ASI290MM Mini (mono)

Sale!

$299.00 $269.00

ZWO ASI290MM Mini is Available Now!!!

SKU: ASI290MM-M Categories: , ,

Product Description

ASI290MM Mini camera integrates Sony IMX290 1/3″ sensor (5.6 mm x 3.2 mm). It is ZWO first mini camera. This camera has 1936 x 1096 pixels. The pixel size is 2.9 μm x 2.9 μm.  This camera provides 12bit ADC and its QE peak is over 80%.

asi290

Astrophotography Performance

ASI290 mini camera offers you very good performance for planetary imaging and guiding. Low read noise, high dynamic range, QE peak >80%, AR protective window and much more.

290 readnoiseHigh QE

Relative QE Curve, we estimate the Peak Value is about 80%.

ASI290MM QE

290Mini vs. 290MM

Compared with ASI290MM camera, 290mini have smaller outlook, lighter weight, and it can reach focus at same position with eyepiece.

USB2.0Port & ST4 Port

USB 2.0 Port: Mini camera has one USB2.0 type C port. Type C port is very popular in mobile phones, it will not care about positive side and negetive side of the adapter.

ST4 Port: Can connect mini camera direct connect to auto guide port of mount.

 

Connecting Drawing企业微信截图_15349961443718

  1. M28.5-CS adapter
  2. CS-C adapter
  3. 1.25″ extender
  4. 1.25″ filter

Mechanical Drawing

What is in the box?

ASI mini camera box includes all necessary cables, adapters, and manuals.

174 290mini配件图

Drivers and Softwares:

Our website has newest camera drivers and many DSO and Planetary capture softwares. Please make sure the newest driver and software has been installed before you start shooting:

https://astronomy-imaging-camera.com/software/

 

 

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ASI174 and ASI290 mini camera have very beautiful outlooks, small size, lighter weight, this is not a big deal.

We should consider much more…

How shall we choose a good guide camera?

Many people may say : must be small, suitable for different equipments(guide scope, OAG), stable working.

Yes, I think thoes are basic demands for a good guide camera, and ASI mini camera can do them well.

So, what else we do care in the deep of our mind?

I think there will be three potential requests: high sensitivity, precisely guiding, big FOV.

asi174miniVSasi290mini

High Sensitivity

Sensitivity is the first thing we considered. it is very important to look for a guide star. So, at beginning, we were considering to use mono sensor to design our guide camera only. Because mono sensor have much higher sensitivity than color ones. After that, we carefully compared the sensitivity of our sensors. At last, we decide to use 290 and 174  mono sensor. As we know, 290 and 174 mono sensor have about 80% QE peak, can detect more stars in view. Also, we can shorten the exposure time in guiding.

Precisely Guiding

290mini

 

ASI290 mini is designed for precisely guiding. 2.9um pixel size can give you a higher arcsec/pixel than 224 or 120 camera. Which means in same guide scope, 290mini can detective slighter movement of stars. ASI290 mini can improve about 30% guide precision than 120mm.

 

 

 

 

 

 Big FOV

174mini

 

ASI174 mini is designed for Big FOV guiding. This is very useful in OAG to looking for a guide star. When you use OAG guider working with Ritchey-Chretien or Schmit-Cassegrain telescope, the hardest part is to looking for a guide star. ASI174 mini have 1/1.2″ big sensor which means you can have a 4 times bigger Fov than 120mm.

 

 

 

 

Smiling Face

The back of ASI mini camera is like a smiling face, it’s mouth is Type C USB port, which is widely used in mobile phones. And it’s nose is ST4 port, for guiding. Every time, you use mini camera, there always will be a smiley face stay with you in the dark nights.

174miniVS290miniFocus like a eyepiece

ASI mini camera can focus at same position as eyepiece. You can focus with a eyepiece, and put ASI mini camera into 1.25″ holder.

画板 1

Work with OAG

Mini camera is very suitable for OAG, it can have much biger focus range than normal ASI cameras. Never to worry about that guide camera can not focus with main camera at same time.

OAG

Work with CS adapter and CS lens

P1040896Work with 1.25″ extender

P1040899ASI mini camera is available now! You can buy it form us or our dealers! Wish you all have clear skies!

Review:

https://www.cloudynights.com/topic/589232-zwo-290mm-mini-guidecam-beta-test-thread/

Sensor: 1/2.8″ CMOS IMX290/IMX291
Resolution: 2.1Mega Pixels 1936×1096
Pixel Size: 2.9µm
Exposure Range: 32µs-2000s
ROI: Supported
ST4 Guider Port: Yes
Focus Distance to Sensor: 8.5mm
Shutter Type: Rolling Shutter
Protect window: AR coated window
Operating System Compatibility: Mac, Windows, Linux
Interface: USB2.0
Bit rate: 12bit output(12bit ADC)
Adaptor:1.25″ / M28.5X0.6
Dimension: φ36mm X 61mm
Weight: 60g or 3.1 ounces (without lens)
Working Temperature: -5°C—45°C
Storage Temperature: -20°C—60°C
Working Relative Humidity: 20%—80%
Storage Relative Humidity: 20%—95%
Supported resolution

USB2.0 MAX FPS
1936×1096: 20.4
1280×960: 35.3
640×480: 141.5
320×240: 355.9
2X2Bin :968×548: 20.4

More resolutions can be user defined

Shipping

  • Fast Shipping(amount ≧ 299USD) for free
  • Fast Shipping(amount < 299USD) : $20.00
  • Free Shipping(amount < 299USD) (Air Mail, 3-4 weeks) (Free)

Introduction

  1. Fast Shipping: we will choose DHL, UPS, TNT, EMS etc to deliver it. Usually you will get your package in one week. We provide free fast shipping for order ≧ $299 or charge extra $20 for order < $299.
  2. Free Shipping: we will ship via DGM or China Post Registered Air Mail. It usually costs 2-3 weeks to reach US or Europe and costs 3-4 weeks to reach far places.
  3. Customers from Brazil and Chile should leave a message to provide your CPF or CNPJ as your custom needs it.
  4. Customers from Russia need to provide the name of your company.

Tracking site:

DGM: http://webtrack.dhlglobalmail.com/?locale=en-US

China air mail: http://www.17track.net/en

Tax

  • The price list on our website is USD without tax.
  • Please note that buyers areliable to pay tax involved, such as Import tax, VAT , customs handling fee, etc. The additional fees may be collected at time of delivery by courier.
  • For best local service we advise customers buy our cameras form local dealers.

Warranty and Return Policy

  • We provide 2-year warranty for our products, we will offer the repair service for free or replace for free if the camera doesn’t work within warranty period. After the warranty period, we will continue to provide repair support and service on a charged basis.
  • This warranty does not apply to damage that occurred as a result of abuse or misuse, or caused by a fall or any other transportation failures after purchase.
  • Customer must pay for shipping when shipping the camera back for repair or replacement
  • If you get a faulty camera, please contact us as soon as possible though email: info@zwoptical.com. Please describe the problem in detail and we will do our best to help you solve the problem. Most instances perceived problems are simply bad driver install or software configuration.
  • For customers who bought the camera from our dealer, dealer is responsible for the customer service for you.

 

Before first usage of this product read manuals and install correct drivers and software.

Do you have question, answer or comment? Post here!

  1. :

    Will the ASI290 mini work with the ASIAir module — the camera is only USB 2.0 and I heard that the ASIAir only works with USB 3.0 cameras -0- Thanks!




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    • Sean Wang

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      Yes, it is supported. USB3.0 cameras and Mini cameras.




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    • Sean Wang

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      It is supported. ASIAIR support all USB3.0 cameras and mini cameras.




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  2. :

    Hi Sam and Sean,

    When for convienience I plug my ASI290mm-Mini into my ASI071-Pro USB hub (on the back of the 071) does it automatically slow the ASI071 down to usb 2 speed even though I have the 071 on a USB 3 cable to computer?




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    • Sean Wang

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      No, 071 will keep USB3.0 speed.




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  3. :

    Very new to this guiding thing. I have done a lot of manual guiding with the prime being a 16″ F 4.5. My question is on focusing. I focus with an eyepiece, then I take the eyepiece out, and install the camera, and the camera will be in focus? Does it matter which eyepiece I use? Thanks.




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    • Sean Wang

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      If not focus, please add a 1.25″ extender(which in camera box)




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  4. :

    Hi Sean,
    Thanks for your reply – I’m pleased to hear this. I also have to retract what I said about amp-glow in my 290MC-Cool; the other night I shot a series of 2 minute darks with the camera at -25C, and the residual amp-glow was so subtle I had to view the frames with log scaling and histogram stretching to see it. Perhaps I was using old software the last time… apologies. I’m saving my pennies for the 294MC for DSI on larger (20+ inch) telescopes, but also want to try the 290MM-mini as it turns out I don’t known an unfiltered sensor (nor a dedicated guider, other than my ASI120MC). Thanks!




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    • Sean Wang

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      Hi Chris
      290mini is much sensitive than 120mc and more precise(smaller pixel size), it will provide a new experience in guiding.




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  5. :

    Hi Sean – “Ruben” asked in January if the camera employs amp glow reduction circuitry. I’m unclear about your answer. The IMX290LQR-C is the same chip as the IMX290LLR-C (mono version) , except that the mono version lacks a colour Bayer matrix on the pixels (which is entirely transparent > 850nm so here, both are effectively totally identical). The ASI290MC-cool I purchased from you a couple of years ago shows amp glow. Does this camera have circuitry to reduce amp-glow, even though it is intended mainly for guiding? If you wanted to take long exposures with it some cold winter night, would you see uncontrolled amp-glow or does it use similar circuitry to your bigger 290 cameras which should, by now, control amp-glow? – Thanks.




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    • Sean Wang

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      Hi Chris
      Yes, all our cameras employs amp glow reduction circuitry. reduce is not means disappear, the amp-glow still there, just less than without amp glow reduction. I don’t recommand to use 290 for long exposure, it isn’t as good as 1600 or other DSO camera.




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  6. :

    Hi, can it be used with mini EFW as it is 1.25inch while EFW camera interface is M42 threads? Thanks




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    • Sean Wang

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      No, but EFW have 1.25″ holder, you may use 1.25″ interface to make connection.




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  7. :

    Sean, thank you for your reply. Indeed it does depend on the QE, but it is tricky to assess this with relative instead of absolute QE curves. Nevertheless, an estimation can be appreciated.

    In the description for the 290m, you state “QE peak is over 80%.”. Therefore, if at 850nm the relative QE is ~0.5, then the absolute QE for the 290m at that wavelength should be ~40%.

    In comparison, in the description for the 224c you state “we estimate the Peak Value should between 75%-80%” If we also take 80% as best case scenario, then we can see that at 850nm, the relative QE is ~0.45, then the absolute QE for the 224C at that wavelength should be ~36%, which is slightly lower than the 290m.

    By the time we reach 1000nm, the extinction of the curve for the 224C finishes at ~0.1, whereas for the 290m, it finishes at ~0.15.

    Given the above, I can surmise that the 290m is actually slightly more sensitive in the IR range than the 224c.

    Thanks




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    • Sean Wang

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      Yes, add one explanation, mono camera is more sensitive than color camera( same chip model).




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  8. :

    Hi, which of these two cameras is the most sensitive in the IR range (ZWO IR pass filter >850nm) for guiding: ASI224C or ASI290MM (mono)?

    Many thanks




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    • Sean Wang

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      Depand on QE curve, 224mc is more sensitive thant 290 in IR range.




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  9. :

    What is the advantage of this new small form factor compared to the old one?
    What is the advantage of USB 2.0 compared to USB 3.0? USB 2.0 is slower than USB 3.0




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    • Sean Wang

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      Mini camera is designed to be a guide camera, the purpose is different.




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  10. :

    If interested mainly in planetary imaging, this camera should do well? Not the frame rate performance of USB3, but enough frame rate to deliver excellent results?




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    • Sean Wang

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      Yes, You are correct. It can be used in planetary imaging, just a little slow than USB3.0 cameras.




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  11. :

    Is there a specific work around using USB over CAT5 to get this as well as your other CMOS based cameras to work. Currently the 290 mini, nor the 174 mini will work on a usb over cat5 connection.




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    • Sean Wang

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      Yes, our camera support CAT5.




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  12. :

    Hello:

    have this camera amp glow reduction?




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    • Sam Wen

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      the amp glow of this camera is very small




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  13. :

    What is the back focus from the end of the adapter to the sensor?




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  14. :

    When will the ASI-290MM Mini be back in stock?




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    • Sam Wen

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      it’s instock now




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