CFW3-M - QHY Color Filter Wheel - Medium
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About This Product
The QHY CFW3 series filter wheels are available in four sizes to accommodate filters from 1.25-inch to 50 millimeters square.

This product is the Medium size, available in a standard (SR) version or thin (US) version.

Model Filter Supported
CFW3XL Slot 1: 9 position 2inch mounted/ 50mm unmounted
Slot 2: 7 position 50mm*50mm square
CFW3L 7 position 2inch mounted/50mm unmounted
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CFW3S-US 7 position 1.25inch mounted/31mm unmounted

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QHY-OAG-M (100094) - QHY Off-Axis Guider - Medium
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$230.00
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QHY-OAG-M (100094) - QHY Off-Axis Guider - Medium
About This Product
The QHY Off-Axis Guider (OAG) has three models (QHYOAG-S,QHYOAG-M,QHYOAG-L).

This product is the Medium version.

Model QHYOAG-S QHYOAG-M QHYQAG-L
Telescope Interface M42/0.75 M54/0.75 M62/0.75
Diameter of 6 x M3 screw hole positions 54mm 62mm 68mm
Suitable for CCD/CMOS Size 1inch or smaller 4/3 inch

APS-C,

APS-H,

36 x 24mm

QHY-CFW3-M - QHY Color Filter Wheel - Medium
QHY-CFW3-M - QHY Color Filter Wheel - Medium
$349.00
« Back to All Add-ons
QHY-CFW3-M - QHY Color Filter Wheel - Medium
About This Product
The QHY CFW3 series filter wheels are available in four sizes to accommodate filters from 1.25-inch to 50 millimeters square.

This product is the Medium size, available in a standard (SR) version or thin (US) version.

Model Filter Supported
CFW3XL Slot 1: 9 position 2inch mounted/ 50mm unmounted
Slot 2: 7 position 50mm*50mm square
CFW3L 7 position 2inch mounted/50mm unmounted
CFW3M-SR 5 position 2inch mounted/50mm unmounted
CFW3M-US 7 position 36mm unmounted
CFW3S-SR 7 position 1.25inch mounted/31mm unmounted
CFW3S-US 7 position 1.25inch mounted/31mm unmounted

QHY-030029 - QHY Active Extension Cable, DC 5V, 10m Long
QHY-030029 - QHY Active Extension Cable, DC 5V, 10m Long
$60.00
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QHY-030029 - QHY Active Extension Cable, DC 5V, 10m Long
About This Product
Why do you need an Active Extension Cable?

According to the characteristics of USB3.0, the maximum supported cable length of USB3.0 is about 3 meters, or the transmission stability cannot be guaranteed above 3 meters. In order to ensure the image quality, the standard USB cable length of QHY is 1.8 meters.
QHY-030028 - QHY Active Extension Cable, DC 5V, 5m Long
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QHY-030028 - QHY Active Extension Cable, DC 5V, 5m Long
About This Product
Why do you need an Active Extension Cable?

According to the characteristics of USB3.0, the maximum supported cable length of USB3.0 is about 3 meters, or the transmission stability cannot be guaranteed above 3 meters. In order to ensure the image quality, the standard USB cable length of QHY is 1.8 meters.
QHY-ComboA1 (20100) - QHY Adapter Kit Combo A1
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QHY-ComboA1 (20100) - QHY Adapter Kit Combo A1
About This Product
  • QHY Adapter Kit A1 compatible QHY294M and QHY163M, CFW3-M-US and QHY OAG-M
  • 55mm backfocus length achievable with the kit
  • Note: place the OAG next to the M48 output to focus both the main and guiding camera
  • Includes:
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    • 1x 3mm Spacer
    • 1x 0.5mm Spacer
    • 1x 10mm Spacer
    • 8x 22mm M3 Screws
QHY-ComboA2 (20101) - QHY Adapter Kit Combo A2 (for Canon EF Lens)
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$52.00
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QHY-ComboA2 (20101) - QHY Adapter Kit Combo A2 (for Canon EF Lens)
About This Product
  • QHY Adapter Kit A2 compatible with QHY294M and QHY163M and CFW3-S-US
  • With the kit, 44.1 mm backfocus length is achievable with adaptable Canon EF Lens
  • Includes:
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    • 1x 4mm Screwed Adapter M54
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    • 1x 1mm Spacer
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    • 8x 10mm M3 screws
QHY-ComboA3 (20102) - QHY Adapter Kit Combo A3 (for Nikon F Lens)
QHY-ComboA3 (20102) - QHY Adapter Kit Combo A3 (for Nikon F Lens)
$35.00
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QHY-ComboA3 (20102) - QHY Adapter Kit Combo A3 (for Nikon F Lens)
About This Product
  • QHY Adapter Kit A3 compatible with QHY294M / QHY163M and CFW3-M-US
  • With the kit, 46.5mm backfocus length is achievable with adaptable Nikon F Lens
  • Includes:
    • 1x 10mm Nikon F Adapter M54
QTY:  
Price as Configured: $1,295.00

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The 294 Pro has 11.7 MP at 4.63um, 14-bits A/D. The IMX294 and IMX492 chips have 46.8 million 2.315um pixels, which Sony 2×2 bins on-chip to create the sensor’s advertised 11.7 million 4.63um pixel array. The QHY294 Pro series camera is capable of locking and unlocking the on-chip binning to provide two readout modes. The first mode reads the sensor “locked” mode to produce 11.6mp images with 4.63um pixel size and 14 bits per pixel. The second read mode unlocks the binning to produce 46.8mp images with 2.315um pixel size at 12 bits per pixel.

The QHY294 Pro CMOS sensor has a dual gain mode, HGC (high gain) and LGC (Low gain). The QHY294 Pro will switch the two modes automatically when the gain is set to 1600 you will get the benefits of the ultra low read noise (1e- to 1.6e-) of the HGC mode and a full well capacity of about 14.5ke- at the switch point setting.

BSI

One benefit of the back-illuminated CMOS structure is improved full well capacity. In a typical front-illuminated sensor, photons from the target entering the photosensitive layer of the sensor must first pass through the metal wiring that is embedded just above the photosensitive layer. The wiring structure reflects some of the photons and reduces the efficiency of the sensor.

In the back- illuminated sensor the light is allowed to enter the photosensitive surface from the reverse side. In this case the sensor’s embedded wiring structure is below the photosensitive layer. As a result, more incoming photons strike the photosensitive layer and more electrons are generated and captured in the pixel well. This ratio of photon to electron production is called quantum efficiency. The higher the quantum efficiency the more efficient the sensor is at converting photons to electrons and hence the more sensitive the sensor is to capturing an image of something dim.

TRUE RAW Data

In the DSLR implementation there is a RAW image output, but typically it is not completely RAW. Some evidence of noise reduction and hot pixel removal is still visible on close inspection. This can have a negative effect on the image for astronomy such as the “star eater” effect. However, QHY Cameras offer TRUE RAW IMAGE OUTPUT and produces an image comprised of the original signal only, thereby maintaining the maximum flexibility for post-acquisition astronomical image processing programs and other scientific imaging applications.

Anti-Dew Technology

Based on almost 20 years of cooled camera design experience, the QHY cooled camera has implemented the fully dew control solutions. The optic window has built-in dew heater and the chamber is protected from internal humidity condensation. An electric heating board for the chamber window can prevent the formation of dew and the sensor itself is kept dry with our silicon gel tube socket design for control of humidity within the sensor chamber.

Cooling

In addition to dual stage TE cooling, QHYCCD implements proprietary technology in hardware to control the dark current noise.

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Dimensions