Optolong 1.25 Inch H-Alpha 7nm Telescope Filter for Astrophotography - Enhance Nebula & Galaxy Views for Astronomy Enthusiasts

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Sku: 48893313 in stock

$96.25

$175

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Estimated Delivery: 10-15 days international

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Description

Optolong H-Alpha 7nm filter is the popular narrowband filter allowing 7nm bandwidth of light centered on a wavelength of 656nm through, and reducing the transmission of certain wavelengths of light, specifically those produced by artificial light including mercury vapor, and both high and low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. skyglow).

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For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

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