-Full Frame | NA 0.15 to 0.5
-20mm Fixed Focusing Distance
-Camera-Mounted Microscopic Lens
-Interchangeable Magnification Tubes
-Magnification from 10 to 50x
Magnification | 10x | 20x | 35x | 50x |
Adjustable numerical aperture(NA) | 0.5/0.45/0.4/0.35/0.30/0.25/0.2/0.15 | |||
Working distance (mm) | 20 | |||
Maximum objective diameter (mm) | 50 | |||
Length of objective lens (mm) | 167 | |||
Weight of objective lens (g) | 390 | |||
Aperture blades | 9 | |||
Wavelength range (nm) | 435-656 | |||
Objective lens+tube lens focal length (mm) | 18.8 | 10.3 | 6.85 | 5.56 |
Special tube lens for Laowa model | 10X Magnification tube | 20X Magnification tube | 35X Magnification tube | 50X Magnification tube |
Maximum diameter of tube lens (mm) | 70 | |||
Length of tube lens (mm) (excluded cover) | 112 | 163 | 210 | 253 |
Weight of tube lens (g) | 377 | 444 | 530 | 609 |
Maximum distortion | 0.60% | 0.80% | 0.40% | 0.40% |
Image field diameter | Full frame (24mm×36mm) | |||
Conjugate distance (mm) | 299.4 | 370 | 420.2 | 465.1 |
Mount | EF |