Optolong L-Quad Enhance Filter - 2" Mounted

Name: Optolong L-Quad Enhance Filter - 2" Mounted
Brand: Optolong

Optolong

Optolong L-Quad Enhance Filter - 2" Mounted is a multi-band nebula filter in 2" for nebula imaging and light-polluted skies.

imaging-filter budget

Best Current Offer

Mile High Astronomy

In stock

$219.00

Other retailers

Starizona (In stock)
$219.00

Specifications

Filter

Filter type: Multi-band light-pollution filter
Filter size: 2" / Mounted
Band count: 4 bands

Spectral

Passbands: Imaging passband specified by filter model

Specifications

Thickness: 1.85 mm
Substrate / coating: 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.

Optolong L-Quad Enhance 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

Some links on this page are affiliate links. Prices and availability are pulled automatically from each retailer and updated daily.

Retailer	Price	Availability	View Offer
Mile High Astronomy Mile High Astronomy	$219.00	In stock Updated 9/20/2026	View Offer - $219.00
Starizona Starizona	$219.00	In stock Updated 9/19/2026	View Offer - $219.00

Price History

Chronological retailer pricing with out-of-stock points shown at reduced opacity.

Mile High Astronomy Starizona