Optolong L-Pro 2" | PixelSkiesAstro
search
  • Optolong L-Pro 2" | PixelSkiesAstro
  • Optolong L-Pro 2" | PixelSkiesAstro
  • Optolong L-Pro 2" | PixelSkiesAstro

Optolong L-Pro 2"

€189.00
Tax included

Optolong L-Pro filter 2" The L-Pro is a multi-bandpass broadband light-pollution filter that keeps natural colour balance. It suppresses the main artificial lines (Na 589 nm, Hg 435 and 578 nm) while staying highly transparent at H-beta, OIII, H-alpha, NII and SII, suiting galaxies, reflection nebulae and star clusters as well as visual use.

Manufacturer model: Optolong L-Pro 2" · Specifications checked against manufacturer data on 2026-11-03

Optolong L-Pro filter 2"

The L-Pro is a multi-bandpass broadband light-pollution filter that keeps natural colour balance. It suppresses the main artificial lines (Na 589 nm, Hg 435 and 578 nm) while staying highly transparent at H-beta, OIII, H-alpha, NII and SII, suiting galaxies, reflection nebulae and star clusters as well as visual use.

Specifications

Format 2" mounted
Type Multi-bandpass broadband light-pollution filter
Spectrum 380–750 nm
Blocked lines Na 589 nm; Hg 435 and 578 nm
High transmission H-beta 486, OIII 496/500, NII 654/658, H-alpha 656, SII 672 nm
Material Optical glass
Surface quality 60/40 (MIL-O-13830)
Transmitted wavefront λ/4
Parallelism <30"

Coating

Multi-layer anti-reflection coating on a non-cemented substrate, applied by ion-assisted deposition for durability and a stable centre wavelength with temperature.

Manufacturer documentation

Optolong L-Pro 2"

Compatibility notes

Optolong L-Pro 2" mounted. Not the camera clip-in or 77/82 mm versions.

Additional specifications

Spectrum380–750 nm
Blocked linesNa 589 nm; Hg 435 and 578 nm
High transmissionH-beta 486, OIII 496/500, NII 654/658, H-alpha 656, SII 672 nm
59435

Data sheet

Format
2" mounted
Material
Optical glass
Parallelism
＜30"
Surface quality
60/40 (MIL-O-13830)
Transmitted wavefront
λ/4
Type
Multi-bandpass broadband light-pollution filter
Used this product? Share your experience with other astronomers.
Comments (0)
No customer reviews for the moment.

Viewed products

QHY268C | PixelSkiesAstro
QHYCCD

QHY268C

QHY268C PH The QHY268C PH is a cooled one-shot colour astronomy camera using SONY IMX571. The APS-C IMX571...
€2,350.00
Please confirm delivery lead time
View equipment →
iOptron CEM120 | PixelSkiesAstro
iOptron

iOptron CEM120

iOptron CEM120 — 52 kg centre-balanced observatory mount The iOptron CEM120 (#7300) is iOptron's...
€5,890.00
Please confirm delivery lead time
View equipment →
QHY294M Pro | PixelSkiesAstro
QHYCCD

QHY294M Pro

QHY294M Pro The QHY294M Pro is a cooled monochrome astronomy camera using SONY IMX492. This monochrome IMX492...
€1,550.00
Please confirm delivery lead time
View equipment →
iOptron CEM70 | PixelSkiesAstro
iOptron

iOptron CEM70

iOptron CEM70 — 31.8 kg centre-balanced equatorial mount The iOptron CEM70 brings the centre-balanced...
€3,690.00
Please confirm delivery lead time
View equipment →
iOptron CEM40 | PixelSkiesAstro
iOptron

iOptron CEM40

iOptron CEM40 — 18 kg centre-balanced equatorial mount The iOptron CEM40 uses iOptron's centre-balanced...
€2,790.00
Please confirm delivery lead time
View equipment →

16 other products in the same category:

Astronomik UHC 2" | PixelSkiesAstro
Astronomik

Astronomik UHC 2"

Astronomik UHC 2" — ultra-high-contrast nebula filter The Astronomik UHC (Ultra High Contrast) filter is...
€199.00
Please confirm delivery lead time
View equipment →
Astronomik H-beta 2" | PixelSkiesAstro
Astronomik

Astronomik H-beta 2"

Astronomik H-beta visual 2" — for faint hydrogen nebulae The Astronomik H-beta filter is designed for visual...
€199.00
Please confirm delivery lead time
View equipment →
Chroma LRGB-Set 2" | PixelSkiesAstro
Chroma

Chroma LRGB-Set 2"

Chroma LRGB Filter Set 2" (27101) — M48 threaded rings Chroma's flagship LRGB set (27101) provides...
€2,578.00
Please confirm delivery lead time
View equipment →
Optolong L-Pro 1.25" | PixelSkiesAstro
Optolong

Optolong L-Pro 1.25"

Optolong L-Pro filter 1.25" The L-Pro is a multi-bandpass broadband light-pollution filter that keeps natural...
€149.00
Please confirm delivery lead time
View equipment →
Chroma LRGB Set 36mm | PixelSkiesAstro
Chroma

Chroma LRGB Set 36mm

Chroma LRGB Filter Set 36 mm (27101) — unmounted Chroma's flagship LRGB set (27101) provides coordinated...
€1,290.00
Please confirm delivery lead time
View equipment →
Chroma OIII 3nm 2" | PixelSkiesAstro
Chroma

Chroma OIII 3nm 2"

Chroma OIII 3 nm 2" (27006) — ultra-narrowband, M48 threaded ring The Chroma 27006 OIII 3 nm bandpass filter...
€1,742.00
Please confirm delivery lead time
View equipment →
Optolong L-Ultimate 2" | PixelSkiesAstro
Optolong

Optolong L-Ultimate 2"

Optolong L-Ultimate filter 2" The L-Ultimate is a dual 3 nm narrowband filter passing only OIII (500.7 nm)...
€359.00
Please confirm delivery lead time
View equipment →
Antlia SII 2.5nm 2" | PixelSkiesAstro
Antlia

Antlia SII 2.5nm 2"

Antlia SII 2.5 nm Ultra Narrowband — 2" mounted Antlia's 2.5 nm Ultra series is its narrowest narrowband...
€675.00
Please confirm delivery lead time
View equipment →
Optolong L-eNhance 2" | PixelSkiesAstro
Optolong

Optolong L-eNhance 2"

Optolong L-eNhance filter 2" The L-eNhance is Optolong's tri-band light-pollution filter for colour cameras...
€229.00
Please confirm delivery lead time
View equipment →