17% Off

Explore Scientific 2" 6.5nm S-II Nebula Filter

SKU: ES310120 MFR: 310120
Earn VIP Reward Points

Key Features

  • Enhance your astrophotography with this Explore Scientific 2" S-II nebula filter.
  • Isolate sulfur-II emissions for stunning high-contrast views of deep-sky objects.
  • Experience superior light pollution rejection, revealing faint details in nebulae.
  • Enjoy sharp images thanks to the filter's precision optical coatings and construction.
  • Threaded for compatibility with 2" eyepieces, cameras, and accessories for easy use.
  • Crafted with durable materials, this narrowband filter ensures years of reliable use.
See More Product Details
Special Order?Estimated to Ship: 08/18/2025
Free Shipping

See Options

1

Protect your gear with Adorama Protect.* Learn more

1 Year

$21.99

2 Year

$36.99

3 Year

$49.99

Available to U.S. customers only.

Need help? Ask our experts.

Overview
Compare
Specs
Protection
Q&A

Questions & Answers

Reviews about this item

Review Summary

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

image-protection

TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Failure Protection

Failure Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500

Explore Scientific S-II Nebula Filter Specifications

  • Passband bandwidth

    6.5nm

  • Diameter

    2" (50.8mm)

About Explore Scientific S-II Nebula Filter

When seeking to elevate your astrophotography experience, the Explore Scientific 2" 6.5nm S-II Nebula Filter emerges as an essential tool for both amateur visual astronomers and astrophotography enthusiasts. This high-quality, durable filter is specifically designed to combat the challenges of light pollution and atmospheric turbulence, which often hinder the observation of faint celestial objects.

Crafted by the reputable brand Explore Scientific, known for its innovative optical products, this filter harnesses the unique properties of emission nebulae. These celestial wonders emit light at specific wavelengths associated with certain chemical elements, such as ionized sulfur. The 2" 6.5nm S-II Nebula Filter is engineered to selectively transmit the emission lines of ionized sulfur at 672 nm, effectively blocking out the majority of other wavelengths, including intrusive artificial light.

The result is a transformative viewing experience where nebulae, previously obscured by light pollution, are revealed in stunning clarity and contrast. Planetary nebulae, emission nebulae, and supernova remnants become strikingly visible, even under skies affected by slight brightening. This versatile filter's large 50.8mm size allows for an enhanced light-gathering capability, ensuring that your astrophotography captures are rich with detail and vibrancy.

Each Explore Scientific S-II nebula filter is accompanied by an individual test report, guaranteeing that you receive a product that meets the highest standards of efficiency and performance. Whether you're delving into the depths of deep-sky photography or simply appreciating the subtleties of the night sky, this innovative filter is a must-have addition to your astrophotography toolkit.

Explore Scientific S-II Nebula Filter Features

  • High quality Explore Scientific S-II filter
  • Absorbs all other emission lines
  • Absorbs almost all of the artificial light
  • Passband bandwidth: 6.5 nm
  • For observing faint planetary nebulae, emission nebulae and supernova remnants
  • More contrast and details for all urban observers and astrophotographers
  • An individual test report of this premium filter is included in the scope of delivery

Key Features

  • Enhance your astrophotography with this Explore Scientific 2" S-II nebula filter.
  • Isolate sulfur-II emissions for stunning high-contrast views of deep-sky objects.
  • Experience superior light pollution rejection, revealing faint details in nebulae.
  • Enjoy sharp images thanks to the filter's precision optical coatings and construction.
  • Threaded for compatibility with 2" eyepieces, cameras, and accessories for easy use.
  • Crafted with durable materials, this narrowband filter ensures years of reliable use.

What's in the box:

  • Explore Scientific 2" 6.5nm S-II Nebula Filter
  • Plastic Filter Case
  • Filter Test Sheet
  • Explore Scientific 1 Year Limited Warranty (Lifetime Limited Warranty with Registration)