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Sigma A00531 46mm Normal Rear UV Filter

BH #SI46DRFUV • MFR #A00531
Sigma
Sigma A00531 46mm Normal Rear UV Filter
Key Features
  • For Sigma A00090 Rear Filter Holder
  • Absorbs Ultraviolet Light
  • Reduces Bluish Cast of Daylight
  • 1x Filter Factor, No Exposure Change
The Sigma A00531 46mm Normal Rear UV Filter is designed to be used individually within the Sigma A00090 Rear Filter Holder and is a general use, clear filter that is intended to absorb ultraviolet light and reduce the bluish cast of daylight. Aside from the reduction of unwanted blue casts, no additional coloration or contrast is created, and adjustments to exposure are not required while using this filter. To prevent internal ghosting and reflections, each glass surface includes multiple layers of anti-reflection coating.
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Sigma Rear UV Filter Overview

The Sigma A00531 46mm Normal Rear UV Filter is designed to be used individually within the Sigma A00090 Rear Filter Holder and is a general use, clear filter that is intended to absorb ultraviolet light and reduce the bluish cast of daylight. Aside from the reduction of unwanted blue casts, no additional coloration or contrast is created, and adjustments to exposure are not required while using this filter. To prevent internal ghosting and reflections, each glass surface includes multiple layers of anti-reflection coating.

This filter is constructed from optical glass for clarity as well as color fidelity and features an aluminum-alloy filter ring for durability while remaining lightweight.

Absorbs UV light and reduces bluish cast of daylight.
Does not require adjustments to exposure while in use.
Multicoated coated to prevent internal ghosting and reflections.
Creates no additional coloration or contrast.
Constructed from optical glass for clarity.
Aluminum-alloy filter ring provides durability while remaining lightweight.
Plastic case included for storage and transport.
UPC: 085126911461

Sigma Rear UV Filter Specs

Filter TypeUV
Filter Factor1x (0-Stop)
Circular Size46 mm Filter Thread
Front Accessory Thread / Bayonet46 mm
CoatingsMulti-Coating
Filter MaterialGlass
Packaging Info
Package Weight0.03 lb
Box Dimensions (LxWxH)1.7 x 1.7 x 0.02"

Sigma Rear UV Filter Reviews

Excellent, I would buy again

By Thomas
Rated 5 out of 5
Date: 2017-03-19

Provides correct color for my Sigma 500mm f/4.5 HSM. Fits perfectly, of course. Don't have a lot of money in a lens and then scrimp on a cheap filter.

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question

Can this be used as a front filter for a sigma lens?
Asked by: William
This filter is designed for internal use in the rear filter holder of a 300-800mm Sigma lens. I looked at the rear edge of the filter and it has a ridged line and is not a screw in filter. So in answer to your question, no.
Answered by: Charles T.
Date published: 2018-08-26
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