Gear Database

Optolong L-Para Dual-Band Filter - 2" Mounted

Optolong

L-Para Dual Band Filter - 2" Mounted is a multi-band nebula filter in 2" for nebula imaging and light-polluted skies.

imaging-filter budget
Optolong L-Para Dual-Band Filter - 2" Mounted

Best Current Offer

Starizona logo
Starizona
In stock
$279.00

Specifications

Filter

Filter type
Dual-band / multi-band nebula filter
Filter size
2" / Mounted
Band count
2 bands

Spectral

Passbands
Imaging passband specified by filter model

Specifications

Substrate / coating
Non-cementing optical glass

Use

Camera use
Color or mono astronomy cameras, depending on target and workflow

Astrophotography Fit

Best for emission nebulae with one-shot color cameras, especially from light-polluted skies.

L-Para Dual Band Filter - 2" Mounted is a budget-friendly multi-band nebula filter (2").

Best for emission nebulae with one-shot color cameras, especially from light-polluted skies.

Choose filter size around the sensor diagonal, telescope speed, and filter-wheel or drawer geometry. Flats are still required; a filter can improve contrast, but it will not rescue tilt, bad focus, or poor calibration.

Best paired with

  • One-shot color cooled cameras or modified DSLRs
  • Emission nebulae rich in H-alpha, OIII, SII, or H-beta signal
  • Filter drawer or wheel sized to avoid vignetting

Not recommended for

  • Broadband galaxies, reflection nebulae, or clusters as the main use case
  • Monochrome SHO workflows that need separate channels
  • Very fast optics unless bandpass shift and halos have been checked

Where To Buy

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Retailer Price Availability View Offer
Starizona logo
Starizona
Starizona
$279.00
In stock
Updated 5/13/2026
View Offer - $279.00