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Helen Bradley - Photoshop and Lightroom tips and techniques

Monday, March 30, 2009

Create a Faux Fisheye image effect in Photoshop


A fisheye lens is a wide angle lens which captures a lot of detail both in front of you and to the side - often as much as a 180 degree radius. While other wide angle lenses capture rectangular photos, a fisheye captures images which are distorted and which bulge in the middle and curve in at the edges.

While there is no real replacement for capturing an image using a fish eye lens on your camera because the field of vision is hard to duplicate you can still create a realistic faux fisheye effect in Photoshop.


Open the image in Photoshop and enlarge the canvas. To do this, drag the edges of the window containing the image so you can see plenty of the grey space around the image and click the Crop tool. Drag over the entire image to select it and let go the mouse button. Now drag outwards on the crop rectangle handles to select an enlarged area all the way around the image. You want a good amount of extra canvas. When you have done this double click to add the extra area to the image. It doesn’t matter what colour this is as you’re going to discard it later.


Choose Filter > Distort > Spherize to display the Spherize dialog. Set the Mode to Normal and set the Size to 100 percent and click Ok. This distorts the image by blowing up the middle of it to give a typical fisheye type effect.


Click the Crop tool, drag over an area of the image to retain and double click to crop to this size.


If necessary, clone areas of sky or other elements to fill the photo frame. Here I cropped the image so it would be nice and tall and knowing there was a little bit of work required to fill the missing areas of the sky.

Alternately, for a circular result, drag a circular selection across the image, choose Select > Inverse and choose Edit > Crop to Selection. You will now have a photograph which looks like it was captured using a fisheye lens.

Before you shoot (if you can!)
If you know you want to create a faux fisheye effect with the images you are capturing, then plan ahead and capture a 2 row by 3 column grid of images from a stationary point using a tripod and the widest angle that your lens can shoot at – in other words, don't zoom in at all. Overlap the images around 25% on the edges so you can assemble them into a panorama later on.

Back in Photoshop or your software, assemble the images into a panorama. You may need to do this in three steps first assembling each row into a panorama and then assembling the two rows into a single image. This will give you more image data than you would typically have and will make the final result more believable.

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5 Comments:

At October 30, 2009 at 4:42 AM , Anonymous Anonymous said...

it was very useful... thanks...

 
At December 4, 2009 at 11:56 AM , Anonymous Erin said...

Helen,

I should have known to come to your site first when looking for a fisheye tutorial! Thank you!

 
At February 8, 2010 at 3:03 AM , Anonymous ayu said...

there's other similar way... FILTER>DISTORT>LENS CORRECTION and play around with REMOVE DISTORTION.

 
At March 10, 2010 at 12:51 PM , Anonymous emelie said...

Ohh, great! cheaper than buying a fisheyelens!

 
At October 22, 2010 at 9:27 AM , Anonymous Golddiggie said...

The Filter/Lens Correction (it's higher in the menu under CS5) does a much better job of creating a fisheye effect on images. At least in my opinion it does. I'm sure you could get an almost exact replication using a combination of the effects/tools/filters, if you wanted to spend the time on it.

I'm planning on taking some shots over the weekend with the fisheye effect as the end goal. I'll end up using my 16-35mm f/2.8L USM II lens (on my Canon 1Ds MkIII body) at 16mm, getting me to as close a point as possible to the fisheye lens without actually getting one...

BTW, the fisheye lens (15mm) would be the cheapest lens I've purchased over the past three years (or so). At under $700 (brand new) it's about half of what I spent on my next cheapest (price) lens. It will also be my only non-L class lens in my arsenal. IF I cannot get a satisfactory effect via Photoshop CS5 filters (as well as the current plug-in suite from onOne) then I'll simply order up the lens to take the shots again.

 

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