SKU:42778785216

Optolong SII CCD 6.5nm 1.25" Mounted Filter

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Regular price $24937.50 USD
Regular price $24978.50 USD Sale price $24937.50 USD
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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21

Description

Optolong SII CCD 6.5nm 1.25" Mounted FilterPRODUCT DESCRIPTION The Optolong SII CCD 6. 5nm Filter (1. 25") is engineered for serious narrowband astrophotography, capturing the faint sulfur II emission line at 672nm with outstanding contrast and detail. With a precisely defined 6. 5nm bandwidth, this filter significantly suppresses unwanted light pollution and skyglow, allowing sulfur rich nebula structures to emerge even from suburban or city skies. When paired with H Alpha and OIII filters,

/* Scoped only inside

the Moon fills the eyepiece beautifully

You should also consider a moon filter to reduce brightness when viewing the full Moon

75 female Holding Mechanism Strong double magnets + adjustable locking screw Anti-Light-Leak Improved seal design to prevent long-exposure artifacts Compatibility 2

Sky Deep operates differently

Free gear consultation — they'll help you calculate your exact spacing before you buy

You want professional observatory performance at home

Technically yes — but you should not

Our Beginner Level Telescopes page helps you compare entry-level options

TECHNICAL SPECIFICATIONS Feature Specification Aperture 234

Eyepieces & red-dot finderscope

It picks up light your eyes cannot even see

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Your Optolong SII CCD 6.5nm 1.25" Mounted Filter orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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