In Stock!
Precision stainless steel shim set for setting precise backfocus of critical optical systems. Fits M48 threads. (M42 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! Outside diameter is 55mm. Included sizes:
0.1mm
0.15mm
0.2mm
0.3mm
0.4mm
0.5mm
0.6mm
0.7mm
0.8mm
1.0mm