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While photographers can still get their hands on the Fujinon XF 18-55mm f/2.8-4 R LM OIS lens, it will no longer be the kit lens of choice for Fujifilm cameras, including for the new Fujifilm X-T50 camera. Supplanted by the new XF 16-50mm f/2.8-4.8 R LM WR, the XF 18-55mm f/2.8-4 proved challenging for competitors to match — not for a lack of ability, but a lack of desire.

In the second idea, the whole ternary plot becomes sort of an x axis? I then extend into the 3D plane with my sleep variable...this would be like a normal 'y' axis, i.e. the higher you go, the higher the number. Would it be possible to do this with just one sleep variable or would it have to be done with a minimum of two sleep variables? If it needs more than one sleep variable that is fine too, because I have for example, time it takes to get to sleep and deep sleep percentage too, which I could put on the same graph.

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While many kit lenses are stopgap measures, something you have to take decent photos while you learn how to use your camera and save money for an upgrade, that is not what the XF 18-55mm f/2.8-4 is. It is not a temporary solution waiting to be replaced. It is an entirely suitable long-term standard zoom lens. Sure, photographers may have wanted something a bit wider, longer, or faster for different types of photos, but that “24-70mm” range (27-83mm, in this case) was suitably covered.

We'll want to define our transformation from 3 variables down into our triangular 2D grid and convert our data over. This I just pull directly from Wikipedia.

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The Fujifilm XF 18-55mm f/2.8-4 R LM OIS has been around for a long time. It was announced in September 2012 alongside another great Fujifilm X Series lens, the XF 14mm f/2.8 R. The XF 18-55mm f/2.8-4 has long been a kit lens option for many of Fujifilm’s mid- and high-range cameras, a sort of “upgrade” option over the company’s XC 16-50mm f/3.5-5.6 OIS and later XC 15-45mm f/3.5-5.6 OIS PZ lenses.

How to changeXaxis labels in GraphPadPrism

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No, the XF 18-55mm is far from Fujifilm’s best X Series lens, although it is undoubtedly a great standard zoom lens and certainly one of the most-owned XF lenses. But it matters so much because of what it provides to new shooters.

How to moveXaxis down inPrism

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If you get a photographer in the door and ensure they have a great time, they will stick around. And if they stick around, they will inevitably purchase more lenses (and cameras) over the years, as they run into situations that can only be solved with different lenses. Not necessarily better, but different.

Appreciate I may not have been the clearest, so happy to explain things again if needs-be! In an attempt to make some thing clearer, I am attaching a hand drawn picture of what I think I want!

Prismsort byYvalue

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I then want to extend this into 3D space because my dependent variable is sleep duration etc - how can I plot this 'y' value for a corresponding point on the ternary plot?

Obviously a non-random dataset should show some more revealing patterns. In my experience 3D graphs are really hard to make look nice and convey the data in a digestible way, I think this way should work nicely.

It may sound hyperbolic, but the XF 18-55mm f/2.8-4 is the most important Fujifilm X Series lens ever made. It has been the “first impression” lens for many photographers purchasing their first Fujifilm X Series camera and, in many cases, their first interchangeable lens camera.

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There’s a reason the term “kit lens” has achieved a negative connotation. Most companies, Fujifilm not among them, don’t endeavor to make a great kit lens. I’m not going to name any names, but I have spoken to camera companies about kit lenses before, and responses consistently touch on two primary concerns. How can a company make a good and affordable lens? This is a tough problem to solve, and it is made more challenging by the second concern: how do you make a kit lens that is good enough to deliver a positive experience but not so good that someone won’t want to purchase additional lenses?

Finally draw it! Here sleep is a number between 0 and 1 with 0 being red, 1/2 being blue, 1 being green and anything in between a proportional blend between the 3.

Here's some quick and dirty code for an idea of a DensityPlot. Because my data is random it looks mostly like a solid block of color. You can clean it up and add all the axes and stuff if you like.

Fujifilm focused on that first problem with the XF 18-55mm f/2.8-4 and ignored the second one entirely in favor of answering a third question. “How do we make a lens that makes new users excited to stay in the Fujifilm family?”

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PrismTranspose data

I am doing a biology experiment, varying the composition of people's diet and seeing the effect of that on sleep. Because I am varying macronutrient break down, I have a three part system. (eg. 50% protein, 30% carbohydrates, 20% fat etc). I can denote this percentage diet break down on a ternary plot.

This bold direction proved fruitful, and hopefully, the new XF 16-50mm f/2.8-4.8 kit lens will be as good at forging powerful, lasting bonds with new photographers as its predecessor, the lens no one else dared to make.

I'll start by making a random dataset. Here we take 2 random numbers for the first two variables then set the third such that $a+b+c=1$ to be consistent with a Ternary plot. Here $a,b,c$ correspond to carbs, fat, protein respectively. We take the 4th variable to be another independent random number which corresponds to sleep for your case. Lastly we select only the data where $\{a,b,c\}>0$

Fujifilm took a long-term view with its legendary kit lens, and it paid significant dividends. While other manufacturers were thinking of ways to sell more lenses as quickly as possible — a reasonable approach, by the way — Fujifilm focused on using its camera kits to build positive, lasting relationships with photographers.

While the immediate benefit of a good kit lens is obvious when it comes to saving money, the initial feeling of using it is much more important. A good lens shapes the entire experience of using a new camera. It cannot be overstated how essential a budding photographer’s initial experience is to their long-term interest in the craft (and a specific brand). And little harms that experience more than a lousy kit lens.