Canon Extender EF 1.4x III format_17.5mm 5 is a good quality

5 is a good quality manual focus zoom lens for Minolta MD mount cameras

RC0 quick-release plate

this lens boasts impressive resolution and possibility for movements on 4x5"

but it's quite a device

Canon Extender EF 1.4x III format_17.5mm 5 is a good qualityCanon Extender EF 1. 4x III teleconverter, in excellent cosmetic condition. Increases the effective focal length of the lens mounted to it by 1. 4x while maintaining complete communication between lens and camera. Canon's teleconverters are not general purpose: they will work specific lenses only, and autofocus function may vary by lens and camera. Be sure to check compatibility before buying! Clean glass and excellent function. Includes pouch.