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ANAMORPHIC

The largest online community devoted to anamorphic filmmaking.
Discuss lenses, adapters, workflows and post lenses for sale

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  1. FM lens discount

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  2. For sale: Iscorama 54

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  3. Kowa 16-S

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    • XL works perfectly well, performs exactly the same is it did on the GH5 
    • The Viltrox adapter doesn't currently allow AF with any lens, including the Sigma 18-35. Although, perhaps they will add it via firmware update like Metabones just did. The 12-35 f/2.8 is a great lens. I have a couple of them. But, the Sigma + Speed Booster will be much better in low light. That combo is ~ f/1.2 but has less range. The Sigma combo is roughly ~13-25. The 12-35 has IS and focuses *way* faster than the Sigma, just FYI.
    • Even if you encounter diffraction limitations, higher pixel counts mean that you can actually reach that limitation with bumping into approximation errors that you would encounter if your pixel resolution was at it. As a general rule of thumb, in order to capture a true image you want your sensor resolution to be significantly more than your lens resolution so you don't waste any of the lense performance. Plus, Beyer filters means that even when you are at the diffraction limit you will lose information, so you have to be significantly below it to capture reasonably accurate true color at the maximum resolution possible with the lens. High pixel count sensors are useful for this reason, even if the optics does not resolve down to that level. At a guess I would say that you need about 9-16 pixels (3X or 4X matrices) on the sensor to properly recover all of the information in 1 pixel of lens resolution. It is fairly simple. You use the 3x3 Beyer array to generate a single debeyered pixel, which is what is output. If that is done on the sensor itself it means that your camera would not have to debeyer the image separately, and you would essentially be getting a true color image from the camera at full resolution. The 4K output would have the image quality of a 12K camera, but without the computational overhead a conventional 12K camera would normally have. Since computing power is the bottleneck on all video cameras, a sensor that does this automatically itself would free up enormous resources in the rest of the camera that can then be used in other more useful ways. Such as monitoring more AF/exposure points for example, which in turn would allow for tighter more accurate tracking and things of that sort.
    • Just because they make a product doesn’t mean you have to buy it. If you’re not seeing any issues with the current adapters, don’t bother buying new ones. for me, the Viltrox EFM2 works perfect. No AF, but I don’t want or need it on this camera anyway.  i know that’s not the case for everyone, but if you do need AF, metabones have an update to make it work.
    • Oof.. What are the issues with the XL and Ultra then? It is certainly annoying that we will have to buy additional adapters. It also raises the P4K "investment".
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