Zoom is an accessibility feature that makes everything on your iPhone or iPad's screen bigger and much easier to read.
It defaults to 5x magnification but can be set from 1x to 15x, depending on your preference and needs. When zoomed in, all the regular gestures, like pinching, swiping, and tapping, will work the same, but you can pair it with VoiceOver for further assistance to those with visual impairments.
How to enable Zoom
Once you've got Zoom enabled, you can use it on the fly. Here's how to use it:
That's it! You're good to go! If you ever decide you don't like zoom enabled, you can easily disable it by following the same steps.
How to enable/disable Follow Focus
Follow Focus will make the Zoom window jump to the text you're typing and follow it along. With Follow Focus enabled, you won't be able to zoom in on the keyboard as you type.
How to enable/disable Smart Typing
To enable smart typing, you must first enable Follow Focus.
How to enable/disable the Zoom Controller
The Zoom Controller is a little joystick of sorts that lets you quickly access the Zoom menu, pan around a zoomed-in part of the screen, and quickly zoom in and out. Here's how to turn it on:
To use the Zoom Controller, double-tap it to zoom in and out; tap and hold it when zoomed in and drag your finger around the circle to move around the magnified area; tap it once to bring up Zoom settings.
How to change Zoom Controller visibility
You can control how transparent the Zoom Controller is when Show Controller is turned on.
How to change Zoom Region
You can choose to zoom in on the whole screen or just within a movable window.
How to change the Zoom Filter
If you need the colors inverted on the zoomed-in area or if you need grayscale or low light, you can activate those options and they'll only apply to what's in the Zoom area.
How to change the Maximum Zoom Level
Questions?
Let us know in the comments below!
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Zooming on your digital camera involves getting a closer view of far-away subjects. Optical zoom gets up close and personal by using an actual lens adjustment and digital zoom adjusts the image in the camera itself (this figure shows the difference in the images you get):
The camera used an optical zoom for the picture on the left and a digital zoom for the one on the right.
Zooming on your digital camera involves getting a closer view of far-away subjects. Optical zoom gets up close and personal by using an actual lens adjustment and digital zoom adjusts the image in the camera itself (this figure shows the difference in the images you get):
The camera used an optical zoom for the picture on the left and a digital zoom for the one on the right.
Before you go overboard with the zoom on your next shoot, learn how the lens works — and how to use it properly.
Cover image via Shutterstock.
Whether you’ve been guilty of this yourself or have seen others struggle, zoom-happy filmmaking can ruin a shoot and annoy audiences. That’s not to say zooming in and out is a bad thing; in fact, it’s actually a marvel of lens technology that we can zoom at all. And when you use it intelligently, it can be quite effective.
However, it is still easy to take the zoom for granted -- especially now that filmmakers have handy stock lenses for DSLRs and mirrorless cameras that offer great flexibility and range to zoom easily and often. Let’s explore how zoom lenses work and some best practices to help you use them effectively, intelligently, and properly.
How Zoom Lenses Work
Image via Wikimedia.
According to a good Wikipedia definition, “a zoom lens is a mechanical assembly of lens elements for which the focal length (and thus angle of view) can be varied, as opposed to a fixed focal length (FFL) lens (see prime lens).”
That sounds pretty straightforward, but let’s dive into how the mechanisms work to change the focal length and your angle of view.
As you can see in the gif above, a simplified zoom lens works by combining two parts: a focusing lens similar to your standard prime or fixed lenses and an afocal zoom system, which is the sliding element that does not focus on light. Rather, it focuses on altering (thus magnifying) the size of the light. What’s important is that, while the zoom comes from this sliding lens, it is necessary to compensate for any movement of the focal plane to keep the focused image sharp — which means either you have to physically move the camera or move the focal plane to compensate.
Because of this compensation, and in spite of how much flexibility a zoom offers, there are several factors you need to be aware of: noise, pincushioning, slower shutter response time, and a greater need for stability. Here’s a great video by Canon that provides more in-depth information — not just about zoom lenses but also how lenses work in general.
How to Zoom Properly and SmoothlyImage via Peta Pixel.
For filmmaking, it’s important to not only understand how your zoom works but also what zooming is meant to do for your audience. Zooms can be quite abrasive at times, which can be a stylistic decision, but it’s often an unwanted consequence.
On many professional production shoots, zooming is intentional, and it relies on a focus puller to compensate — or with exact measurements in mind. On small DIY productions, you can purchase (or make) different devices to help smooth a zoom. Here are a few resources and tricks.
I’d be remiss not to mention that you can add many zoom effects in post-production as well. Here are some resources to consider for creating digital and stylized zoom effects.
Know When to Zoom (and When Not To)Image via Shutterstock. How Does Zoom Work To Send Money
Once you feel you’ve mastered the art of zooming, it’s time for you to decide when you actually want to use a proper zoom. Like Stanley Kubrick so aptly demonstrates in his classic Barry Lyndon, zooms can create quite a cinematic effect when used slowly and artistically. It is important, however, to note that the heyday of zoom technology in filmmaking was in the ’60s and ’70s. As such, in the case of self-aware filmmakers like Quinten Tarantino, a heavy-handed crash zoom in itself can be a retro-filmmaking technique.
On the other hand, zooms have grown less popular in pure cinema settings. Instead, they have found a home in reality television, where they portray real life and home-video quality. You don’t have to look long or hard to find many essays on why you shouldn’t use zooms (or even many arguing more for dolly shots over zooms).
At the end of the day, a zoom is a practical and stylistic option for your production, but it’s not a perfect tool for every situation. Pick your spots, focus on your intentions, and use your tools and resources wisely for optimal results.
How Does Zoom Work From An Iphone
Looking for more information on zooms? Check out these resources.
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