How To Crop 4×5 Lightroom

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We photographers dear to share our piece of work with others through print or social media. Merely it’s often hard to judge what the viewer will meet. Sometimes the edges of the photograph are cropped off or a edge mysteriously appears.

Once yous understand ‘aspect ratio’, yous’ll never go these surprises.

Choosing an aspect ratio fixes the size of your image crop. This is helpful when printing and framing your work or formatting your photographs for social media.

Lightroom makes it very easy to modify image proportions. You can select from popular presets or create one of your own.

What is Aspect Ratio?

Aspect ratio is the relationship between the width and the height of your photograph. Many digital photographers ingather freely, merely you are fixing the relationship between the two dimensions of your frame when you set the crop ratio. If one dimension changes, so practise the others.

Instagram uses a square format (1:1). The width of the photograph is the same as the height. If your image is 20 cm across, information technology will too be twenty cm high. If you increase one dimension to 30 cm, the other dimension too increases to xxx cm. Another pop size is 4:v because images impress as an eight”x10” (20 cm x 25 cm). Other popular aspect ratios are iii:two, 1:1, and 16:9.

Each camera has a native aspect ratio. My iPhone xi creates a four:3 image, and my Sony uses a 3:2 ratio. A ratio of four:3 doesn’t mean that your photos are iv-inches by 3-inches. This ways that you tin can print any size that retains these proportions without cropping the scene. For instance, you could make a 6″x8″ (15 cm x 20 cm) print, or a 30”x40” (76 cm 10 101 cm) print.

photo of a bridge showing 4 different aspect ratios
Preview of iPhone photograph showing 4 different crops: 4:3, three:2, 1:1, and xvi:nine. The darkened areas will be cropped out.

Why Attribute Ratio is Important

What might be confusing is that common print and framing aspect ratios do not e’er stand for with the ratios used by photographic camera manufacturers. Printing an paradigm without first selecting an aspect ratio leads to unwanted cropping or unexpected borders.

Some cameras let yous to modify the attribute ratio in-camera. Only doing it in post-processing allows yous the most flexibility. Lightroom simplifies the process.

Once you empathize how to alter the aspect ratio, you’ll never have to struggle with press or unwanted cropping.

How to Change the Aspect Ratio in Lightroom

To gear up an aspect ratio for your photo, follow these steps:

Stride 1: Open the Crop tool

Go to the Develop Module and select the Crop tool (rectangle outlined by marching ants). The tool looks different in Lightroom Classic and Lightroom CC. The hotkey is “R.”

Lightroom crop tool

Step ii: Open Card

Click the crop aspect ratio drop-down menu. The default setting is either “Original” or “Every bit Shot.” Lightroom includes many popular presets. You also have the selection to create your ain.

Step 3: Select a Preset

From the list provided, select a crop size. If you lot don’t see the size you lot want, select “Enter Custom.” Enter either a ratio or the exact measurements. Lightroom will alert you if your measurements fall into one of the presets. Otherwise, a new preset is created.

Lightroom screenshot aspect ratio
Screenshots of Lightroom cropping tool showing aspect ratio presets.

When yous select a frame size different from your camera’s default, y’all will see that some of the limerick is cropped. Lightroom will hibernate the darkened areas in the final image.

Yous can adjust the cropping in Lightroom by dragging the overlay from side to side or upward and downwards. You can also drag in from the corners to make the ingather smaller. The scene will always retain the same proportions. You don’t accept to think near verbal measurements, just the human relationship between the peak and the width.

Alter the orientation of the crop past clicking the “X” key to toggle dorsum and forth from portrait to landscape. Notice that the padlock symbol is locked. Unlocking the padlock lets y’all freely crop without adhering to specific dimensions. You lot tin can also select a custom size.

Customizing Lightroom Attribute Ratio

Select the “Enter Custom” option if you want to set a new paradigm size. Many photo printers have a maximum of 13”x19” paper size. To meet how this will print, enter these dimensions in the pop-upward box.

Photo of bridge showing 13:19 crop on Lightroom
Lightroom crop tool showing a 13:19 ratio. Discover that the side of the limerick is cropped.

Many photo printers have a maximum of xiii”x19” paper size. I can enter these dimensions in the pop-upwards box to see what parts of my image will be cropped when I print. With this paradigm, I moved the crop to preserve the left side of the composition.


Changing the aspect ratio of a photo is necessary when printing or posting online. Lightroom’southward crop tool includes presets for common ratios and allows y’all to select a custom frame size. Once you get the hang of it, you lot’ll observe it a rather versatile tool in altering your image at will.

Moreover, your prints volition look exactly as you envisioned them.

Lightroom is a goldmine when information technology comes to photograph editing. Aspect ratio barely scratches the surface. Knowing a handful of smart commands from the very first not only saves you hours of fumbling merely also gives you jaw-dropping image edits. Check out our Lightroom Preset Drove to become a practical and solid starting time to your post-processing journey.