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QHY183M QHY183M نمایش بزرگتر

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QHY183M

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مشخصات

وزن ابزار650g
قابلیت نصب فیلتردارد
نام سنسور (Sensor)SONY IMX183 BSI CMOS
تعداد پیکسل (Resolution)5544*3684 - 20 mega
اندازه هر پیکسل (Pixel Size)2.4um*2.4um
تعداد فرم در ثانیه (Max FPS at full resolution)5544*3684 Full Resolution 19FPS@8BIT 7.5FPS@12BIT
دریچه شاتر (Shutter)50us-3600sec
مقدار نویز (Read Noise)2.7e-@lowest gain 1.0e@high gain
جنس بدنهفلز
نام دستگاهQHY183M/C
سیستم خنک کننده ( COOLED )دارد
رنگ سنسور (رنگی/سیاه سفید)سیاه و سفید
سرعت خروجی درگاهUSB 3.0 Camera
نوع سنسورCMOS
عمق چاه سنسور (Fullwell)15.5ke-
پورت گاید (Guide Port)دارد
مقدار اندازه فکوس (Back Focal Length)17.5mm
FSI/BSIBSI

اطلاعات بیشتر

【Cocoon Nebula】

By Simon Todd, with QHY183M

Introduction

QHY183 is a model designed for astrophotography beginners. It exhibits excellent sensitivity and low noise, with the back illuminated 183 having higher sensitivity and somewhat higher resolution.  It is well suited to planetary and deep-space imaging particularly when mated with the CFW3 filter wheel. This model has two-stage thermal electric cooling of the sensor to about minus 40 degrees C below ambient for maximum reduction of dark current noise in long exposures.

QHY183 incorporates QHY’s Anti-Amp Glow technology to significantly reduce typical CMOS amplifier glow to a minimum, allowing excellent calibration by subtracting a dark frame.

QHY183 utilizes the Anti-Dew features common to the QHY COLDMOS cameras. Dew is moisture that condenses from the air onto the outside of the chamber window.  Frost is water vapor that freezes when it comes into contact with the inside of the chamber window or the surface of the sensor.  QHY has nearly 20 years of experience designing cooled cameras and these models benefit from those years of anti-dew and anti-frost design experience.  To help prevent dew from forming on the chamber window heating elements are built into the light shield just above the chamber. To avoid frost from forming inside the chamber a desiccant tube is provided that can easily be attached by the user to the outside of the camera when needed to dry the internal atmosphere of the chamber and remove any built-up moisture.

QHY183 models can be used as guiding devices, too.  The opto-isolated guiding port is a standard ST-4 configuration using an RJ11 style Jack.  A guiding cable is included with each camera.

The 183 with its smaller higher resolution sensor is a good match to short focal length telescopes or for imaging smaller dim objects through a large scope.  The larger 163 gives a greater field of view and would be a good choice for imaging larger areas of the sky such as nebula or when coupled to a longer focal length telescope to take greater advantage of the scopes full field.

The QHY183M is a one-inch, 20 Megapixel back-illuminated monochrome CMOS camera with a peak QE of 84%.  The pixel size is 2.4um, yielding high-resolution with modest size telescopes.  The camera is capable of producing 15FPS@20 Megapixels.  It has a two-stage TEC that cools the sensor to -40C to -45C below ambient.  The ADC is 12-bit / 16-bit with 1e- read noise!  The computer interface is USB 3.0 and exposure times can be set from 50us to 3600sec.

Specifications

 

ModelQHY183M/C
CMOS SensorSONY IMX183 BSI CMOS
Mono/ColorBoth
FSI/BSIBSI
Pixel Size2.4um*2.4um
Effective Area5544*3684
Effective Pixels20 mega
Sensor Size

 

Typical 1 inch

13.3mm*8.87mm

Fullwell15.5ke-
AD Sample Depth12bit (output as 16bit and 8bit)
Max Full Frame Rate and ROI Frame Rate 5544*3684 Full Resolution

19FPS@8BIT    7.5FPS@12BIT

4096*2160 4K HD Video

31FPS@8BIT  12FPS@12BIT

1920*1080 HD Video

60FPS@8BIT   24FPS@12BIT

800*600 SVGA

106FPS@8BIT   42FPS@12BIT

640*480  VGA

130FPS@8BIT   53FPS@12BIT*
And more resolutions (Support any region ROI)

Readout Noise2.7e-@lowest gain

1.0e@high gain

Dark Current0.0024e/pixel/sec @ -15C
Exposure Time Range50us-3600sec
Unity Gain10
Anti-Glow ControlYes
Shutter TypeElectric Rolling Shutter
Computer InterfaceUSB3.0
Built-in Image Buffer128MByte DDR2 memory
Cooling SystemDual Stage TEC cooler (-40C below ambient)(Test temperature +20°)
Optic Window TypeQHY183M: AR+AR High Quality Multi-Layer Anti-Reflection Coating
QHY183C: IR cut filter
Anti-Dew HeaterSilicon gel tube socket
Telescope InterfaceM42/0.75
Back Focal Length17.5mm
Weigth650g
Curves

Accessories, Combos and Adapters
Recommended Combos

For cameras with a one-inch or smaller sensor (QHY183M/178/174/290), we recommend a combination of CFW3S-US + OAGS (optional);

ModelBFL ConsumedFilters Supported
QHY183M/174M/550P17.5mm7 position

1.25inch mounted /31mm unmounted

CFW3S-US15.5mm
OAGS10mm

 

Back Focal Length (BFL), in the commercial camera field, refers to the design distance from the center of the rear lens element to the surface of the sensor.  Generally, the lens will only focus correctly at infinity if the camera’s back focal length meets the standard requirements provided by the lens manufacturer.  This is also true for many Multi-Purpose Coma Correctors designed to be used on telescopes before the camera.

Optical systemBack focal length required
Typical Multi-Purpose Coma Corrector55mm – 57.5mm
Canon 35mm lens44.1mm
Nikon 35mm lens46.5mm
M42 All-in-one Adapter Pack for QHY183M

Currently We only provide M42 All-in-one pack for QHY183M. Different from kits above, all adapters/spacers in this pack share M42 screws rather than M54. This kit ONLY suits the combo of QHY183M+CFW3S-US/CFW3S-SR+OAGS. Below lists some examples of using the kit (M42 Nikon/Canon adapter not included in this pack)

Note: this kit also suits other cameras with sensors one inch or smaller (e.g., QHY183/178/174/290).

مشخصات

Reviews

مشخصات فنی CCD و CMOS

نام دستگاهQHY183M/C
نام سنسور (Sensor)SONY IMX183 BSI CMOS
نوع سنسورCMOS
رنگ سنسور (رنگی/سیاه سفید)سیاه و سفید
FSI/BSIBSI
اندازه هر پیکسل (Pixel Size)2.4um*2.4um
تعداد فرم در ثانیه (Max FPS at full resolution)5544*3684 Full Resolution 19FPS@8BIT 7.5FPS@12BIT
تعداد پیکسل (Resolution)5544*3684 - 20 mega
عمق چاه سنسور (Fullwell)15.5ke-
دریچه شاتر (Shutter)50us-3600sec
مقدار نویز (Read Noise)2.7e-@lowest gain 1.0e@high gain
سیستم خنک کننده ( COOLED )دارد
پورت گاید (Guide Port)دارد
قابلیت نصب فیلتردارد
مقدار اندازه فکوس (Back Focal Length)17.5mm
سرعت خروجی درگاهUSB 3.0 Camera
جنس بدنهفلز
وزن ابزار650g

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