Free software "Vignetting Reducer" that automatically corrects the lack of light around the photo

When shooting a picture with a camera, the four corners of the image will become dark and dull "Marginal light amountPoor "phenomenon. In a state where you can see well in a cone equipped with a wide angle lens, in a sense it can not be said as "taste" of a photograph in a sense, but basically it is a fact that it is easier to see that the whole picture is brightly reflected.

However, bright lenses are priced, and it is rather troublesome to make parts of the screen bright even if you try to correct them with software later. So, I searched for various things that I could not correct photos that were somehow easily lacking ambient light intensity.Vignetting Reducer"It seems convenient to correct easily and accurately, so we decided to install it and try out usability.

◆ Installation

First download the installer from Marek Jablonski's page.


Launch the downloaded installer


Click "Next"


Click "Install"


Click "Close" to finish the installation


◆ I tried using

Click the desktop icon to start the software.


Click "Load Image"


Select the file you want to correct and click "Open"


When you click "Load Mask", it will automatically be adjusted, so afterwards you move the slider and select the desired correction level. The effectiveness of the correction can be previewed in real time.


The actual correction result can be seen in the following pictures.

Below is the image before correction. At the four corners of the photo, the tip of the red arrow is slightly dark like a shadow.


After correction it is like this. The shadow disappears and the whole image is almost evenly bright.


The result of correcting another photo is as follows.


Before correction.


After correction.


Since it can be corrected free of charge free of charge, it is recommended as a means of correcting when the photographs taken at a great moment do not look good with lack of ambient light intensity.