Dynapik offers a free online tool to change image types - no need to download anything. It's quick and easy to use. You can change your MEF images to PTIF format. This tool works for both professionals and casual users. Convert your images to PTIF in seconds.
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Mamiya RAW
Raw format for the Mamiya ZD and digital backs.
MEF is the raw image format used by Mamiya digital cameras, most notably the Mamiya ZD medium format DSLR. Before Mamiya was acquired by Phase One, they produced their own digital backs and integrated cameras.
MEF files contain high-resolution medium format sensor data (typically 22MP in the ZD era). They are TIFF-based and store 14-bit or 16-bit data.
Mamiya was a titan of film medium format. Their transition to digital was rocky, and the MEF format is a relic of that transition period before Phase One took over the ecosystem.
Pyramid TIFF
A multi-resolution TIFF optimized for deep zooming.
PTIF (Pyramid TIFF or Pyramidal TIFF) is a standard TIFF file that has been structured to contain multiple resolution levels of the same image (a 'pyramid'). This allows software to open immense images (e.g., gigapixel maps or medical scans) almost instantly by loading only the low-resolution tile suitable for the current zoom level, rather than decoding the entire massive file.
Inside the TIFF wrapper, the image is stored as a series of SubIFDs (Image File Directories). The main image is typically the highest resolution. Subsequent directories contain the image downscaled by powers of two (50%, 25%, 12.5%, etc.). Additionally, the image data is usually 'tiled' (broken into usually 256x256 blocks) rather than 'stripped'. This enables random access to specific regions.
Developed to handle the exploding size of satellite imagery and digital pathology slides.
Experience lightning-fast image conversions with our advanced algorithms. No more waiting for your files to be uploaded before processing.
Enjoy unlimited image conversions without any hidden fees. Our service is completely free to use, with no limitations on file size or quantity.
Convert images files between over 20 formats. We support popular formats like PNG, JPG, WebP, HEIC and more.
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