#Phones with ufocus series
The first series of the L series Canon 100-400mm lens focused at 1.80 meters, already offering a workable focusing distance for flowers, but the second series has reduced that distance to 90cm, which translates into an image magnification that makes the use of a true macro practically dispensable for the generality of the flower photography I do. A 230mm telephoto on the Galaxy S22 Ultra In fact, the longest focal length of a Canon 100-400mm zoom paired with a DSLR with an APS-C sensor. When people look at my flower photography they automatically say “macro” and ask me which macro lens I used… and I’ve to explain them that a 640mm focal length is used instead of a “normal” 100mm macro. In my case this information is even more important because, for years, for pleasure and professionally, I have photographed flowers with long focal lengths, exploiting to the maximum the ability of some lenses to focus on close distances. This knowledge is crucial to advance from the simple snapshot to more complex creations in terms of framing. On a cell phone camera, where the depth of field cannot be controlled through the aperture, it becomes even more important to know how close the subject can be, to play with the different planes in the image.
Knowing the shortest focusing distance of a conventional lens is essential from the very beginning of photography, because it allows you to define how you frame subjects and play with depth of field. Only one value is usually mentioned: that of the macro lens, if available, and especially in cases where AF is present, since many macro solutions in smartphones use fixed-focus lenses. But this information that photographers and videographers take for granted with conventional lenses, is completely ignored by cell phone manufacturers. I asked smartphone companies the question and none has replied.ĭo you know how close your smartphone’s lenses focus? I know, because I used a measuring tape to measure the distance and understand what I can and cannot do with different lenses. One piece of data usually missing from smartphone specifications is essential for photographers: the minimum focus distance.
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