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PhotoZoom Pro 4 from Benvista

Are you having problems enlarging an image file and wanted it set to a high resolution? Well, if you do then this article will definitely help you.

I will provide some details of what the company is telling us about the software and later on I would also give my own comments and feedback regarding this application.

PhotoZoom Pro 4 is one of the products of Benvista which offers a remarkable and advance technique in enlarging and downsizing digital photos/images. BenVista’s patented, award-winning S-Spline technology helps ease issues in creating sharp, crisp and crystal clear images, without blurriness, pixelation, or unnatural artifacts. Plus the convenience of it’s easy-to-use interface.

This software is perfectly suited for image magnification in DTP, industrial image processing (such as in space technology), medical applications, security, large format printing, digital photography, and online publication, or for enhancing images from the internet.


Figure 1. Application subject for review.

Official website:

System Requirements:


Microsoft® Windows® 7, Vista, XP, 2008, 2003, or 2000
Pentium-compatible processor
128 MB internal memory
30 MB free hard disk space


Mac® OS X 10.6 (Snow Leopard), 10.5 (Leopard), or 10.4 (Tiger)
PowerPC G4/G5 or Intel processor
512 MB internal memory
50 MB free hard disk space

 Main Features:

  • Patented, award-winning S-Spline technologies, including the latest S-Spline Max technique
  • Higher quality image enlargements, higher quality downsizing
  • Predefined settings for different types of images
  • Advanced fine-tuning tools: create your own presets & save them for later
  • New advanced technology for reduction of JPEG compression artifacts and noise
  • Film Grain functionality for an increased natural look
  • Extreme enlargements: up to 1 million by 1 million pixels
  • Multi-processor support: huge speed increase!
  • Batch conversion: resize huge amounts of images in one go
  • Advanced crop tool
  • Works as a stand-alone application and as an Automation and Export plug-in for Adobe Photoshop * (scroll down to review notes)
  • Preserves metadata and color profiles
  • Supports 16 bits/channel (including Raw) images
  • Supports 32 bits/channel (HDR) images (through Automation plug-in)
  • Supports layers (through Automation plug-in)
  • Increased image file formats support (through Automation plug-in)
  • Fully compatible with the latest versions of Microsoft Windows, Mac OS X, and Adobe Photoshop
  • Stand-alone application and plug-in versions are fully compatible with both 64-bit and 32-bit environments


Figure 2. The main interface showing the main controls and menus.

1. Original size. Displays the size of the image file, the image resolution in pixels, and the size of the image in inches or centimeters. The units of measurement can be changed; this only changes the way the size is displayed and does not actually influence the image itself.

The navigation box shows a thumbnail of the image. The part that is currently visible in the preview window is indicated by a rectangle. You can drag this rectangle around with your mouse to preview different areas of the image.

Please note that if you are working on a large file, it will take a longer period before it can completely update the image on screen. Unless, your computer is that powerful then you might not experience this trouble.

2. New Size. In this section, you can specify the desired size for your image in terms of pixels, inches, centimeters, percentage of the original, and/or dots per inch.

All sizes are defined in width by height. You can alter the size of the image by typing in new values, or by clicking (and holding) the arrows with your mouse. While you make changes to size, it will be updated real-time in the preview window.

When I use this program, I simply make use of the presets. You can access this by clicking on the arrow (located at the far right, next to pixel and percent drop-down menu) and choose your desired preset. If you would like to maintain the aspect ratio, just put a check mark inside the corresponding checkbox.

3. Resize Method. There is a number of resize methods you can choose from. The default is S-Spline Max, the new and improved S-Spline technology, which usually gives the best results. But it is also possible to select a different method. Every resize method has certain settings that can be fine-tuned, and some presets containing pre-defined settings (designed for different types of images).

For advance users, preset is not enough. Well, this software gives you that option. The fine-tuning tool is available and can be accessed by hitting the arrow. This even offers anti-aliasing for smoother edges and better outcome of your digitally resized image.

4. Navigate, crop, flip, and rotate.

The “navigation tool” , which is selected by default, is being used to preview different areas of the image in the preview window.

With the “selection tool” you can select a part of the image. Click the selection tool to activate it. To make a selection, click and drag a frame in the image (click and hold the left mouse button while moving your mouse, then release to make the desired selection).

Once you have selected a part of the image in the preview window, the “crop tool” becomes available. Click the crop tool to cut out the part you have previously selected using the “selection tool”.

By using the different arrow buttons, the image can be flipped horizontally and vertically, and rotated clockwise and counterclockwise.

5. Preview zooming. With this feature you can zoom in and out in the preview window. Note that this option is only included for viewing purposes; zooming in/out does NOT use any resize technique and has no actual influence on the image.

Now, let’s go to the Menu and Toolbar. On this part, we would also know some basic important shortcut keys.


Figure 3. Menu and Toolbar.

Open. Opens an image file in the preview window.

Save. Saves the resized image, after letting you choose a location and specify a filename and format. See the available file formats in Figure 4.


Figure 4. The list of supported file formats.

New Batch. This function is useful when you need to resize multiple images. Say you need hundreds of images to be resized to a certain size, batch processing feature allows you to select all of those images, specify the required size just once, and PhotoZoom Pro 4 will do the rest.

Preview. Updates the preview in the preview window, based on the current settings. Note that when “Auto Preview” is enabled (which usually is the case), the “Preview” button will be disabled. Auto Preview ensures that an image is being updated immediately when a setting changes. Sometimes it can be useful to turn off auto previewing (for example on slow systems). To do so, you can deselect the “Auto Preview” option from the “View” menu. You can then use the “Preview” button when you want PhotoZoom Pro 4 to show you a preview based on the changes you made.

Preferences. Opens the Preferences window in which you can configure some settings. See Figure 5.


Figure 5. Preference’s Window.

Help. Opens the User Guide.

About. Shows information on the software and its creators, version number, registration info, website links, and licensing and copyright information.

 Links. Provides an easy way to visit our website ( for up-to-date information on PhotoZoom Pro 4 and other software we created. Here you can also launch other BenVista programs (if installed) or find direct links to their product information pages.

Here are some important shortcut keys:

Open (Ctrl+O / Cmd+O)
Save as… (Ctrl+S / Cmd+S)
Undo (Ctrl+Z / Cmd+Z)
Redo (Ctrl+Y / Cmd+Shift+Z)
Deselect (Ctrl+D / Cmd+D)
Select All (Ctrl+A / Cmd+A)
Run (F5)


  • The PhotoZoom Pro 4 Automation plug-in is compatible with:
    • Adobe Photoshop CS5 (64-bit and 32-bit)
    • Adobe Photoshop CS4 (64-bit and 32-bit)
    • Adobe Photoshop CS3, CS2, CS, 7

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