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GLASS PLATES

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How to scan a glass plate without having a print of it ?
Glass plates are quite difficult to scan especially if they are thick and if the emulsion is not contrasted enough. After several tests, here is the process I would recommend :

bulletPut the glass plate on the scanner, emulsion must be in contact with the bottom scanner glass.
bulletDon't forget to remove the cache from the back-lited window of the scanner.
bulletDigitalize in million colors mode, resolution of 300 dpi and an enlargement of 100%.

My equipement :
Very basic...

bullet Scanner HP Scanjet 4890. This equipment has an excellent ratio quality/price.
bullet HP Scanning for scanning and Photoshop for picture corrections.
 
 

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