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QHYCCD QHY247C 24MP One-Shot Color Cooled CMOS Astrophotography Camera with Anti-Reflection Coating – QHY247C QHYCCD

$ 333

SKU: mode_3585713504336 Category: Camera Tags: $1500 - $2000, 20 MP and Above, 4um, Cameras, Cameras - Color, Cameras - Cooled, Clearance, istock-preorder, QHYCCD

Description
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This model has been discontinued by QHYCCD

The QHY247C uses an APC-S format, 24 Megapixel, 14bit CMOS color sensor, the Sony IMX193. This sensor is also used in the Nikon D5300 and D5500 cameras. It has 2.7e- read noise at lowest gain, 2.2e- read noise at unity gain (system gain = 1e/ADU), and 1.0e- at high gain. The QHY247C camera has the LOWEST read noise and thermal noise in the 165/168/247/367 production line.

True RAW Image Output

While the QHY247C has the same CMOS sensor as the D5300 and D5500 cameras, unlike the consumer cameras, the QHY247C offers True RAW Image output. 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. However, the QHY247C offers 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.

Unique Thermal Noise Reduction Technology

In addition to efficient 2-stage thermoelectric cooling, QHYCCD employs a unique thermal noise control technology to reduce CMOS sensor noise to a very low value without affecting the integrity of the raw image. This proprietary technology can be found to improve noise performance across the whole 165/168/247/367 product line, producing much better noise reduction than any competing camera model.

Zero Amplifier Glow

The QHY247C has zero amplifier glow no matter how long the exposure time.

Advanced AR Coating on CMOS sensor

The IMX193 sensor has AR coatings on the CMOS sensor glass. It also has AR coating on the micro-lens array. This design greatly reduces the halo around bright stars.

128MB DDRII Image Buffer

QHY247C has 128MB DDRII image buffer to cache the image and avoid the risk of a frame loss. The image data is stored in the DDR immediately after acquisition and then transferred to computer from the memory buffer. This avoids problems of a busy USB port when there are other peripherals using the same port as the camera.

Anti-Dew Technology

QHYCCD has more than 10 years of experience designing cooled cameras. The QHY247C receives the benefit of that decade of design work by featuring full anti-dew technology for both CCD sensor cover glass and the sensor chamber optical window. The QHY247C has an electric heating board for the chamber window to 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.

AR+AR Optical Window

In order to avoid halos around bright stars the QHY247C has a AR+AR coated optical window rather than the common IR cut window for Single-Shot Color cameras. This permits full access to the red wavelength of H-alpha and SII without attenuation by the window coating. For RGB color balance, without passing the near IR wavelengths above 700nm, a separate removable 2-inch UV/IR filter with the desirable bandpass characteristics is placed in a custom filter holder in front of the camera.

* Each camera is carefully calibrated at the factory with a high-precision axis measurement device. Orthogonal placement of the sensor is guaranteed to be flat to the image plane to better than +/-20um across the sensor from edge to edge, so there is no need to adjust for camera tilt absent mechanical errors elsewhere in the image train.

Specifications

CMOS Sensor	SONY IMX193 APS-C CMOS
AR Coating On Sensor	Yes
Pixel Size	3.91um*3.91um
Effective Pixel Area	6024*4024
Effective Pixels	24 mega
Effective Image Area	23.55mm*15.73mm
Full Well	36ke-
AD Sample Depth	14bit (output as 16bit and 8bit)
Sensor Size	APS-C Format
Full Frame Rate and ROI Frame Rate	60244024 3 FPS@14BIT 1080 lines (eg.41642160,1920*2160) 10 FPS
Readout Noise	2.7e @ lowest gain 1.0e @ high gain
Dark Current	0.0012e/pixel/sec @-15C
Exposure Time Range	50us-3600sec
Anti-Glow Control	Yes, almost no visible glow
Shutter Type	Electric Rolling Shutter
Computer Interface	USB 3.0
Built-in Image Buffer	128MB DDR2 memory
Cooling System	Dual Stage TEC cooler（-35C below ambient）
Anti-Dew Heater	Yes
Telescope Interface	M42/0.75
Optic Window Type	AR+AR High Quality Multi-Layer Anti-Reflection Coating (For color camera user need to add a UV/IR filter in the light path)

Weigth	700g

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When we receive your payment, orders will be delivered within one business day. Estimated delivery 3 - 5 days.

* Orders can be shipped via USPS Priority Mail (Express), First Class Mail or First Class Mail.

Refund unopened items to receive a full refund or exchange within forty days from the date that you received your item.

The buyer is responsible for return shipping costs unless the error of ours is at fault (e.g. If you receive an incorrect product or a damaged item We will cover the return shipping. If an exchange request is made and we are able to pay for the shipping costs to return the replacement item.

QHYCCD QHY247C 24MP One-Shot Color Cooled CMOS Astrophotography Camera with Anti-Reflection Coating – QHY247C QHYCCD

This model has been discontinued by QHYCCD

Specifications

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