B+W 40.5mm Kaesemann High Transmission Circular Polarizer MRC Filter

B + W Filters
Product #:
BWL661081889
Manufacturer #:
66-1081889
  • Circular polarizer filter
  • 99.5% transmission, kaesemann foils
  • 2 to 2.8x filter factor, +1 to 1.5 stops
  • Helps to eliminate reflections and glare
  • Reduces haze in landscapes
  • Greater color and tonal saturation
  • MRC multi-resistant coating
  • Schott glass construction
  • F-Pro brass filter ring
  • 40.5mm front filter threads
  • Plastic filter case for storage
  • Strongest effect when used at a 90°
Color:
Black
Color:
The color of the item.
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Lens Filter Size:
40.5mm
Lens Filter Size:
The size of the filter that fits the lens.
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Our Price: $70.49

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Overview

The B+W 40.5mm Kaesemann High Transmission Circular Polarizer MRC Filter provides the same pictorial effect as linear polarizers, but it provides better exposure metering and autofocus distance settings. The filter is equipped with Kaesemann polarizing foils, which are placed between plano-parallel optical glass surfaces. The resulting sandwich is then precision-polished to ensure an accurate plano-parallel surface. Each glass surface layer of the filter has anti-reflective coating to prevent internal ghosting and maintain optical fidelity and color tonality. The filter also includes a multi-resistant coating to protect against dust and humidity. To prevent jamming and increase durability, the filter has an F-Pro brass ring design which does not bind to the aluminum housing of the lens.

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Specifications

Brand
B + W Filters
Detailed Specifications
Front Accessory Thread Size: 40.5mm
Front Accessory Thread Size:
An adapter that allows threaded accessories to filter kits, such as Lee's Foundation Filter kit.

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Filter Type: Circular Polarizer
Filter Type:
The type of filter for a lens. Filters can be screwed on the front element or dropped in for larger zoom lens.

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Multi-Coated: Yes
Multi-Coated:
A series of optical coatings that are on a lens/filter that help reduce the impact of reflections. The result is a higher transmission percentage of light. All modern lenses are multi-coated.

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Filter Construction: Schott Glass
Filter Construction:
This is the construction of a type of filter. The type of process used to create a filter can affect its price. Filters can be constructed out of regular glass that sandwiches a coloured gel in between or in high-end filters, raw elements are added to the molten optical glass so there is no risk of uneven colour or fading.

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Filter Effect: Eliminates reflections and haze and improves color and tonal saturation
Filter Effect:
Allows various filter effects to be done in-camera while shooting. Common filter effects are vivid, neutral, sepia, black and white, negative, cooling, warming, etc...

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Front Lens Cap Size: 40.5mm
Front Lens Cap Size:
This is the size of a front lens cap. Standard sizes for snap-on lens caps include: 27mm, 28mm, 30mm, 34mm, 37mm, 39mm, 40.5mm, 43mm, 46mm, 49mm, 52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm, 82mm and 86mm.

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Filter Factor: 2 to 2.8 (1 to 1.5 stops)
Filter Factor:
When placed in the optical path, many filters block a certain amount of light from reaching the lens. Filter factor relates to how much exposure compensation is required in order to adjust for this. Most cameras have TTL metering and will be able to do this automatically.

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Physical Specifications
Color: Black
Color:
The color of the item.

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Brand
Brand: B + W Filters
Lens Specification
Lens Filter Size: 40.5mm
Lens Filter Size:
The size of the filter that fits the lens.

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In The Box

  • B+W 40.5mm Kaesemann High Transmission Circular Polarizer MRC Filter
  • Plastic Filter Case
  • Limited 10-Year Warranty

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