Canon Extender EF 2x III projector lens The Manfrotto 490 is a

The Manfrotto 490 is a sturdy little ball head designed for compact or tabletop tripods

Note that this is an "E" type lens

some oil on diaphragm which does not affect function

The Graflex Optar 135mm f4

This TTArtisan 25mm f2 is a very compact lens for APS-C format Nikon Z cameras

Canon Extender EF 2x III projector lens The Manfrotto 490 is aCanon Extender EF 2x III teleconverter, in excellent cosmetic condition. Doubles the effective focal length of the lens mounted to it. Since the teleconverter extends into the back of the lens, not all lenses may be mounted: this works with select Canon L series telephoto lenses only. Please confirm compatibility between your intended lens and this teleconverter. Clean glass and excellent function. Includes front and rear caps.