or for that matter stills when you're up close in the macro range this is a lens with a maximum aperture of f NUMBER_TOKEN it has a minimum aperture of f NUMBER_TOKEN. however in this case because you're setting the aperture physically it's not going to change electronically and so it seemed like there was a lot of loss of light there so it seemed like the aperture was actually closing down and in a sense it was though not in a physical sense that aperture if it's set at f NUMBER_TOKEN it's always going to be an f NUMBER_TOKEN size but the laws of physics says that as you start to get very close to a subject you get into that macro range that the effective aperture the way that that aperture behaves starts to change and so you will have a similar effect to the aperture closing because less light is able to reach the sensor due to that higher degree of magnification it's one of those quirks that a lot of people don't understand and in some cases the lens will actually report a smaller aperture than what is set so people will say this is not really an f NUMBER_TOKEN lens it doesn't work at f NUMBER_TOKEN in macro range well actually it does have an f NUMBER_TOKEN aperture but all apertures do their behavior changes when you get very close nonetheless this does create a very real challenge so if you're going to do macro photography or videography you have to have either a well-lit subject particularly when you're getting so close only about three centimeters away at one to one so you're gonna have to have good lighting on your subject either naturally or you're going to have to provide that lighting through a macro ring light or some other source of light and so as craig noted that allowed him to have a lot more greater control over the um the iso setting that he could use and thus get cleaner better looking results out of that that's going to be true whether you're doing stills or video and it's a reality of that the other reality that is there is that obviously uh on a body like the aNUMBER_TOKEN or some fuji bodies some micro four thirds bodies you might get in body image stabilization that obviously does help to do handheld macro but doing holding something steady uh when you're that much magne magnified and depth of field is so thin is a really challenging thing so like most macro lenses you'll probably get your best results off of a tripod for that kind of work but you can get some really impressive results out of this lens and from the moment i saw the mtf and i started to use it i was impressed because the mtf shows a lens that is very sharp from wide open across almost all the frame with only a very minor drop off right at the very edge of the frame though still quite strong and that is what i found in real life let's dive in and take a look at that so as per usual we'll start by taking a look at the vignette and distortion you can see taking a look at my test chart that there is only a minimal minimal amount of distortion here very little to correct we'll get to that in just a second there's a little bit more noticeable amount of vignette mostly concentrated into the corners on the right side you see what i was able to achieve through manual correction and remember this is a lens that doesn't
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