Tony
lvl.4
Flight distance : 2856060 ft
United States
Offline
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can't speak to the effectiveness of the anti-moire filter. But it seems pricey, and I'd be curious to see your comparison video and if it is truly worth the price tag.
As for the aperture, it is a mechanical function, or ratio of the size of the hole, versus the length of the lens which explains why they are described as fractions (to put it in terms I understand, haha). And you are right, to make it adjustable would mean an entirely different lens. One that has an adjustable hole size or barrel or zoom length, for example. But if what your asking for is a more even level of focus comparing near objects to far objects, I think we have the best we can get with such a small camera and such a wide angle lens. It is my understanding that bokeh, or background blur, is more pronounced at long lens sizes when focusing on objects that are very far distances apart, for example. So, with a very wide angle lens like we have, when focusing on scenes where most of the frame is considerably far away but similar distance (as we do with a phantom copter), then we are getting the benefit of focus, and less bokeh, which I think is what you are asking for. In other words, even though we are shooting at a large aperture (2.8) it is not the same as using a 50mm f/2.8 portrait lens on a DSLR. You wouldn't see background blur on the phantom because you are never focusing on a subject close to the phantom and having the background out of focus. Your clarity issue is not caused by the large aperture but instead by the size of the sensor and overall quality of the camera. That's not to say that a smaller aperture wouldn't make for a clearer image. But it would then require either a longer shutter speed or more sensitive sensor or higher ISO (and more grain).
Geez, this makes sense in my head, but I am obviously having trouble explaining it! Point is, your images are as sharp as they are going to be with this camera with this technology, and if you want bokeh you will need to do it in post, with a blur brush or gradient or something creative like that.
So, for the Phantom, always shoot in raw and force 100 ISO to get the best possible images to work with. Then process your images to your liking.
And I don't mean to preach to you or speak as if you don't know these things. Just trying to help.
Man, now I've confused myself. Anyone else want to take a stab at this? haha |
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