CHROMA TECHNOLOGY Sii (3nm) Filter

SKU: CT-27009-1.25M
Barcode: 0799787273249

$1,040.00

Filter Size: 1.25 inch Mounted
  • 1.25 inch Mounted
  • 2 inch Mounted
  • 31mm Unmounted
  • 36mm Unmounted
  • 50mm Unmounted
  • 50x50mm Unmounted
Available to order
Delivery time: Typically 4 weeks from order

Delivered to anywhere is Australia and New Zealand.
Orders placed before 2 PM are usually shipped the same day.

CHROMA TECHNOLOGY Sii (3nm) Filter

$1,040.00

$1,040.00

Choose option
Filter Size: 1.25 inch Mounted
  • 1.25 inch Mounted
  • 2 inch Mounted
  • 31mm Unmounted
  • 36mm Unmounted
  • 50mm Unmounted
  • 50x50mm Unmounted
Image alt

Same day shipping

If you order before 2pm we will ship your items same day.

Image alt

Expert aftersales support

We fully support our products!

Image alt

Minimum 2-Year Warranty. 

+ extended manufacturer warranties

Image alt

Aussie Owned & Stocked

Our store is Australian owned and stocked.

WANT TO KNOW MORE ABOUT THIS PRODUCT?

Let ChatGPT, Claude, or Perplexity help you. Click a button and ask away.

The Chroma Technology 3nm SII filter is a high-performance narrowband filter designed for astrophotography and scientific imaging. It isolates the Sulfur II (SII) emission line at 672.4nm with an ultra-narrow 3nm bandwidth, delivering exceptional contrast and detail for capturing deep-sky objects, especially emission nebulae.

Engineered with precision, this filter features advanced multi-layer dielectric coatings for superior light transmission and durability. Its ultra-narrow design significantly reduces light pollution and moonlight interference, making it ideal for imaging under challenging conditions. Whether you're working in urban environments or under pristine dark skies, the Chroma 3nm SII filter ensures sharp, halo-free images with minimal reflections, making it an essential tool for astrophotographers aiming for stunning, detailed results.

Recently viewed products