- 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.
- Size — 2″ mounted (M48×0.75).
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L-Quad Enhance
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L1 Dual-Combo Set
- Two-filter bundle — includes 1× L-Quad Enhance (quad-band broadband) + 1× L-Para (dual 10 nm narrowband).
- Broadband–narrowband synergy — natural RGB colour from L-QEF plus boosted Hα/OIII detail from L-Para.
- High transmission — L-Para >85% at Hα/OIII (f/2 and slower); L-QEF designed to preserve colour balance while cutting LP.
- 2″ mounted — M48×0.75; supplied together in one package.
