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NEF to HDR
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NEF stands for Nikon Electronic Format and is Nikon's proprietary raw image file format. It stores image data exactly as it was captured by the camera’s sensor, preserving the maximum amount of information and allowing for extensive post-processing flexibility in terms of exposure, color balance, and sharpness adjustments.

HDR (Radiance RGBE image format) is an image file format designed to store images with a broad range of luminance levels, from deep shadows to bright highlights, capturing more detail in both areas than standard digital imaging formats. This format is commonly used in photography and computer graphics to achieve more realistic or artistically enhanced representations of light in images. However, HDR files can be larger in size, and they require compatible software and displays to fully appreciate the enhanced dynamic range.