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Optolong filters promotion during "Black Friday" will begin from 24th till 30th Nov 2022
Optolong filters promotion during "Black Friday" will begin from 24th till 30th Nov 2022 Optolong filters promotion during "Black Friday" will begin from 24th till 30th Nov 2022...
The “Red Moon” and Romantic Total Lunar Eclipse on 8th November 2022 in Kunming
The “Red Moon” and Romantic Total Lunar Eclipse on 8th November 2022 in Kunming The “Red Moon” and Romantic Total Lunar Eclipse on 8th November 2022 in Kunming...
Optolong L-eXtreme’s Substrate Change Notification
Optolong L-eXtreme’s Substrate Change Notification We’d like to inform you that the change of L-eXtreme filter, which also can be reference for your future purchases. This change is part of our effort and commitment to continuous improvement of our product and process. If you have questions regarding this change, please contact with the Optolong stuff referenced below....
Here L-Ultimate released on 15th August 2022
Here L-Ultimate released on 15th August 2022 After more than a year of trials and tests of Optolong new arrival L-Ultimate. Our techinic team spent such a long time of conducting extensive studies, testing dozens of times, inviting more than fifteen differnent countries of astrophotogrphers for actual use, feedback, improve...again and agin....
Optolong planetary filters kit, purchasing time: 4/15-5/30/2022
Optolong planetary filters kit, purchasing time: 4/15-5/30/2022 Optolong Planetary filters kit including UV/IR Cut, R, G, B, and IR685, 5pcs filters in total. These five filters are boundled by “Solar System Seal”. ...
Optolong Yunling Remote Observatory and the first piece of work NGC 2264
Optolong Yunling Remote Observatory and the first piece of work NGC 2264 Optolong Remote Observatory was located in Yunling, Yao’an County, Yunnan Province of China. The equipment there is mainly for testing Optolong items, including new filters....
Shortlisted Works of 2021 Optolong Deep-Sky Astrophotography Competition
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
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.
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 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
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
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 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 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
2021 NEAF and Optolong Optolong will experience 2021 NEAF, the Virtual Astronomy and Space Expo on 10th. April, only one day. ...