Optolong

Showing 1-24 of 66 item(s)

Filters for astronomical telescopes

Optolong

Filter Optolong L-Pro anti-light pollution broadband 2"

OTLOG-L-PRO200

145.41 174.00 -28.59 VAT excl.

The L-Pro filter, which prevents the passage of artificial stray light, has five pass bands, located in those regions of the visible spectrum in which astronomical objects emit, and has received a highly positive response from amateur astronomers and astrophotographers.

In stock

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Dual narrow band astronomy filter Optolong L-eXtreme 2" L-eXtreme 2"

OTLOG-L-EXTR200

224.75 247.93 -23.18 VAT excl.

Unlike the Optolong L-eNhance filter, which is three-band (transmits Hb, Ha and OIII), the L-eXtreme filter is dual-band allowing the Ha and OIII emission lines to pass through.

In stock

Deliver it 8/15 days

Home

Optolong

Filtro Optolong L-Para (L-Parallels) 2"

OTL-L-Para-200

206.57 VAT excl.

In stock

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Filter Optolong L-eNhance nebular for DSLR and color cameras 2"

OTLOG-L-ENH200

167.73 214.01 -46.28 VAT excl.

The L-eNhance filter is a dual bandpass filter that allows nebular photography with DSLR, CMOS/CCD color cameras. It significantly reduces light pollution allowing color cameras to achieve the quality of monochrome cameras with narrow band filters.

In stock

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Filter set Optolong LRGB 2"

OTLOG-LRVB-200

289.22 297.48 -8.26 VAT excl.

Set of filters Optolong LRGB calibrated for astrophotography with monochrome cameras that after subsequent assembly of the individual images allows to obtain the object with its true color.

In stock

Deliver it 8/15 days

Narrow band filters for CCD cameras

Optolong

OPTOLONG L-ULTIMATE Dual 3nm 2" filter

OTLL-Ultimate2

289.21 VAT excl.

New 3nm dual OPTOLONG filter(H-Alpha, red and OIII, green-blue) designed to drastically reduce the effect of light pollution. It blocks light pollution, darkening the sky background. It also blocks artificial light from mercury vapor, high and low pressure sodium vapor, and unwanted daylight caused by neutral oxygen emission in our atmosphere

In stock

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Filter Optolong UV-IR Cut 2"

OTLOG-UVIRCUT-200

55.34 63.60 -8.26 VAT excl.

Filter Optolong UV-IR Cut to block ultraviolet and infrared rays in cameras that lack this type of filter.

In stock

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Filter Optolong L-Pro broadband anti-light pollution 1.25"

OTLOG-L-PRO125

121.45 130.00 -8.55 VAT excl.

In stock

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Filter Optolong L-eNhance nebular filter for DSLR and color cameras 1.25

OTLOG-L-ENH125

152.02 168.55 -16.53 VAT excl.

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Clear Filter Optolong 2"

OTLOG-CLEAR-200

25.58 29.71 -4.13 VAT excl.

Clear transparent filter can be used as dust protection, as a parafocal device for other filters or as a UV/IR filter in retro-reflective systems.

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Dual narrow band astronomy filter Optolong L-eXtreme 1.25" L-eXtreme 1.25

OTLOG-L-EXTR125

180.12 190.08 -9.96 VAT excl.

Unlike the Optolong L-eNhance filter, which is three-band (transmits Hb, Ha and OIII), the L-eXtreme filter is dual-band allowing the Ha and OIII emission lines to pass through.

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Skyglow Filter Optolong 2"

OTLOG-SKYGLOW-200

38.81 47.07 -8.26 VAT excl.

SKYGLOW Optolong interference filters designed to enhance deep sky observation in moderate light pollution conditions, blocking most wavelengths (skyglow and artificial light) that cause light pollution. In contrast, their transmission is maximal for H α and β, significantly increasing the contrast of nebulae, galaxies and star clusters.

Deliver it 8/15 days

Narrow band filters for CCD cameras

Optolong

Filter set Optolong SHO 3nm narrow band in 2"

OTLSHO3

876.00 908.26 -32.26 VAT excl.

The Optolong SHO-3nm filter kit includes the SII 3nm, H-Alpha 3nm and OIII 3nm narrowband filters, which generally work with astronomy-specific cooled monochrome cameras and modified DSLRs. Corresponding to the RGB channel (HA, OIII, SII), photographers can process the images with the Hubble palette using astronomical post-processing software.

Deliver it 8/15 days

Narrow band filters for CCD cameras

Optolong

Set of filters Optolong SHO 3nm narrow band in 36mm

OTLSHO3-36

661.12 908.26 -247.15 VAT excl.

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Filter Optolong H-A7 (H-Alfa 7nm) 2"

OTLOG-HA7-200

211.53 226.00 -14.47 VAT excl.

This narrow band filter offered by Telescopiomania is able to isolate the H-alpha line (656nm) of the visible spectrum, making it an effective barrier against stray light and is especially suitable for close study of the details of emission nebulae, providing high contrast and dramatically accentuating the details of this type of celestial objects.

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Filter Optolong L-Quad Enhance (L-QEF) 2"

OTLOG-L-QEF200

165.25 197.52 -32.27 VAT excl.

L-QEF suppresses light pollution from mercury and sodium lamps and produces a beautiful broadband image with minimal color cast. This filter is a broadband filter that suppresses wavelengths of light pollution. It is good for star clusters, dark and reflection nebulae, and galaxies in light polluted skies.

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Filter Optolong anti-light pollution CLS-CCD 2"

OTLOG-CLS-CCD200

128.88 139.00 -10.12 VAT excl.

The CLS-CCD broadband filter is designed to improve the visibility of deep space objects in astrophotography by selectively reducing transmission in the wavelengths of polluting artificial lights (mercury vapor and high and low pressure sodium lamps) and also natural light caused by the emission of neutral oxygen in our atmosphere (skyglow).

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Set of color filters Optolong LRGB 36"

OTLOG-LRVB-36mm

210.71 218.97 -8.26 VAT excl.

Set of filters Optolong LRGB calibrated for astrophotography with monochrome cameras that after subsequent assembly of the individual images allows to obtain the object with its true color.

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Filter Optolong H-Beta 25nm 1.25" H-Beta 25nm 1.25" filter

OTLOG-HB25-125

74.34 82.60 -8.26 VAT excl.

The Optolong H-beta filter is designed for visual observation of nebulae, providing maximum contrast, even under high quality skies, allowing the Horsehead Nebula to be observed with large diameter telescopes (250 or 300 mm).

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Filter Optolong H-A7 (H-Alpha 7nm) round 36x2,0mm without frame

OTLOG-HA7-36C

155.33 163.59 -8.26 VAT excl.

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Planetary filter Optolong U-Venus 1.25" Planetary Filter

OTLOG-UVENUS-125

156.99 165.25 -8.26 VAT excl.

The U-Venus filter allows to observe and obtain photographs, CCD images or video in the UV-A band (320-400 nm) and to observe the cloud structures of Venus.

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Fitro Optolong OIII 18nm 1,25" OIII 18nm 1,25" Fitro OIII 18nm 1,25"

OTLOG-OIII18-125

64.43 72.69 -8.26 VAT excl.

OIII narrow band filters are designed for the observation of nebulae emitting light of 500 nm wavelength. By selectively reducing transmission in the other wavelengths, they increase the contrast of nebulae and suppress the effects of street lighting, making them perfect for observing emission nebulae, planetary nebulae and supernova remnants.

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Filter Optolong anti-light pollution filter CLS EOS-C

OTLOG-CLS-EOSCF

77.64 83.00 -5.36 VAT excl.

The CLS (City Light Suppression) broadband filter is designed to improve the visibility of deep space objects by selectively reducing transmission at wavelengths typical of polluting artificial lights (mercury vapor and high and low pressure sodium lamps) and also natural light caused by the emission of neutral oxygen in the atmosphere (skyglow).

Deliver it 8/15 days

Filters for astronomical telescopes

Optolong

Filter Optolong UV-IR Cut 1.25"

OTLOG-UVIRCUT-125

36.33 44.59 -8.26 VAT excl.

Filter Optolong UV-IR Cut to block ultraviolet and infrared rays in cameras that lack this type of filter.

Deliver it 8/15 days

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 optical glass coating technology allows them to design and produce filters with a truly sophisticated combination of 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 light, has five pass bands, located in those regions of the visible spectrum where astronomical objects emit, and has received a highly positive response from amateur astronomers and astrophotographers. Optolong also manufactures other filters such as UHC, H-Beta, O-III, H-Alpha, SII, LRGB, Night Sky H-Alpha.

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