Nikon 40.5mm Drop-in Circular Polarizing Filter for Nikon AF-S NIKKOR 400mm f/2.8E FL ED VR Lens

BH #NICPL405 • MFR #2221
Nikon 40.5mm Drop-in Circular Polarizing Filter for Nikon AF-S NIKKOR 400mm f/2.8E FL ED VR Lens
Key Features
  • Drop-in Circular Polarizer Filter
  • Fits AF-S 400mm f/2.8E FL ED VR Lens
  • 2 to 4x Filter Factor, +1 to 2 Stops
  • Helps to Eliminate Reflections and Glare
This Nikon 40.5mm Drop-in Circular Polarizing Filter helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface. It is made specifically to fit within the accessory filter slot of the Nikon AF-S NIKKOR 400mm f/2.8E FL ED VR Lens whose front diameter is too large to accommodate a screw-on filter. With that lens, the effect of this filter occurs behind the main glass elements instead of in front of them.
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Nikon 2221 Overview

This Nikon 40.5mm Drop-in Circular Polarizing Filter helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface. It is made specifically to fit within the accessory filter slot of the Nikon AF-S NIKKOR 400mm f/2.8E FL ED VR Lens whose front diameter is too large to accommodate a screw-on filter. With that lens, the effect of this filter occurs behind the main glass elements instead of in front of them.

The light from the sun naturally becomes partially polarized due to reflecting off electrons in air molecules, causing the light to scatter into what appears as haze. A polarizing filter arranges, and filters, this directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of this light. This results in a noticeable reduction of glare and reflections from non-metallic surfaces and an increase in the saturation of skies and foliage.

A circular polarizer only differs from a linear polarizer in that it contains a quarter wave plane in addition to the linear polarizing filter. The addition of this quarter wave plane is to circularly polarize the linearly polarized light for the use of auto focus and exposure functions. Due to how the light is broken down and filtered with a linear polarizer, auto focus and exposure accuracy become skewed during use. When the light becomes circularly polarized, it permits the use of these functions.

This filter includes an integrated locking mechanism to secure it within the compatible lens, as well as an external dial to allow rotation of the filter glass for control of the polarization effect.

Helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface.
Polarizing filters arrange and filter directionally polarized light perpendicular to the reflected light, allowing for the absorption of much of the light.
Clears up haze in distant landscapes and provides more saturated, vivid colors.
Strongest effect when used at a 90° angle from the sun.
Circular polarizers are ideal for use with digital cameras and autofocus lenses where a linear polarizer will often disrupt auto exposure and focus features.
2 to 4x filter factor reduces exposure by approximately 1 to 2 stops.
UPC: 018208022212

Nikon 2221 Specs

Filter TypeCircular Polarizer
Filter Factor2x (1-Stop) to 4x (2-Stop)
Circular Size40.5 mm Drop-In
RotatingYes
Ring MaterialAluminum
Packaging Info
Package Weight0.145 lb
Box Dimensions (LxWxH)4.65 x 4.55 x 1.35"
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Can this Nikon 40.5mm drop in filter fit into ...

Can this Nikon 40.5mm drop in filter fit into Sony's 400mm 2.8 GM?
Asked by: Sunny
No. The Nikon 40.5mm Drop-in Circular Polarizing Filter for Nikon AF-S NIKKOR 400mm f/2.8E FL ED VR Lens, B&H # NICPL405, is designed by Nikon exclusively for use with Nikon lenses, and is only compatible for use with the Nikon AF-S NIKKOR 180-400mm f/4E TC1.4 FL ED VR Lens, the Nikon AF-S NIKKOR 400mm f/2.8E FL ED VR Lens, the Nikon AF-S NIKKOR 500mm f/4E FL ED VR Lens, and the Nikon AF-S NIKKOR 600mm f/4E FL ED VR Lens. The Sony Drop-In Circular Polarizing Filter for Sony FE 400mm f/2.8 GM OSS Lens, B&H # SOVFDCPL1, is the correct circular polarizing filter designed for use with the Sony FE 400mm f/2.8 GM OSS Lens.
Answered by: Manzell
Date published: 2019-01-21

question

Hi,can this filter fix in AF-S Nikkor 500mm F4E FL ED VR ?thks
Asked by: Boo K.
Yes this filter is compatible with the AF-S Nikkor 50mm f/4E FL ED VR lens.
Answered by: Kirk R.
Date published: 2019-11-13

Can this filter be used with Nikkor 180-400mm ...

Can this filter be used with Nikkor 180-400mm f/4?
Asked by: Fernando
This polarizer is just for the 400mm fixed lens. The lens has a slot on the top where the filter drops in.
Answered by: Gail
Date published: 2020-09-04

question

Can this filter be used on a 600mm f/4E lens? I think it can because the lens comes with a 40.5 drop-in filter holder.
Asked by: Noel I.
Yes&&That is the lens I'm using mine with
Answered by: Charles M.
Date published: 2018-08-26

question

Is the filter adjustment ring water resistant? Seems like a place that could potentially let in water into the lens during rain.
Asked by: Anonymous
I am not sure but its a direct replacement for the filter that comes with the lens. I use a Thinktank cover any time Im shooting where the lens could get wet.
Answered by: Kelly P.
Date published: 2018-08-26

question

What filter needed for Nikkor ED SWM AF-S 400mm f2.8?
Asked by: Anonymous
Nikon 400mm lens come with a drop-in filter. If you want a polarizing filter, the 40.5mm drop-in filter only works in the Nikon AFS 400mm f2.8E FL ED VR. This is the current model. The older AFS 400mm f2.9 requires the 52mm Circular Polarizer (C-PL1L).
Answered by: Carl M.
Date published: 2018-08-26
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