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Heliopan 77mm Circular Polarizer Slim Filter

BH #HECPS77 • MFR #707780
Heliopan
Heliopan 77mm Circular Polarizer Slim Filter
Key Features
  • Minimize Reflections and Glare
  • Reduces Haze and Blue Cast in Landscapes
  • Enhances Color and Tonal Saturation
  • Slim 5mm-Thick Ring, No Front Threads
The Heliopan 77mm Circular Polarizer Slim Filter helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface. This results in a noticeable increase in the saturation of skies and foliage, as well as clearer imagery when photographing in hazy conditions. A circular polarizer differs from a linear polarizer in that it supports full use of a camera's autofocus and auto exposure functions.
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$170.95
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Heliopan 707780 Overview

The Heliopan 77mm Circular Polarizer Slim Filter helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface. This results in a noticeable increase in the saturation of skies and foliage, as well as clearer imagery when photographing in hazy conditions. A circular polarizer differs from a linear polarizer in that it supports full use of a camera's autofocus and auto exposure functions.

The front and rear surfaces of the filter both feature a single anti-reflection coating. Each coating helps to increase light transmission by reducing reflections, scattered light, and ghosting. Additionally, they offer protection to the filter substrate while helping to keep the glass clean for longer than uncoated glass.

This Heliopan filter is constructed from Schott glass for increased optical clarity and color fidelity. It features a slim brass filter ring for durability as well as jamming prevention. Its 5mm-thick profile does not have front threads in order to minimize the likelihood of vignetting with wide-angle lenses.

Reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface.
Arrange and filter directionally polarized light perpendicularly to the reflected light allowing for the absorption of much of the light.
Lessens haze in distant landscapes and provides more saturated, vivid colors.
Strongest effect when used at a 90° from the sun.
Single coatings on both the front and rear offer protection to the glass and help to improve light transmission and image quality.
Constructed from Schott glass for optical clarity.
Brass filter ring helps to prevent jamming and provides additional strength.
Slim 5mm-thick filter ring does not have front filter threads in order to alleviate the likelihood of vignetting with wide-angle lenses.

Heliopan 707780 Specs

Filter TypeCircular Polarizer
Filter Factor3x (1.6-Stop) to 4x (2-Stop)
Circular Size77 mm Filter Thread
RotatingYes
Front Accessory Thread / BayonetUnthreaded
CoatingsSingle-Coating
Physical FeaturesSlim
Filter Thickness0.2" / 5 mm
Filter MaterialGlass
Ring MaterialBrass
Packaging Info
Package Weight0.245 lb
Box Dimensions (LxWxH)4.75 x 3.7 x 0.55"

Heliopan 707780 Reviews

always buy these from Heliooppan, best pol filters..

By Daniel
Rated 5 out of 5
Date: 2017-06-20

grerat product, worth the cost..

I give it an 8.5 out of 10

By Anonymous
Rated 4 out of 5
Date: 2011-02-20

The polarizer filter is used when I want good definition in the sky and clouds when shooting lighthouses and the like. I like the slim design for use with wide lens settings (20-28 mm). Filter quality and performance is outstanding. The lack of threads on the exterior of the filter to allow keeping it on the lens and being able to attaching a lens cap is my only complaint.

Smooth operator

By Up North Images
Rated 5 out of 5
Date: 2009-11-18

I use this on my Canon 24-105L. There is no vignetting and I get full sky coverage. It operates so smoothly, I just love it.

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