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ASI174 Manual

5. QE Graph & Read Noise

QE and Read noise are the most important parts to measure the performance of a camera.

Higher QE and Lower read noise are needed to improve the SNR of an image.

Relative QE : the peak value of QE is around 78%

ASI174 Mono Sensor

ASI174 Color Sensor

Содержание ASI174 Series

Страница 1: ...ASI174 Manual Revision 1 3 Nov 2017 All materials related to this publication are subject to change without notice and its copyright totally belongs to Suzhou ZWO CO LTD...

Страница 2: ...tions 6 5 QE Graph Read Noise 7 6 Getting to know your camera 9 6 1 External View 9 6 2 Power consumption 10 6 3 Cooling system 11 6 4 Protect Window 11 6 5 Analog to Digital Converter ADC 12 6 6 Binn...

Страница 3: ...oroughly If you have any other questions please feel free to contact us info zwoptical com ASI174 Cameras are designed for astronomical photography Its excellent performance and multifunctional usage...

Страница 4: ...regius Global Shutter CMOS technology available for amateurs who wants to focus on high quality Lunar Solar and deep sky imaging Monochrome VS Color Monochrome camera sensors are capable of higher det...

Страница 5: ...ASI174 Manual 5 3 What s in the box ASI174MM and ASI174MC ASI174MM COOL or ASI174MC COOL...

Страница 6: ...78 ADC 12 bit 10 bit Interface USB3 0 Adapters 2 1 25 M42X0 75 Back focus distance Uncooled 6 5mm Cooled 6 5mm Dimensions Uncooled 62mm Cooled 78mm Weight Uncooled 140g Cooled 410g Cooling cooled came...

Страница 7: ...and Read noise are the most important parts to measure the performance of a camera Higher QE and Lower read noise are needed to improve the SNR of an image Relative QE the peak value of QE is around 7...

Страница 8: ...he Read Noise of the ASI174 cameras is extremely lower when compared with traditional CCD cameras It is even lower when the camera is set at a higher gain Depending on your target you can set the Gain...

Страница 9: ...and sealed window AR coated D25 1 1mm Heat Sink USB3 0 or USB2 0 IN ST4 Guide Port USB2 0 Hub USB3 0 or USB2 0 IN Cooler power supply 5 5 2 1 DC socket 12V 3A AC DC power supply suggested Cooler Magle...

Страница 10: ...74 cameras are designed to have very low power consumption which is around 300ma 5V You only need the USB cable to power up the camera however you will need a separate power supply to activate the coo...

Страница 11: ...or lucky DSO imaging unlike the traditional CCD cameras which need very long exposures for each frame However keep in mind that cooling won t help with very short exposures such as less than 100ms Th...

Страница 12: ...ords in 12bit ADC and 10bit ADC You can image at a faster fps rate if you choose to use 10bit ADC high speed mode This camera also supports ROI region of interest shooting and this smaller ROI has fas...

Страница 13: ...g to your scope or lens Some are included with the camera and others you can order from our site Color camera connecting drawing 1 1 25 T Mount 2 1 25 filter optional 1 M43 T2 adapter 2 EOS T2 adapter...

Страница 14: ...er optional 3 M42 1 25 adapter 4 M42 M42 Male screw thread 1 M43 T2 adapter 2 EOS T2 adapter 3 2 Filter optional 4 1 25 T Mount 5 1 25 Filter optional 6 M42 1 25 Filter optional 7 T2 extender 11mm 8 M...

Страница 15: ...ASI174 Manual 15...

Страница 16: ...ar Then attach the camera and adjust the exposure to make sure not over exposed You can see an image like below if it s dirty The big dim spot on the image at right are the shadows of dust on the prot...

Страница 17: ...ASI174 Manual 17 9 Mechanical drawing ASI174MM ASI174MC ASI174MM COOL ASI74MC Cool...

Страница 18: ...er service 11 Warranty We provide 2 year warranty for our products we will offer repair service for free or replace for free if the camera doesn t work within warranty period After the warranty period...