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Optolong
A respected astrophotography filter brand offering high-quality narrowband, dual-band, and broadband filters designed to improve contrast and deliver cleaner imaging results.
5 products
Products
Showing 5 products across 1 section
5 products
Category
Filters
L1 Dual-Combo Set
R 8 800.00
by
- Two-filter bundle — 1× L-Quad Enhance (quad-band broadband) + 1× L-Para (dual 10 nm narrowband).
- L-Quad Enhance (quad-band broadband)
- L-Para (dual 10 nm narrowband Hα/OIII)
L2 Dual-Combo Set
R 12 600.00
by
- Two-filter bundle — L-eXtreme and L-Synergy
- L-eXtreme (OIII-7nm & Ha-7nm)
- L-Synergy (OIII-7nm & SII-7nm)
L-Quad Enhance
R 4 400.00
by
- Quad-band LP filter for color/OSC cameras — produces broadband images with minimal colour cast while suppressing mercury/sodium light pollution.
- High transmission — >90% at H-Beta/OIII/H-Alpha/SII with OD2–OD4 blocking and near-IR cut to 1000 nm.
- Versatile targets — great for Milky Way, galaxies, clusters and many nebulae from Bortle 1–7 skies.
L-Synergy
R 6 800.00
by
- Dual 7 nm narrowband (SII 672.4 nm & OIII 500.7 nm) .
- Durable coatings – multi-layer AR with ion-assisted deposition for stability and scratch resistance.
- 2″ mounted (M48×0.75), 1.85 mm substrate with multi-layer AR coatings.
L-eXtreme
R 6 800.00
by
- Dual 7 nm narrowband (H-α 656.3 nm & OIII 500.7 nm) .
- Deep LP blocking – OD4 from 300–1000 nm for darker backgrounds.
- 2″ mounted (M48×0.75), 1.85 mm substrate with multi-layer AR coatings.