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4x5.65" FullSpec ND Filter
Kondor Blue 4x5.65 FullSpec ND 0.3 filter, matte box compatible, shown at 1-stop density
4x5.65 inch Full Spectrum ND filter for video, mounted in matte box, SCHOTT glass detail
Closeup of Kondor Blue ND filter showing corner grab tabs and aluminum frame construction
4x5.65 Neutral Density filter, full spectrum and IR control, for professional cinema cameras
Stacked Kondor Blue ND filters, SCHOTT glass, various ND strengths for cinematography
4x5.65" FullSpec ND Filter
Full Spectrum ND filter with anti-IR protection, compatible with ARRI, RED, Sony matte boxes
Kondor Blue 4x5.65 FullSpec ND filter, 0.3 (1 stop), color neutral, infrared reduction
4x5.65 Neutral Density IRND 0.3 filter by Kondor Blue, for video production matte boxes
Kondor Blue FullSpec ND 4x5.65 filter, 1-stop light reduction, fits cinema matte box systems
4x5.65" FullSpec ND Filter
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KB-FS-ND3

4x5.65" FullSpec ND Filter

$229.00 USD

Full-spectrum light performance that keeps your color clean and consistent

Fast, smudge-free swaps built for real on-set matte box workflows

SCHOTT B270 glass + rugged metal frame you can trust, shoot after shoot

Style
Style: IRND 0.3
Preorders Are Open! Lock In Yours Now!
Estimated to ship: May 31, 2026
Full Description & Tech Specs
  • Full Spectrum Light Performance – Control exposure without unwanted color shifts or IR contamination.
  • Premium Schott B270 Glass: German-made optical glass engineered for exceptional clarity and long-term durability.

  • Corner Grab Tabs – Faster, cleaner filter changes with less chance of fingerprints on the glass.

  • Available in Multiple ND Strengths – Choose the right level of light reduction for your shooting conditions.

Product Description

The KONDOR BLUE FullSpec ND 4x5.65 Filters are built for professionals who need absolute confidence in filtration. When you are balancing exposure across changing conditions, stacking variables, or matching shots across densities, consistency is everything. These filters are designed to deliver full-spectrum light control with a neutral, dependable response that holds from strength to strength.

Color fidelity, shadow integrity, and spectral consistency are not details; they are the difference between a filter that supports the image and one that creates problems downstream. FullSpec ND filters are engineered to maintain a clean, controlled image without the shifts, contamination, or inconsistencies that become obvious when the work is pushed.

Built with premium 2mm optical glass in a durable aluminum 4mm frame sized to fit industry standard matte boxes. Corner grab tabs allow for faster, cleaner handling during swaps, keeping the process efficient without compromising the glass.

This is filtration designed to disappear in use and hold up in the grade. Unrivaled consistency, precise full-spectrum control, and the kind of trust professionals expect when the image has to stay intact.

Pairs well with

Into the Elements

Extreme cold. Harsh reflections. Constant exposure changes. We tested our new Full Spectrum ND filters in the Arctic, where consistency has nowhere to hide. What led us there was a much bigger journey, one shaped by filter development and the acquisition of Element Filters.

Full Spectrum Light Control. Unrivaled Consistency.

True. Every. Stop.

We built our Full Spectrum ND filters for filmmakers who need consistency they can trust. Neutral color, reliable transmission, and dependable results across strengths, all backed by real-world testing.

FAQs

Please read our FAQs page to find out more.

What’s the difference between Full Spectrum ND filters (FSND’s), Infrared ND filters (IRND’s), and Hot-Mirror IRND filters?
FSND filters stand out for their ability to reduce not only visible light, but also infrared and ultraviolet light according to the filter’s strength (number of stops), ensuring excellent color accuracy and neutrality. Traditional IRND filters focus on eliminating only visible and infrared light, which helps reduce IR pollution, but they do not address UV light spectrums. Hot-mirror IRNDs provide complete infrared light blocking regardless of stops, but require precise placement in a matte box (coated side facing the lens) and can’t be stacked without risking internal reflections or ghosting. They are also traditionally prone to more color shift than FSND filters.
What’s the difference between Normal ND filters and Full Spectrum ND filters (FSND’s)?
A FSND filter is ideal for digital sensor cameras, which have greater low-light sensitivity than film and, subsequently, an increased susceptibility to infrared (IR) contamination. When using a standard ND filter to counter the increased light sensitivity afforded by the digital sensor, the effects of IR pollution become more apparent. This can often show up in the darker or black areas of your image, resulting in muddiness or a magenta colored shift occurring in your shot. FSND filters reduce the amount of IR and UV light that hit's your cameras sensor, eliminating this issue in bright high IR/UV light pollution scenarios.

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