
See Options
1 Year
$26.99
2 Year
$42.99
3 Year
$54.99
Need help? Ask our experts.
Review Summary
Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
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
Browse our FAQ
7nm
2" (50.8mm)
Where light pollution and atmospheric turbulence often hinder the observation of deep-sky objects, the Explore Scientific 2" 7nm H-Alpha Nebula Filter emerges as a game-changer. This advanced filter is specifically designed to combat the challenges posed by artificial lighting and the brightening of the night sky, which can drastically reduce the contrast and clarity of celestial objects.
The Explore Scientific H-Alpha Nebula Filter leverages the unique properties of emission nebulae, celestial bodies that emit light in specific colors, known as emission lines. This filter is particularly attuned to the red glow of hydrogen, one of the most common elements in the universe. By blocking all other colors, it effectively filters out nearly all artificial light, allowing only the hydrogen emission lines to pass through.
This precision filtering results in a remarkable effect: nebulae, often invisible in photos due to light pollution, suddenly become visible, revealing the hidden beauty of the cosmos. The filter is especially effective in blocking disruptive light from mercury and sodium vapor lamps, common sources of light pollution in urban areas.
Designed exclusively for astrophotography, the Explore Scientific H-Alpha Nebula Filter enables photographers to capture stunning images of emission nebulae, even under brightened skies. The filter's use can lead to surprisingly high-quality image results, making astrophotography near cities a reality.
Each Explore Scientific Nebula Filter comes with an individual test report, assuring you of its high quality. Whether you're an urban astrophotographer seeking to overcome light pollution or a professional aiming for the clearest images of deep-sky objects, the Explore Scientific 2" 7nm H-Alpha Nebula Filter is an essential tool in your kit.