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You can then manually adjust focus using the controls.
To keep things simple, I chose to measure focus using the Sum-Modified Laplacian operator from Nayar.
In fact, Southern statesmen — diplomats, politicians, and Cabinet members — had another focus: using the power of the United States to expand and protect institutionalized slavery across the Western Hemisphere.
Two important questions arise: can the rod positions in these rubber phantoms be adjusted so that they may be used to test equipment distance measurement accuracy for all types of multielement transducers, and can they be used to measure beam focus (using the spread of the rod blur patterns)?
Bring the slide back into focus using the fine focus adjustment.
The laser beam was shaped into a planar sheet with a width of 5 cm and thickness of 15 μm at focus using the combination of cylindrical plano-convex and spherical plano-convex lenses of suitable focal lengths.
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If you're not sure you want guaranteed missed shots and/or poor focus, use the viewfinder rather than the LCD.
In the optical setup used, two parallel laser beams are generated using a beam splitter and then focused using the same focusing lens.
Gel rehydration was carried out for 14 h at 50 V and focused using the IPGPhor (Amersham) isoelectric focusing apparatus.
DAS181 concentrations as low as 0.04 µM substantially reduced the amount of virus-positive foci using the A/California/4/2009 or A/Mexico/4604/2009 H1N1 viruses (Figure 1).
We calculated the weighted centres of the foci using the following procedure.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com