In Stock!
Precision metal shim set for setting precise backfocus of critical optical systems. Fits M42 threads. (M48 and M54 sizes also available.) Each shim is etched to indicate the thickness. No need to dig out the calipers if you mix them up! Included sizes:
0.1mm
0.15mm
0.2mm
0.3mm
0.4mm
0.5mm
0.6mm
0.7mm
0.8mm
1.0mm