Wine Country Camera 150 x 170mm Blackstone Hard-Edge Graduated IRND 0.9 Filter (3-Stop) w/Filter Vault

BH #WIBSGND.9H15 • MFR #150NDGH03
Wine Country Camera 150 x 170mm Blackstone Hard-Edge Graduated IRND 0.9 Filter (3-Stop) w/Filter Vault
Key Features
  • 8x Filter Factor, 3-Stop
  • Reduce Exposure in Selective Areas
  • Hard-Edged Line of Transition
  • Reduce Shutter Speed, Widen Aperture
The 150 x 170mm Blackstone Hard-Edge Graduated IRND 0.9 Filter from Wine Country Camera is a rectangular filter that helps to darken specific areas of an image, such as bright skies, while allowing for a normal, unaffected exposure in the other regions of the image. The filter is densest at the edge and tapers to clear by the middle, with a hard-edged line of transition between the dense and clear areas. A neutral density filter with a hard-edged line of transition is useful for images which include defined horizon lines. Neutral density filters do not affect the coloration of the image, and this filter provides up to a 3-stop reduction in light from entering the lens.
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Wine Country Camera 150NDGH03 Overview

The 150 x 170mm Blackstone Hard-Edge Graduated IRND 0.9 Filter from Wine Country Camera is a rectangular filter that helps to darken specific areas of an image, such as bright skies, while allowing for a normal, unaffected exposure in the other regions of the image. The filter is densest at the edge and tapers to clear by the middle, with a hard-edged line of transition between the dense and clear areas. A neutral density filter with a hard-edged line of transition is useful for images which include defined horizon lines. Neutral density filters do not affect the coloration of the image, and this filter provides up to a 3-stop reduction in light from entering the lens.

The design of this filter has been optimized for use with digital sensors and to promote nearly flat attenuation of visible and infrared light. Due to imaging sensors' greater susceptibility to infrared light compared to traditional film, color casts can occur when photographing darker subjects that require increased exposure times. To provide neutrality across the visible and infrared spectrums in order to eliminate color casts and ensure cleaner, truer blacks, one layer of Blackstone ND Coating is applied to each of this filter's surfaces. The Blackstone ND Coating is also designed to help minimize any effect on a digital camera's resolution when using this filter.

This 150 x 170mm Blackstone Hard-Edge Graduated IRND 0.9 Filter is constructed from Schott Ultra-White Glass for clarity as well as color fidelity and measures 2mm thick.

The 150 x 170mm Blackstone Hard-Edge Graduated IRND 0.9 Filter is pre-installed within a Wine Country Camera 150 x 170mm Filter Vault, which is designed to encase the edges of a 150 x 170mm, 2mm thick filter for use within a separately available Wine Country Camera 150mm Filter Holder. By encasing the sides of an installed filter, this filter vault helps to eliminate stray light, which could have unwanted effects on exposure. Additionally, the Wine Country Camera 150 x 170mm Filter Vault reinforces an installed filter's rigidity while preventing its sides from having to come into direct contact with a filter holder's slots. This protects those side surfaces and promotes sharp results by ensuring that the filter remains flat.

Installation of a compatible filter is accomplished by first turning the Wine Country Camera 150 x 170mm Filter Vault's brass Wine Coin lock into the open position. Located along the front of the filter vault's inner and outer top edges, the Wine Coin is a flat, disk cam lock that features a straight edge on one side and a rounded edge at the other. When the lock's straight edge is aligned with the filter vault's inner edge, a 150 x 170mm, 2mm thick filter can be set within the front of the filter vault. The Wine Coin can then be turned so that its rounded edge obstructs the installed filter, securing it within the filter vault.

A separately available Wine Country Camera 150mm Filter Holder includes an outer slot that can accommodate this 150 x 170mm Filter Vault. The filter holder also features a quick release button that is dedicated to the slot. When pressed, it allows a Wine Country Camera 150 x 170mm Filter Vault within a Wine Country Camera 150mm Filter Holder's outer slot to be adjusted upward or downward relative to the subject. When used with a Wine Country Camera 150mm Filter Holder's outer slot, an integrated safety-catch system prevents this 150 x 170mm Filter Vault from accidentally sliding out of the filter holder.

Wine Country Camera 150 x 170mm Blackstone Hard-Edge Graduated IRND 0.9 Filter

150 x 170mm graduated neutral density filter darkens bright areas of an image, such as skies, while leaving the remainder of the frame unaffected
8x filter factor provides up to a 3-stop reduction of light in selective areas
Hard-edged line of transition between the dense and clear areas
Useful for images which include defined horizon lines
Filter does not affect coloration of the image and is ideal for use with other filters
Each surface includes one layer of Blackstone ND Coating that attenuates infrared light as well as visible wavelengths to maintain color neutrality and suppress color casts due to increased exposure times
Blackstone ND Coating is designed to help minimize the filter's effect on a digital camera's resolution
Constructed from Schott Ultra-White Glass for clarity and color fidelity

Wine Country Camera 150 x 170mm Filter Vault

Designed to encase the edges of a 150 x 170mm, 2mm thick filter for use within a separately available, Wine Country Camera 150mm Filter Holder
Helps to eliminate stray light, which could have unwanted effects on exposure, from coming in between an installed filter and the filter holder and lens behind it
Reinforces an installed filter's rigidity while preventing its sides from having to come into direct contact with a filter holder's slots
Protects an installed filter's side surfaces and promotes sharp results by ensuring that it remains flat
Brass Wine Coin lock secures an installed filter
Fits outer slot within a separately available Wine Country Camera 150mm Filter Holder
Quick release side button on a separately available Wine Country Camera 150mm Filter Holder allows immediate upward or downward filter positioning relative to the subject
Integrated safety-catch system prevents accidental release when used with a separately available Wine Country Camera 150mm Filter Holder's outer slot
Fiberglass construction for durability while remaining lightweight
UPC: 818071021929

Wine Country Camera 150NDGH03 Specs

Filter TypeGraduated ND with IR Attenuation
Graduation TypeHard Edge
Density0.9 (3-Stop)
Rectangular Size5.9 x 6.7" / 150 x 170 mm
Packaging Info
Package Weight0.885 lb
Box Dimensions (LxWxH)9.5 x 7.9 x 0.8"
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