FILTERS FOR OBSERVING & ASTROPHOTOGRAPHY
Discover Optolong at Dark Clear Skies
Explore Optolong dual-band, narrowband, broadband and LRGB filters for astrophotography, alongside visual nebula filters and camera clip formats. Our categories include specialist ranges ready for future stock.
Explore the range
Shop by Category
Explore current filters and categories ready for future Optolong stock.
Dual & Multi-Band Filters
L-eNhance, L-eXtreme, L-Ultimate, L-Para, L-Synergy and combination sets.
3 PRODUCTS
Broadband & Light-Pollution Filters
L-Pro, L-Quad Enhance, CLS and CLS-CCD filters.
4 PRODUCTS
H-Alpha Imaging Filters
Hydrogen-alpha narrowband filters for monochrome imaging.
1 PRODUCT
OIII Imaging Filters
Narrowband oxygen-III filters for deep-sky imaging.
1 PRODUCTSII Imaging Filters
Sulphur-II narrowband filters for emission-nebula imaging.
SHO Filter Sets
Matched H-alpha, OIII and SII narrowband filter sets.
1 PRODUCT
LRGB Filter Sets
Luminance, red, green and blue filters for monochrome cameras.
1 PRODUCT
Visual & Nebula Filters
H-beta and visual OIII filters for nebula observation.
2 PRODUCTSPlanetary & UV/IR Filters
Planetary colour filters, infrared-pass and UV/IR blocking filters.
Camera Clip Filters
Clip-in formats for compatible Canon, Nikon and Sony cameras.
5 PRODUCTSFast-Optics Filters
L-eXtreme F2 filters designed for fast imaging systems.
Scientific Research Filters
Specialist filters from Optolong's scientific research range.
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Why choose Dark Clear Skies?
Practical Setup Advice
Get help choosing filters for your targets, camera and observing conditions.
Compatibility Support
Check filter size, camera compatibility and suitability for your telescope's focal ratio.
UK-Based Support
Speak to Dark Clear Skies for help before and after your purchase.
Featured equipment
Featured Optolong Filters
Selected filters for colour and monochrome astrophotography.
Optolong L-Ultimate
£289.00
Optolong L-eXtreme Filter
From £163.00
Optolong L-eNhance Filter – Triple-Bandpass for Light Pollution Imaging
From £116.00
Optolong L-PRO Filters
From £97.00
Optolong SHO Filters set 3nm
From
£599.00
£799.00
Optolong LRGB-CCD Set
From £107.00
Optolong H-alpha 3nm Filters
From £329.00
Optolong OIII 3nm Filter
From £329.00