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Wide flat field and edge sharpness an illusion?
By the way: is the problem with the confusion in this topic that the english language is unlogical? There are a number of example of this. I have earlier written about that the common expression "a pair of binoculars" is actually not correct. The word binocular means 2 oculars. So technically a...- Swedpat
- Post #50
- Forum: Binoculars
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Wide flat field and edge sharpness an illusion?
There is a confusion about the terms used here. I have discussed it earlier at Cloudy nights forum. In my understanding a flat field means undistorted. Therefore I have reacted when it is commonly said that a flat field results in rolling ball effect. I mean that rolling ball effect is a result...- Swedpat
- Post #45
- Forum: Binoculars
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Wide flat field and edge sharpness an illusion?
I don't agree that sharpness across the entire FOV is not of practical value at free hand use. Yes, it's not as important at free hand use as when it's mounted because we often automatically move the binocular in order to place the observed object in the center. I have a 5x25 ultrawide with...- Swedpat
- Post #43
- Forum: Binoculars