5:1 setup

High magnification setup:

EOS 500D/T1i

Ext.Tubes

M42 Macro Bellow

Meyer-Optik Görlitz Trioplan V 100mm f/2.8

Canon EF 50mm f/1.8 mark II (reversed)

 

Extension length:

(Ext.Tubes x2 + m42 Macro Bellow fully extended) 24cm

 

Working distance:

(from tip of the lens to focus plane) 1cm

 

Magnification:

(5:1) 5x

Done