Constructed mostly from metal these enlargers will provide a lifetime of service making them ideal for use in schools and colleges as well as home darkrooms. The condenser illumination coupled with the high quality lens supplied ensures enlargements of the highest quality. A built in filter drawer allows the use of gelatin multi-contrast filters. The enlarger comes with a f-4.5 50mm for 35mm negatives, 35mm glassless masks and 75watt enlarger lamp.