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Helicon focus price7/31/2023 ![]() The bread is indescribably delicious and to be appreciated fully it should be eaten the moment it is pulled from the open flame of the burner when it is still the size of a cantaloupe, a crisp and chewy charred ball filled with aromatic steam, and nothing else. There is a type of bread enjoyed daily by millions across the Indian subcontinent and around the world. So if these are such competent stackers, and they are, why aren’t we using them? To understand that, an analogy is in order. At the current time, there are two commercially available, affordable, stacking products that offer all or most of the required functionality and an intuitive graphic user interface Helicon Focus and Zerene Stacker. So the technical challenge should be self evident - how do we blend these one thousand partially focused images into one fully focused one? We need a sophisticated focus stacking software program to do the heavy lifting. Let that constraint sink in for a moment - to build a composite image of a subject one millimeter deep, made up of images that are all in sharp focus, would require that the camera or subject move roughly one micron between capturing each of a thousand individual frames. At a magnification of 20X, for example, our depth of field is only around 2 microns, or 2 thousandths of a millimeter. Remember the prices quoted for all licenses are ‘lifetime’ not annual.The primary difficulty in capturing high resolution images of very small subjects using photographic equipment is a result of the very shallow depth of field at which we work. ![]() You can always upgrade later if you need more flexibility. If you are not sure which version is for you, then start with the Helicon Focus Lite which contains most things that are needed for microscopists to obtain images that are in focus throughout the depth of your specimens. This is highly recommended software for those undertaking digital photomicrography. Helicon Focus solves the problem very simply and effectively. The result is that serial images taken through the depth of focus move laterally one to another down the angle of the optical path. Low power stereos have diverging optical paths, and it is common for one of these optical paths to be diverted via a prism to the third eyetube in a trinocular head.
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