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NiSi Air UV Protection Filter (49mm)

BH #NIRAIRUV49 • MFR #NIR-AIRUV-49
3 reviews
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NiSi Air UV Protection Filter (49mm)
Key Features
  • 99.9% Peak Light Transmission
  • Blocks UV Light Below 395nm
  • Optical Glass, Brass Frame with Knurling
  • Includes Filter Case and Cleaning Cloth
The Air UV Protection Filter from NiSi is a quality UV filter with a high light transmission rate of 99.9% and incredible sharpness, making it ideal for use even on cameras with sensors as large as 100 MP, all while protecting the front element of your lens. Its optical glass features a 48-layer coating, making it scratch-, water-, and oil-resistant, while the frame's brass construction makes it lightweight and durable. The included filter case and cleaning cloth help you keep your filter clean and protected.
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NiSi Air UV Overview

From Manufacturer

The Air UV Protection Filter from NiSi is a quality UV filter with a high light transmission rate of 99.9% and incredible sharpness, making it ideal for use even on cameras with sensors as large as 100 MP, all while protecting the front element of your lens. Its optical glass features a 48-layer coating, making it scratch-, water-, and oil-resistant, while the frame's brass construction makes it lightweight and durable. The included filter case and cleaning cloth help you keep your filter clean and protected.

EAN: 6978079430025

NiSi Air UV Specs

Filter Type
UV
Size
49 mm Rear Filter Thread
Front Accessory Thread / Bayonet
49 mm
Coating
Multi- & Resistance-Coated
Filter Thickness
0.13" / 3.25 mm
Filter Material
Glass
Ring Material
Brass
Packaging Info
Package Weight
0.125 lb
Box Dimensions (LxWxH)
3.2 x 2.9 x 0.9"

NiSi Air UV Reviews

Best protection filter

By Jibin
Rated 5 out of 5
Date: 2026-08-05

Best protection filter cover for hasselblad 35-100

Clear as Air

By Ken
Rated 5 out of 5
Date: 2026-06-28

The Nisi Air filter has the highest transmission (99.9%) of any filter on the market & I don’t see any reflection in it. I can hardly tell there is a piece of glass in the filter frame, unlike all the other filter I have. In this respect, it’s even superior than my B+W filter where I can see some reflection under the same light condition. The filter was mounted on my telephoto lens when I went on African safari where it was very dusty & rained on some days. Not much dirt adhered to the filter and what was on it could be removed with a blower (hardly used any lens wipes). I don’t see any image degradation with the filter either. The filter also survived the countless bumps/vibrations during game drives. For reference, my expensive B+W filter broke from impacts on a previous safari trip & was replaced with the Nisi that has performed very well. Fortunately the lens’s front element not damage in that incident.

See any errors on this page?

Is this filter compatible with the Leica auto ...

Is this filter compatible with the Leica auto lens cap for D Lux 8?
Asked by: Natalie
Yes, the lens on t he Leica D-Lux 8 Digital Camera (B&H # LEDL8B) has a 43mm filter thread and will support the NiSi Air UV Protection Filter (43mm).
Answered by: Marvin C
Date published: 2025-02-05

Does the Nisi Air filter have a front thread for ...

Does the Nisi Air filter have a front thread for stacking other filters?
Asked by: Jeffrey
Yes, the NiSi Air UV Protection Filter (55mm) does have front filter threads for stacking other filters in the front.
Answered by: Daniel C
Date published: 2025-08-19

Is this filter threaded so a second filter can be

Is this filter threaded so a second filter can be stacked on it?
Asked by: Deborah
Yes, the NiSi Air UV Protection Filter (82mm) has 82mm front threads for stacking filters and/or using a lens cap.
Answered by: Dan W
Date published: 2026-05-10
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