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About MEF Files

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A .mef file is a Mamiya Raw digital camera raw image. Raw images are a type of digital photograph that come directly from a digital camera's image sensor in an uncompressed, unprocessed state. The extra data included in raw files allow photographers to make better adjustments to brightness, contrast, and colors in their photographs.

MEF files can be opened by image viewer applications with RAW format support, and edited by image editing software like Adobe Photoshop. They can be converted to other image formats to make them easier to share. The JPEG (.jpg) format is the easiest to share, reducing the file size by using lossy compression that slightly reduces image quality. Lossless formats like TIFF (.tif), PNG (.png), and bitmap (.bmp) can also be used to share photographs, but at larger file sizes.

About File Helper

File Helper is a free web-based file utility that can open Mamiya Raw Image files and over 150 other file formats directly in your web browser. It displays file properties, including metadata, and image EXIF data, along with information about the corresponding file type. File Helper can also view and convert images to several common formats. Have an unknown file or a file without an extension? No problem — File Helper can identify over 15,000 file types.

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