shadowwalker

Lives in United States San Jose, CA, United States
Works as a Tech dabbler
Joined on Apr 8, 2019

shadowwalker's recent activity

  • Read about how PDAF works. Each point is a specific type of sensor that splits the light. From the length and direction of the split, it can tell distance and direction. They are hardware and...

  • I'm getting really bored with this.

    The A9 uses a hybrid focusing system with 693 phase-detection points which cover 93% of the image area. These do the OSPDAF focus, as I described...

  • You are correct, but not entirely. You are correct that the PDAF sites are located on the main sensor, but you misunderstand what that means. They are on a totally separate logic path and have no...

  • Nice basic camera with decent features, but nothing outstanding about any of them. Looks like they made it by removing the premium features of the G9 with nothing in return.

    For the $500 price...

  • And finally, your comments about TOF. You are completely correct, today. But unlike PDAF sensors, this is a technology that is being actively developed and improved. It has the promise of being the...

  • The fine focus in my last post, is based on the fact that CDAF doesn't require a calibrated lens. It is literally doing the focus from the image on the main sensor. This will ALWAYS be superior to...

  • PDAF is not accurate. Or to be more correct, it can be accurate if your lens is perfectly calibrated to your camera. Unfortunately, this doesn't happen in the real world. Lens calibration shifts...

  • Okay, fine. Most of the answers to your statements were already presented above, but since you didn't read them, here goes. If this takes more than one post, I apologize in advance.

    PDAF is not...

  • Virtually everything you just wrote is wrong to the point that it isn't even worth replying.

    Enjoy your camera, whatever it is. Take beautiful pictures that give you artistic fulfillment, and...

  • Um no, you are almost certainly wrong. The history of computer-assisted automation has shown over and over again that as processing power grows, restrictive hardware implementations invariably give...

  • Cool!

    I respect your opinion, as someone who has actually used it, way more than the experts who've never even seen one.

    Take care

  • Sorry to continue this, but I'm almost done.

    CDAF is definitely more accurate than PDAF. That's why PDAF mirrorless cameras use CDAF for the last bit of accuracy after the PDAF gets them close....

  • If you haven't use it, don't make assumptions.

    Single shot is as good or better than the competition. Video is very good with the 1.2 firmware. Continuous is inferior to PDAF, but not as bad as...

  • No, but I use a 1020 gram camera almost daily and it's easy.

  • In a few years phase detection will be obsolete.

    Panasonic may not have wanted to waste effort on a short-term solution and instead are sticking with what they know until TOF is ready for the...

  • I've never understood where this idea came from.

    It used to be true, but only because the older mirrorless cameras used small sensors (and a lot of them still do). But lens size is always going...

  • But then again, maybe portraits with only a thin slice of the model's face in focus will be the next big thing. We may be on the cusp of a new art form that will eclipse even "Lifestyle and People"...

  • I answered, "Yes, it is (right for me)."

    I tried one in the local camera store, right after they came out. Then I thought about it for a few days and ended up selling my entire A7RIII rig and...

  • I love the pronouncements of all the experts on Internet forums. They have read a review or watched a video review (for the ones who can't read that well–you can tell who they are when they attempt...

  • Interesting that the review mentions 5.5/6.0 (body/dual IS) stops of stabilization. But 1.2 increase it to 6.0/6.5 stops.

    I know it's hard to keep everything straight in a document this complex,...

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