The M Plan APO HR 5X 0.21 objective test is online:
https://www.closeuphotography.com/apo-hr-5x
In the test we compare these 3 objectives:
Mitutoyo M Plan APO 5X 0.14
Mitutoyo M Plan APO HR 5X 0.21 (HR5X)
QV-objective HR 2.5X 0.21
The HR5X is one of the finest optics I’ve ever tested, be sure to check out the full test and check out the 2500 pixel image samples and the 100% view crops.
