![]() ![]() A Nikon CFI Plan 10x/0.25NA 10.5mm WD objective is an superb infinite objective for 5:1 to 10:1. Nikon CFI Plan 10x/0.25NA 10.5mmWD objective, an excellent infinite objective for 5:1 to 10:1.Īn infinity objective is one that has to be mounted in front of an infinity tube (ie a lens mounted on the body focused at infinity), whereas a finite objective has to be mounted a specified distance from the image sensor. The microscope objectives used in extreme macro can be divided into two camps: infinity objectives and finite objectives. Bottom line: a microscope objective has a lower f/stop than reversed enlarger lenses will give you at extreme magnifications. ![]() I personally tend to use a microscope objective beyond 5:1 because there is less diffraction with microscope objectives. ![]() less diffraction with microscope objectives Microscope "objectives" is the name for the lenses that are used in microscopes, and provide more or less the only way to go beyond 10:1 macro photography, although they are also used to cross the 5:1 macro threshold. ![]()
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