0.4mm precision drill bit

Taken for Macro Monday 17 Jan 2022 "My closest"

 

Full set of Macro tubes (60mm)

Helios 3x teleconverter

Zeiss Sonnar 135mm (set to 10m focus)

Besel 4x Macro adaptor

to achieve 5mm frame width (mm ruler bottom of shot)

 

Lit by LED floodlamp

 

www.flickr.com/photos/193143439@N05/51824662864/

shows the rig I used.

Done