Note: Focal length and focal depth for objectives are specified at a reference wavelength of 0.55 µm irrespective of working wavelength.
The G Plan Apo Series objectives are designed for observing a workpiece through glass (thickness = 3.5 mm).
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MIT-378-847 | MIT-378-848-3 | |
---|---|---|
Magnification | 20X | 50X |
Numerical Aperture | 0.28 | 0.50 |
Working Distance (mm)*3 | 29.42 | 13.89 |
Focal Length (mm) | 10 | 4 |
Resolving Power (µm) | 1.0 | 0.6 |
Focal Depth (µm) | 3.5 | 1.1 |
View Field 1*1 (mm) | ø1.2 | ø0.48 |
View Field 2*2 (mm) | 0.24 x 0.32 | 0.10 x 0.13 |
Mass (g) | 270 | 320 |
*¹Field of view when using a field number 24 mm eyepiece.
*²Field of view when using 1/2" CCD camera.
*³In air.