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Optolong Filters

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ALL OPTOLONG FILTERS SHIP FREE IN THE CONTINENTAL US!

BE SURE TO ENTER DISCOUNT CODE "FREESHIP" AT CHECKOUT.

Optolong Optolong 2 Inch SHO-3nm Narrowband filters kit (Set of 3)

Optolong 2 Inch SHO-3nm Narrowband filters kit (Set of 3)

Optolong 2 Inch SHO-3nm Narrowband filters kit (Set of 3)

$1,199.00

Optolong Optolong 7 Filter Set LRGB, H-Alpha, SII, & OIII 2" Mounted

Enjoy enhanced observations of planets and deep-sky objects with this 2" filter set from Optolong.

Optolong 7 Filter Set LRGB, H-Alpha, SII, & OIII 2" Mounted

$1,009.00

$807.20

Optolong Optolong 36mm Unmounted SHO-3nm Narrowband filter kit (Set of 3)

Optolong SHO-3nm filter kit includes SII 3nm, H-Alpha 3nm, and OIII 3nm narrow band filters, generally working with astronomical monochrome cooling CCD and modified DSLR imaging in each single-channel.

Optolong 36mm Unmounted SHO-3nm Narrowband filter kit (Set of 3)

$960.00

Optolong Optolong UBVRI Filter Set - 2" Mounted - UBVRI-200

This photometric UBVRI filter set includes five 2" round mounted filters: ultraviolet (U), blue (B), visual (V), red (R), and infrared (I).

Optolong UBVRI Filter Set - 2" Mounted - UBVRI-200

$829.00

$663.20

Optolong Optolong 7 Filter Set LRGB, H-Alpha, SII, & OIII 36mm unmounted

Optolong 7 Filter Set LRGB, H-Alpha, SII, & OIII 36mm unmounted

Optolong 7 Filter Set LRGB, H-Alpha, SII, & OIII 36mm unmounted

$775.00

$620.00

Optolong Optolong UBVRI Filter Set - 36mm Unmounted - UBVRI-36

This photometric UBVRI filter set includes five 36mm round unmounted filters: ultraviolet (U), blue (B), visual (V), red (R), and infrared (I).

Optolong UBVRI Filter Set - 36mm Unmounted - UBVRI-36

$745.00

$596.00

Optolong Optolong 7 Filter Set LRGB, H-Alpha, SII, & OIII 31mm unmounted

Optolong 7 Filter Set LRGB, H-Alpha, SII, & OIII 31mm unmounted

Optolong 7 Filter Set LRGB, H-Alpha, SII, & OIII 31mm unmounted

$705.00

$564.00

Optolong Optolong UBVRI Filter Set - 1.25" Mounted - UBVRI-125

This photometric UBVRI filter set includes five 1.25" mounted filters: ultraviolet (U), blue (B), visual (V), red (R), and infrared (I).

Optolong UBVRI Filter Set - 1.25" Mounted - UBVRI-125

$685.00

$548.00

Optolong Optolong 3 Filter Set H-Alpha, SII, & OIII 2" Mounted

Optolong 3 Filter Set H-Alpha, SII, & OIII 2" Mounted

Optolong 3 Filter Set H-Alpha, SII, & OIII 2" Mounted

$669.00

$535.20

Optolong Optolong 7 Filter Set LRGB, H-Alpha, SII, & OIII 1.25" Mounted

Optolong 7 Filter Set LRGB, H-Alpha, SII, & OIII 1.25" Mounted

Optolong 7 Filter Set LRGB, H-Alpha, SII, & OIII 1.25" Mounted

$665.00

$532.00

Optolong Optolong 5 Filter Set LRGB & H-Alpha 2" Mounted

Optolong 5 Filter Set LRGB & H-Alpha 2" Mounted

Optolong 5 Filter Set LRGB & H-Alpha 2" Mounted

$569.00

$455.20

Optolong Optolong 3 Filter Set H-Alpha, SII, & OIII 36mm unmounted

Optolong 3 Filter Set H-Alpha, SII, & OIII 36mm unmounted

Optolong 3 Filter Set H-Alpha, SII, & OIII 36mm unmounted

$549.00

$439.20

Optolong Optolong 3 Filter Set H-Alpha, SII, & OIII 31mm unmounted

Optolong 3 Filter Set H-Alpha, SII, & OIII 31mm unmounted

Optolong 3 Filter Set H-Alpha, SII, & OIII 31mm unmounted

$489.00

$391.20

Optolong Optolong 3 Filter Set H-Alpha, SII, & OIII

Buy all 3 Narrowband Imaging Filters and SAVE!

Optolong 3 Filter Set H-Alpha, SII, & OIII

$465.00

$372.00

Optolong Optolong 5 Filter Set LRGB & H-Alpha 36mm unmounted

Optolong 5 Filter Set LRGB & H-Alpha 36mm unmounted

Optolong 5 Filter Set LRGB & H-Alpha 36mm unmounted

$439.00

$351.20

Optolong Optolong OIII CCD 3nm 2" Mounted Filter

Optolong OIII CCD 3nm 2" Mounted Filter

Optolong OIII CCD 3nm 2" Mounted Filter

$419.00

Optolong SII 3nm CCD 2" Filter

Optolong SII 3nm CCD 2" Filter

$419.00

Optolong Optolong H-Alpha 3nm CCD 2" Filter

Optolong H-Alpha 3nm CCD 2" Filter

Optolong H-Alpha 3nm CCD 2" Filter

$419.00

Optolong Optolong 5 Filter Set LRGB & H-Alpha 31mm unmounted

Optolong 5 Filter Set LRGB & H-Alpha 31mm unmounted

Optolong 5 Filter Set LRGB & H-Alpha 31mm unmounted

$399.00

$319.20

Optolong Optolong L-Ultimate 2" Light Pollution Dual Band Filter - LULT-200

The Optolong L-Ultimate is Optolong's newest and NARROWEST dualband filter.

Optolong L-Ultimate 2" Light Pollution Dual Band Filter - LULT-200

$369.00

Optolong Optolong 5 Filter Set LRGB & H-Alpha

This Optolong LRGB/H-Alpha filter set combines everything you need for stunning planetary and deep-sky observations.

Optolong 5 Filter Set LRGB & H-Alpha

$369.00

$295.20

Optolong Optolong LRGB CCD Filter Set - 2" Mounted

Among these passbands, OIII emission overlaps on blue and green filters to achieve maximum transmission for high efficient imaging and natural colour result.

Optolong LRGB CCD Filter Set - 2" Mounted

$359.00

$287.20

Optolong Optolong OIII CCD 3nm 36mm Unmounted Filter

Optolong OIII CCD 3nm 36mm Unmounted Filter

Optolong OIII CCD 3nm 36mm Unmounted Filter

$339.00

Optolong Optolong SII 3nm CCD 36mm Unmounted Filter

Optolong SII 3nm CCD 36mm Unmounted Filter

Optolong SII 3nm CCD 36mm Unmounted Filter

$339.00