
Discovery of the M31 [OIII] emission arc
Recently, a major discovery by an international team of amateur astronomers and scientists has become a huge online hit, and this new discovery is just located in one of the
Recently, a major discovery by an international team of amateur astronomers and scientists has become a huge online hit, and this new discovery is just located in one of the
Exclusive Title Sponsorship of the World’s Premier Astronomy Photography Competition August 2025 — ZWO, a pioneer in astronomical imaging from China, is proud to announce its role as the exclusive
Hello Lóránd, thanks for accepting our interview invitation. Congratulations on winning the ASIWEEK competition in week #20/2025! This is also the third time you’ve been an ASIWEEK winner. Q1:Can you
“Astrophotography is a connection with nature, a look into space, into things we can’t see with the naked eye. It’s nice to sit in the evening under the sky next
Houston, Texas, USAShooting deep-sky targets from a Bortle 9 zone? Most would say it’s nearly impossible — but not Clint Shimer. Living next to a brightly lit baseball field in
In our third feature with longtime ZWO friend Michael Tzukran, we take a deeper dive into his astrophotography journey, technological evolution, and unforgettable nights under the desert sky. Although many
21 Comments
Ara Jerahian
Hi-
I saw this at NEAF, but I forgot to ask you when it will be released? I’m looking to move to an OAG for guiding.
Thanks,
Ara
Katherine Tsai
It needs 2 more months.
darren
please let me know when the helical focuser will be available to order. Thanks
Katherine Tsai
It needs 2 more months.
João Porto
When can I purchase one of these?
Paul
Availability date?
Katherine Tsai
2 more months.
Miguel
This focuser is what I have been needing for a while. When do you think it will be available for sale? I’ll need two!
Miguel 😎
David Fabrizio
I would like to get on the list to buy one for my FOUR ZWO cameras!
Katherine Tsai
Thank you for supporting us!
Daryl S
To cut down on weight on longer focal length scope , I need to make the transition to OAG. The zwo helical focuser will come in handy for tight focusing on the OAG but not available until end of June.
Daryl S
Katherine Tsai
We are working on it.
James P Webster
When will this be available? Please add me to a waiting list, if any.
Katherine Tsai
In the end of June.
Lucas
Hi , Availability date?
Katherine Tsai
In the end of June.
David Fabrizio
Will the helical focuser be ready soon?
Katherine Tsai
Yes it will be ready soon.
It will be rleased on 1st July.
Katherine Tsai
Yes it will be ready soon.
It will be shipped in 1st July.
John Schnupp
I am super happy to see that this is finally ready to be shipped. I have had this on (back)order since NEAF 2019 in April.
Katherine Tsai
Thank you for supporting us!