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Looking to get a guide camera for off axis guider -thoughts on ASI174MINI or get the ASI174 MONO $100 Difference. What would be the benefit of getting one over the other ? i have the SCT 9.25 scope.
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The mini is USB2, the standard is USB3. For guiding this isnt important (with small chips like this). The mini is a much better choice for OAG. With the standard you would likely need to attach a nosepiece to insert it into the focuser, and this might not allow you to come to focus with some systems. The benefit of the mini is that it's body inserts into an OAG and it takes up very little backspacing. |
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The ASI 174MM is more suited for OAG's mainly because of the larger chip than most mini's and the pixel size helps a lot. The standard is made for speed with the same sensor and all, but more specific for lunar and sun imaging. To be honest I would go with the standard version. I could use her for guiding and imaging, but all depends of the OAG itself. Mine (the old one from ZWO the M68-L works in two configurations, so it won't be a problem. But this is my case. But like I said, the choice falls under the OAG that is used and if you want her only for guiding. Regards, Cesar |
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You'll almost certainly need the 174mm mini to get achieve focus with an OAG. The planetary camera's sensor will be too far back.
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I agree with those who vote for the mini. The sensor is the same on both but achieving focus with the standard version will be hard if not impossible depending on the distance to your imaging sensor. The mini is flexible and can be moved much closer to the prism if needed. Edit: The non-mini has better FPS, but this difference is only a matter of importance for planetary imaging, not guiding. |
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Nice question, and it is about OAG, so same question but for a guide scope not OAG, will standard be ok then? Not necessary better but at least it is working, i have ASI174MM standard and i am not willing to buy it again in mini version, maybe another model but not 174, so i was thinking if i can use the standard with nosepiece with a regular guide scope or a finder scope converted for guiding.
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Thanks all for the insight -I have the Celestron OAG and the asi585 for planetary imaging I’m going to go with the mini |
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Tareq Abdulla: On a guide scope either would be equal. Because there you aren't dependant on matching the distance to your imaging sensor. |
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Tareq Abdulla: I see, great, so then i won't force myself buying mini version for all scopes if i won't use OAG for all, thank you |
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I don't understand the question. They have two very different purposes. The mini is a great guide camera. The mono is not designed for that.
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Monty Chandler: Well, both are mono. Not sure what you mean. in general: I have the 174 (not mini). It is an excellent chip. If you use an OAG, the Mini is a must, because as mentioned above, you won’t come into focus with the normal one in most OAGs. That must be checked in advance. If you can go with the „normal“ one, e.g. guiding scope, it is an excellent camera not only for guiding, but also for solar or any lucky imaging, because it has an global shutter, which is extremely rare, but important. So if possible, go for the „big“ one. CS Rüdiger |
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Ok. The mini is for guiding. Apparently there is no confusion. Phew!
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Do you have zero interest in using the 174mm for planetary? Seems like a waste of a good planetary camera (I know you haven't bought one yet) but the 174mm would be an awesome planetary camera for mono imaging?
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I was looking for a guide camera for 9.25 SCT - i bought the Asi585 for planetary imaging. Will try and use the 174mm on the moon - would need to buy filters for the planets to bring out the color. |
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Hi, Found this thread and am trying to optimize my guiding with a new version of Maxin DL (7 versus 6). I am using a C11 and their large chip OAG. Generally worked OK with V6 of Maxim and ACP, but now the stars are too bright and the guiding has gone south. I want to use the new version of Maxim which is 64-bit to better handle my large ASI 6200 images. ZWO support suggests: RAW 8 Gain 189 Offset 90 USB limit 48 I have not been binning. Do you experienced users suggest 2x2? Thanks in advance for any help.... BTW... how do you read the gain # precisely????  |
