OVF vs EVF put to rest

Started Sep 16, 2012 | Discussions thread
Karl Scharf
Senior MemberPosts: 3,032Gear list
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Re: the video advertisement
In reply to Kriekira, Sep 16, 2012

Kriekira wrote:

Three questions:

1. This is an advertisement. Advertisements are made to persuade. What persuasion is this advertisement pushing? Why was the decision made that this persuasion was necessary?

2. Why was the name "Tru-Finder" selected. What does the foregrounding of "Tru" tell us about the product being advertised?

3. The real question for me. I can see changes in the lightness of light objects caused by ripples in water below the objects in the a900/a850 OVF (e.g.: birds or grasses on a shore). I cannot see that in the a77 EVF. Is there an EVF on the market that delivers anything close to the absolute luminance fidelity of a large, bright OVF such as the ones in the a900/a850?

To address your 'real question': Yes you can see the 'absolute luminance' in your OVF, but there is no sensor, and there probably will never be any medium, that can capture it! So why is that so important to see in the viewfinder? At least, the EVF provides a more realistic view of what the sensor is actually recording, and even lets you see the effects of any adjustments that you make to the image you are trying to capture. If you want to see the 'absolute luminance' of a scene, just look at it with your own eyes.

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