Sony
Sony Alpha a6400 compact mirrorless camera black with 16-50mm and 55-210mm lenses 32GB
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Lee Filters
Lee Filters 4x6" Graduated 81EF to ND 0.9 Resin Filter, Hard Edge
A 4x6" resin filter combining an 81EF warming tone with a graduated .9 neutral density and hard edge for precise horizon control
- Warm 81EF tones enhance sunrise colours
- Hard-edge 0.9 ND balances bright skies
- 2 mm resin resists daily field use
- 4x6" format allows precise holder alignment
- Single filter combines warming and exposure control
Product and Purpose
The Lee Filters 4x6" Graduated 81EF to ND 0.9 Resin Filter combines a warming 81EF effect with a three-stop neutral density gradient in a single 2mm resin sheet. Landscape photographers who balance bright skies against darker foregrounds will find the hard-edge transition useful for aligning the gradation precisely with the horizon.
Accessory Impact
The hard-edge design creates a distinct boundary between the filtered and clear areas, allowing exact placement within a compatible holder system. Because the warming and density effects are bonded into one filter, the photographer carries and aligns only one piece of glass instead of stacking separate warming and graduated ND filters.
Capacity and Limits
The 0.9 density reduces exposure by three stops across the graduated portion, which suits typical sunrise or sunset scenes where the sky outshines the land. The fixed hard edge cannot be softened for scenes with irregular horizons such as mountain ridges or city skylines, and the single 81EF warming tone offers no variable colour-temperature adjustment.
Highlights
- Warm 81EF tones enhance sunrise colours
- Hard-edge 0.9 ND balances bright skies
- 2 mm resin resists daily field use
- 4x6" format allows precise holder alignment
- Single filter combines warming and exposure control
Specifications
No published specifications for this item yet.
Questions about this item
How often will the resin surface need replacing with daily outdoor use?
The 2 mm resin construction resists scratches and impact well, so replacement is only needed if the surface becomes visibly damaged or optical quality degrades.
What limits exposure accuracy during long landscape sessions?
The fixed 0.9 density provides a constant 3-stop reduction; if light changes beyond that range you must swap filters or adjust camera settings instead.
Does the filter warm the image or add heat to the holder during all-day shoots?
The 81EF section adds a warm colour cast by design, but the resin material does not generate noticeable heat and the holder stays at ambient temperature.
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