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ASI290 Manual

7

5.

QE Graph & Read Noise

QE and Read Noise are the most important parameters to measure the performance of a camera.

Higher QE and lower Read Noise are needed to improve the SNR of an image.

Mono 290 sensor Relative QE Curve

Color 290 sensor Relative QE Curve

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Содержание ASI290MC

Страница 1: ...1 ASI290 Manual Revision 1 2 Mar 2018 All materials related to this publication are subject to change without notice and its copyright totally belongs to Suzhou ZWO CO LTD...

Страница 2: ...specifications 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 10 6 4 Protect Window 11 6 5 Analog to Digital Converter ADC 11...

Страница 3: ...oroughly If you have any other questions please feel free to contact us info zwoptical com ASI290 Cameras are designed for astronomical photography Its excellent performance and multifunctional usage...

Страница 4: ...era sensors are capable of higher details and sensitivity than color sensors but you need additional accessories such as filter wheel and filters The post processing is more complicated too So color c...

Страница 5: ...ASI290 Manual 5 3 What s in the box ASI290MM or ASI290MC ASI290MM COOL or ASI290MC COOL...

Страница 6: ...well 14 6k e ADC 12 bit Interface USB3 0 USB2 0 Adapters 2 1 25 M42X0 75 Protect window AR window Dimensions Uncooled 62mm Cooled 78mm Weight Uncooled 120g Cooled 410g Back Focus Distance Uncooled 12...

Страница 7: ...se QE and Read Noise are the most important parameters to measure the performance of a camera Higher QE and lower Read Noise are needed to improve the SNR of an image Mono 290 sensor Relative QE Curve...

Страница 8: ...he Read Noise of the ASI290 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: ...port instead of USB2 0 hub USB3 0 or USB2 0 IN Protect and sealed window AR coated D25 3mm 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 suppl...

Страница 10: ...t 3A or more AC DC adapter for cooler power supply 2 1mm 5 5mm center positive You may also use a battery supply from 9V to 15V to power the cooler Here is a test result of the cooler power consumptio...

Страница 11: ...hickness is 3 mm 6 5 Analog to Digital Converter ADC The ASI290 camera records 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...

Страница 12: ...ng 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 adapte...

Страница 13: ...ter 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...

Страница 14: ...ASI290 Manual 1 4...

Страница 15: ...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 16: ...ASI290 Manual 1 6 9 Mechanical drawing ASI290MM ASI290MC ASI290MM COOL ASI290MC COOL...

Страница 17: ...e customer service 11 Warranty We provide 2 year warranty for our products We offer repair service or replacement for free if the camera doesn t work within warranty period After the warranty period w...

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