This scanner has been serviced and film tested prior to sale! This includes cleaning the internal surface first mirror and greasing all tracks and slides. This item was tested using 35mm color film and the original nikonscan software (available online). Comes with items pictured, no SA-21 bulk scanner. All sales final. The Nikon Coolscan V LS-50 ED 35mm Film Scanner is a high-quality photo, slide, and film scanner with a maximum resolution of 4000 dpi. With a 16-bit grayscale depth and 42-bit color depth, this scanner provides excellent image quality. It features a CCD image sensor and LED technology for accurate and detailed scanning. The scanner is equipped with USB 1.0/1.1 and USB 2.0 connectivity for easy connection to various devices. Part of the Nikon Coolscan product line, this scanner offers reliable performance and advanced features for professionals and enthusiasts in the field of film scanning.