Canon Extender EF 1.4x II  type_Darkroom Accessories Works with Nikon’s Nikon Scan

Works with Nikon’s Nikon Scan software and third-party software like Vuescan (not included)

Of note: this lens includes a rear lens cap but does not include its special "front" lens cap (the part that covers the lens tube which protrudes into the lens)

There's an Arca-type clamp up top for camera mounting (plate is sold separately)

is just fine

Canon Extender EF 1.4x II &nbsptype_Darkroom Accessories Works with Nikon’s Nikon ScanCanon Extender EF 1. 4x II teleconverter, in excellent cosmetic condition. Increases the effective focal length of the lens mounted to it by forty percent while maintaining complete communication between lens and camera. Since the teleconverter extends into the back of the lens, not all lenses may be mounted. Please confirm compatibility between your intended lens and this teleconverter. Clean glass and excellent function. Includes pouch.