Optolong is located in Kunming, Yunnan Province, and was founded in 1999. After 18 years of development, a product range has been created, consisting mainly of astronomical fluorescence filters: filters and bandpass filters, complimented by ultraviolet and infrared filters, together with other optical filters. The company currently employs almost 60 members of staff and the factory space occupies more than 2,000 ㎡. With high-quality products, an extensive range and reasonable prices, Optolong is a reliable partner for astronomical filters.
Optolong
Filters UHC Filter 1,25
( 5 / 5 )
$ 85.00
ready for shipping in 24
h
Optolong
Filters Clip Filter for Canon EOS APS-C OWB
$ 96.00
ready for shipping in 24
h
Optolong
Filters L-Pro 2''
Our price:
RRP:
$ 224.00
$ 192.00
ready for shipping in 24
h
Optolong
Filters L-Pro 1.25''
Our price:
RRP:
$ 170.00
$ 138.00
ready for shipping in 24
h
Optolong
Filters Clip Filter for Canon EOS APS-C CLS
Our price:
RRP:
$ 106.00
$ 85.00
ready for shipping in 24
h
Optolong
Filters Filter L-eNhance 1.25
Our price:
RRP:
$ 202.00
$ 187.00
ready for shipping in 24
h
Optolong
Filters SII Filter 1.25"
$ 154.00
ready for shipping in 24
h
Optolong
Filters Clear Sky Filter 82mm
$ 234.00
ready for shipping in 3-5
weeks
Optolong
Filters LRGB Filter-Set 1,25
Our price:
RRP:
$ 262.00
$ 224.00
ready for shipping in 24
h
Optolong
Filters LRGB Filter-Set 2"
Our price:
RRP:
$ 395.00
$ 341.00
ready for shipping in 3-5
weeks
Optolong
Filters SII Filter 2"
Our price:
RRP:
$ 256.00
$ 245.00
ready for shipping in 24
h
Optolong
Filters Clear Sky Filter 77mm
$ 181.00
ready for shipping in 24
h
Optolong
Filters Venus U-Filter 2''
$ 277.00
ready for shipping in 24
h
Optolong
Filters Clip Filter for Canon EOS APS-C L-Pro
Our price:
RRP:
$ 277.00
$ 234.00
ready for shipping in 3-5
weeks
Optolong
Filters L-eXtreme 1,25"
$ 266.00
ready for shipping in 24
h
Optolong
Filters Clip Filter for Canon EOS APS-C H-Alpha
Our price:
RRP:
$ 245.00
$ 207.00
ready for shipping in 24
h
Optolong
Filters Clip Filter for Canon EOS FF UHC
Our price:
RRP:
$ 138.00
$ 103.00
ready for shipping in 3-5
weeks
Optolong
Filters Clip Filter for Nikon Full Frame L-Pro
( 1 / 5 )
RRP:
$ 298.00
Our price:
RRP:
$ 298.00
$ 255.00
ready for shipping in 24
h
Optolong
Filters Clip Filter for Canon EOS FF L-Pro
( 5 / 5 )
RRP:
$ 373.00
Our price:
RRP:
$ 373.00
$ 255.00
ready for shipping in 24
h
Optolong
Filters Clip Filter for Canon EOS APS-C CLS-CCD
Our price:
RRP:
$ 138.00
$ 103.00
ready for shipping in 24
h
Optolong
Filters L-Ultimate 2"
Our price:
RRP:
$ 427.00
$ 412.00
ready for shipping in 24
h
Optolong
Filters L-Pro Filter 77mm
Our price:
RRP:
$ 384.00
$ 307.00
Product can be shipped as of 01.05.2024
Optolong
Filters L-Pro Clip Sony Full Frame V2
$ 256.00
ready for shipping in 3-5
weeks
Optolong
Filters H-alpha 3nm 2"
$ 480.00
ready for shipping in 3-5
weeks
Optolong
Filters L-Quad Enhance 2"
$ 256.00
Product can be shipped as of 01.05.2024
Optolong
Filters L-Ultimate 1,25"
$ 277.00
Product can be shipped as of 01.05.2024
Optolong
Filters Planetary Filter Set 1.25"
$ 288.00
ready for shipping in 3-5
weeks
Optolong
Filters SHO Filter Kit 3nm 2"
$ 1,380.00
ready for shipping in 3-5
weeks
Optolong
Filters Clear Focusing 2"
$ 74.00
ready for shipping in 24
h
Optolong
Filters L-eXtreme F2 (2")
$ 373.00
ready for shipping in 3-5
weeks
Optolong
LRGB-Filterset 31mm (ungefasst)
$ 243.00
ready for shipping in 3-5
weeks
Optolong
Filters Planetary Filter Set 2"
$ 427.00
ready for shipping in 24
h
Optolong
Filters SII 3nm 2"
$ 970.00
ready for shipping in 24
h
Optolong
Filters Clear Focusing 1,25"
$ 53.00
ready for shipping in 3-5
weeks
Optolong
Filters OIII 3nm 2"
$ 480.00
ready for shipping in 24
h
Optolong
Filters L-eNhance 2"
( 5 / 5 )
$ 256.00
ready for shipping in 24
h