Jasper Engineering twin vertical mounts with interocular bar cover Vivitar 2x Macro Focusing Teleconverter

Vivitar 2x Macro Focusing Teleconverter for the Canon FD manual focus lensmount

You can also use it to power other low-draw electronics (like a laptop) or charge phones and tablets with its 5A USB port

and 102mm f2

Shoots great

The Manfrotto 410 is a geared tripod head- very useful for precision work

Jasper Engineering twin vertical mounts with interocular bar cover Vivitar 2x Macro Focusing TeleconverterDesigned for stereography, this twin bracket system includes two vertical mounts with fixed 1 4" threads for camera mounting and a 30cm (12") interocular bar with a maximum separation of about 19cm (7. 5"). Made by Jasper Engineering of Mountain View, California.