List of products by brand Optolong

Optolong is China's largest manufacturer of optical filters, with unique products, such as the L-Pro, with 5 pass bands located in regions of the visible spectrum where astronomical objects emit, but prevents stray light from passing through. More

Optolong Optics Co. Ltd. is a manufacturer of astronomy filters, and other types of optical filters with applications in multiple industrial sectors. Located in Kunming City in China, their more than 20 years (since 1999) of experience in optics and multilayer coating technology of optical glasses allows them to design and produce filters with a combination of really sophisticated optical windows. Currently, Optolong is the first astronomical filter brand in China, with exclusive products. The L-Pro filter, which prevents the passage of artificial stray lights, has five pass bands, located in those regions of the visible spectrum where astronomical objects emit, and has received a highly positive response among amateur astronomers and astrophotographers.Optolong also manufactures other filters such as UHC, H-Beta, O-III, H-Alpha, SII, LRGB, Night Sky H-Alpha Less

Showing 49-65 of 65 item(s)

Filters for astronomical telescopes

Cookie name	Provider	Purpose	Expiry
cookiesplus	https://www.telescopiomania.com	Stores your cookie preferences.	1 year
isApp4Less	telescopiomania	Stores your cookie preferences.	1 year
PHP_SESSID	https://www.telescopiomania.com	This cookie is native to PHP and enables websites to store serialised state data. It is used to establish a user session and to pass state data via a temporary cookie, which is commonly referred to as a session cookie.	Session
PrestaShop-#	https://www.telescopiomania.com	This cookie helps keep user sessions open while they are visiting a website, and help them make orders and many more operations such as: cookie add date, selected language, used currency, last product category visited, last seen products, client identification, name, first name, encrypted password, email linked to the account, shopping cart identification.	48000 hours

Cookie name	Provider	Purpose	Expiry
collect	Google	It is used to send data to Google Analytics about the visitor's device and its behavior. Track the visitor across devices and marketing channels.	Session
r/collect	Google	It is used to send data to Google Analytics about the visitor's device and its behavior. Track the visitor across devices and marketing channels.	Session
_ga	Google	Registers a unique ID that is used to generate statistical data on how the visitor uses the website.	2 years
_gat	Google	Used by Google Analytics to throttle request rate	1 day
_gat_gtag_UA_*	Google	Used to throttle request rate.	1 minute
_ga_#	Google	Used by Google Analytics to collect data on the number of times a user has visited the website as well as dates for the first and most recent visit.	2 years
_gd#	Google	This is a Google Analytics Session cookie used to generate statistical data on how you use the website which is removed when you quit your browser.	Session
_gid	Google	Registers a unique ID that is used to generate statistical data on how the visitor uses the website.	1 day

Cookie name	Provider	Purpose	Expiry
fr	Facebook	Used by Facebook to deliver a series of advertisement products such as real time bidding from third party advertisers.	3 months
sib_cuid	Sendinblue	Collects information on the user's website navigation and preferences - This is used to target potential newsletter based upon this information.	1 year
tr	Facebook	Used by Facebook to deliver a series of advertisement products such as real time bidding from third party advertisers.	Session
_fbp	Facebook	Used by Facebook to deliver a series of advertisement products such as real time bidding from third party advertisers.	3 months

List of products by brand Optolong

Astronomical telescopes

Optical tubes

Mounts

Accessories for astronomical telescopes

Star Trackers

Fastar HyperStar

CCD cameras

Spectrographs and spectroscopes

Binoculars and binoculars

Monoculars

Night vision goggles

Terrestrial telescopes

Tripods and monopods

Rangefinders

Planetariums

Children's scientific games

Magnifiers

Microscopes

Weather stations

Backpacks Optical Equipment

Outdoor

RadioTelescopes

Books

Equipment Transport Cases and Boxes

Telescope Rental

Categories

Brands

Second hand and Km 0

Astronomy Courses

Gift cards

Highlights

Domes and Astronomical Observatories

Sales

Astronomy Magazine

Software

Sales Spain

Science Didactics

Headlamps

Products for the Moon

Binoculars

Accessory

Telescopes

General

Glasses

Set: Telescope + Microscope

Set: Telescope + Microscope + Binoculars

Backpack

Rain cover

Waterproof cover

Holster

Weight forest

Strap

Ball joint

Bag

Mini tripod

Monopod

Tripod and monopod

Tripod

Categories (x

y

z

Music of the stars

Thermal vision

Meteorites

Stratospheric balloon probes

Intelligent Bird Feeder with AI