Optolong SHO 7nm Filter Set - 1.25" Mounted

Name: Optolong SHO 7nm Filter Set - 1.25" Mounted
Brand: Optolong

Optolong

Optolong SHO 7nm (3 Filter Set) - 1.25" Mounted is a narrowband filter in 1.25" for mono emission-line imaging.

imaging-filter midrange

Optolong SHO 7nm Filter Set - 1.25" Mounted

Best Current Offer

Mile High Astronomy

In stock

$465.00

Specifications

Filter

Filter type: SHO narrowband filter set
Filter size: 1.25" / Mounted

Spectral

Passbands: SII 672.4 nm (7 nm) / H-alpha 656.3 nm (7 nm) / OIII 500.7 nm (7 nm)
Band count: 3 bands
Narrowest bandpass: 7 nm

Specifications

Substrate / coating: Non-cementing optical glass

Use

Camera use: Mono astronomy cameras

Astrophotography Fit

Best for isolating emission lines with a mono camera and filter wheel.

Optolong SHO 7nm (3 Filter Set) - 1.25" Mounted is a midrange narrowband filter (1.25").

Best for isolating emission lines with a mono camera and filter wheel.

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

Monochrome camera, matching filter wheel, and autofocus offsets
Ha/OIII/SII emission nebula projects
Long integrations with darks, flats, and careful star handling

Not recommended for

Unmodified color cameras as the primary workflow
Targets dominated by broadband continuum signal
Users who want natural star color with minimal processing

Where To Buy

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Retailer	Price	Availability	View Offer
Mile High Astronomy Mile High Astronomy	$465.00	In stock Updated 9/20/2026	View Offer - $465.00

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Mile High Astronomy