31mm Filters

5 Item(s)
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  1. ZWO - Narrowband 31mm Filter Set

    $425.00
    SKU: ZWO-NB7nmD31

    In stock

    Narrowband filter do not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast between nebula and night sky, not brightening the nebula.

    FREE SHIPPING(48 States)
  2. ZWO - LRGB 31mm Filter Set

    $169.00
    SKU: ZWO-LRGB31

    In stock

    The ZWO LRGB 31mm filters have great transmission, excellent coatings and color separation.

  3. ZWO - 31mm Ha 7nm Narrowband Unmounted Filter

    Regular Price: $149.00

    You Pay: $126.65

    Limited time sale!
    SKU: ZWO-HA7NMD31

    In stock

    Limited time sale!
  4. ZWO - 31mm SII 7nm Narrowband Unmounted Filter

    $149.00
    SKU: ZWO-SII7NMD31

    More on the way

  5. ZWO - 31mm OIII 7nm Narrowband Unmounted Filter

    $149.00
    SKU: ZWO-OIII7NMD31

    More on the way

5 Item(s)
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