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Shortlisted Works of 2021 Optolong Deep-Sky Astrophotography Competition Shortlisted Works of 2021 Optolong Deep-Sky Astrophotography Competition Announcement Voting for the "Top 6 Popularity Award" begins in the meanwhile... -
2021 NEW ITEMS SHO-3nm Narrowband Filters are available Pre-order of Optolong new filters - SHO3nm narrowband filters has begin. There are 2" mounted and 36mm unmounted available. Delivery for the first shipment is 25th. December. ... -
The 3rd. Optolong Deep-Sky Astrophotography Contest is taking place on Oct.20th. 2021. Dear Astro Folks, the 3rd. Optolong Deep-Sky Astrophotography Competition is taking place from today (October 20th.), and due on December 20th.2021. Lock and load, boys, come and submit your work at email: [email protected], WIN stunning prizes!!!... -
Optolong new item Canon EOS-R clip is released on 12th.Sep. 2021 Optolong new item Canon EOS-R clip is released. In suburban areas with weak light pollution, the color balance is good. The design of multi-band pass ensures excellent color restoration. Optolong L-Pro is a low color cast filter, which specially designed for starry sky photography. That is not possible with other light pollution filters ... -
After-sale Channel was Officially Established From today onward, Optolong after-sale channel was officially established. Send you email to [email protected], we will deal with your problems as soon as we get it. ... -
Optolong - 2021 Wide Field Astrophotography Competition Begin from 15th. July Lol..Optolong - 2021 Wide Field Astrophotography Competition has begin. The first prize surprisingly is Canon EOS-R camera body, and is going to be equipped with Optolong new EOS-R clip, WOW~incredibly perfect kit! Why are we still waiting?... -
“Ask Us Anything" Online Workshop is May 25th. "Ask Us Anything" online workshop what organized by Ron Brecher, Warren A. Keller and Peter Proulx is May 25 at 7pm BST and 7pm EDT. ... -
The 16th. Yunnan Roadside Astronomy Night The 16th. Yunnan Roadside Astronomy Night was held from 16:00 to 22:00 on April 24th., 2021 (the 13th. lunar month) at Haigeng Dam, Xishan District, Kunming. This even was mainly to spread popularization of science and astronomy. Optolong was there.... -
2021 NEAF and Optolong Optolong will experience 2021 NEAF, the Virtual Astronomy and Space Expo on 10th. April, only one day. ... -
Statement Resignation of Melisa Liu(刘玲艳) by Optolong Dear Valued clients, Effective from 22nd.,August 2019, Melisa Liu(刘玲艳) is no longer the staff of Optolong Optics Co.Ltd. She does not possess the authority to present our company in any transaction and deal. If you have any problem, please feel free to contact Helen Wen at email: [email protected] ...
