OVF: Since they are so simple by design, OVFs do not have a lot to offer when it comes to overlays.The sensor then just projects this image on to the tiny screen which is the EVF. The incoming light, in this case, falls directly on the camera sensor itself. As the design goes, there are no mirrors or prism. When you use the camera on your phone to take an image, the whole screen shows you what the camera “sees”. Think of them like your cell phone screen, just a lot smaller. EVF: Electronic viewfinders are basically tiny screens.It just consists of a mirror and a prism mechanism which directs the incoming light from the lens up into the viewfinder. There is literally nothing fancy about it. OVF: Optical viewfinders have a simple mechanical design which is solely powered by light.Keeping in mind these attributes of a typical camera viewfinder, let me just give you a rundown about specifically the Optical and Electronic counterparts. It also has to perform in many different situations, like low light, harsh climatic conditions, shooting fast subjects, using slow shutter speed, under bright lights, etc. The better the representation is, the better is the viewfinder. The one thing that all viewfinders should do and do well is accurately represent the image the photographer would end up recording before he takes it. And finally, mirrorless cameras use an electronic screen as a viewfinder. DSLRs have Optical Viewfinders which project an unaltered image straight out of the lens. For you to look through the camera viewfinder in a TLR camera, you needed to look down through it instead of just bringing it up to your eye. Twin lens cameras also used two independent lenses but in a different way. For example, Rangefinders have had separate lenses which try and mimic the view of the other lens attached in front of the sensor. Historically many different cameras have done exactly this in many different ways.
This is going to be a short-n-sweet post! The BasicsĪ viewfinder is generally referred to as a small hole or opening on the top half of the camera that allows the photographer to visualize the resulting image before he takes it. And how they might add to your existing abilities or style. If you know what they are and how they differ from the more traditional Optical Viewfinders (OVF) found in DSLRs, then you probably don’t need to read this.īecause the only way you can make an informed choice the next time you are trying to buy a new camera is by understanding the differences and the nuances of these new technologies.
With the advent of the mirrorless cameras, now we have a rather “new” one, the Electronic Viewfinder (EVF). We are absolutely and truly spoilt for choice.
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