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Re: ZWO New Products ASI290MM Mini & ASI174MM Mini

Posted: Tue Jan 23, 2018 4:29 pm
by glutch
How do these cameras do on an OAG? Also why did you go with a USB2 and not USB3 on the AIS174MM Mini?

Re: ZWO New Products ASI290MM Mini & ASI174MM Mini

Posted: Fri Jan 26, 2018 1:38 pm
by Sam
because this is for guiding
and we think USB2.0 is enough for guiding

Re: ZWO New Products ASI290MM Mini & ASI174MM Mini

Posted: Fri Feb 02, 2018 12:03 am
by glutch
Thanks for the info, I figured it was something like that but thought I would ask since the camera may be used for planetary work.

Re: ZWO New Products ASI290MM Mini & ASI174MM Mini

Posted: Fri Sep 07, 2018 2:35 am
by Palermo7
I am trying to post a question regarding the ASI290 guider port pin out....when using a ST-4 cable, PHD software gets bad calibration data.

I checked the wiring diagram and find that ZWO guiders, although claiming and illustrating a ST-4 pin out, use totally different pin out than ST-4 protocols on my SBIG guider ST-i.

Actually you are compatible with Orion or Vixen, not SBIG....

My mount is a Takahashi EM-400 with the new guider port and RD-12 communication cable.

SBIG pin 1 +RA
ZWO pin 1 N/C

SBIG pin 2 +DEC
ZWO pin 2 GND

And so on...

Looks like a full cable reversal 1 for 6, 2 for 5, 3 for 4, 4 for 3, 5 for 2 and 6 for 1.

I did not find a place to post this

Which one of us is correct?

Re: ZWO New Products ASI290MM Mini & ASI174MM Mini

Posted: Wed Sep 12, 2018 9:47 am
by Sam
The ST4 port on ASI camera is compatible with ASIAIR
just the line order of Takahashi is different from others
so you have to make a special cable