Sony a7 IV Hack?! - Full Frame 4K60 (No Crop) Workaround Tested

Testing the Sony a7 IV workaround for getting an uncropped 4K60 image when recording externally by upscaling 1080p. Does it really work?

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#sonya74 #4k60 #fullframe

[chphotovideo]

You fancy YouTubers and same day turnarounds ;) Took your advice and was working on a closer inspection of 4k or if it was an upscaled 1080? Great video from you guys! Loved it. Much respect. Thanks Gerald. Chris Helton CHphotovideo

[iPhonedo]

I'm changing my channel name to "Inspector Gadget"

[erhangucel]

I love seeing you both in the same video, because your enthusiasm on camera tech can be seen clearly on your faces.

[AmritaBhortake]

This is great! My A7IV got delivered today so I was really excited when I saw the title. Thanks, Gerald and CHphotovideo for testing such things. Great video

[tytechguy]

Dude, I don't usually comment on yt vids. But I felt I needed to say how I feel. You have to be one of, if not the best for reviews on camera gear. You go so indepth and give such detail it blows my mind. If I ever want to know about something I hit your channel first. You're damn good at what you do man. You've came a long way and I've been here for most of the ride. Just wanted to drop a comment and tell you how great your vids are man. Keep up the great work. I'll be a sub as long as you keep making vids. #longlivegeraldundone

[TheTurbulator_]

Great video Gerald. Glad iphonedo was able to help. Turned out great.

[cbflazaro]

the sensor cant read 4k60p full frame, the end.
its not software crippling, the sensor simply cant read the whole sensor 60 times a second.

[AmadeuszAndrzejewski]

The A7 IV sensor is too slow to do 50/60 fps, the readout time was around 24 ms when I measured it. This still means the crop could be reduced to around 1.2-1.25x in 50p and 1.25-1.3x in 60p but that's up to Sony engineers to maybe do it as a firmware update

[WilliamFaucher]

Was a bit surprised when I saw this video title, but completely unsurprised by the result/conclusion. Thanks for keeping us in the loop!

[kasekuchenmitsahne]

This video is the perfect balance of entertainment and information

[VideoTechExplained]

Always appreciate informative videos like these! Based on how severe the rolling shutter is on the A7IV, I had my doubts that the 4K60 crop was some sort of snake oil artificial limitation. However, it's nice to see these sorts of ideas being investigated even if the outcome isn't all that unexpected!

[thisiserich]

You should try out 1080p in aps-c mode with clear image zoom on. It does give a 2x crop but the 1080 that comes out of it has no discernible difference between 4k. It’s crazy. I feel like the A7IV has so many secrets that have yet to be revealed haha.

[MelonTL_YH]

A7IV boys felt vindicated for not going a7s3 and then let down all in one full swoop lol.

[esongun]

I don't have the camera and I'm not interested in the topic, but it was so much fun to see you two in the same video (again). Cheers guys! :)

[TerryWarfield]

Saw this being talked about on Facebook today and thought, “let me beat Gerald to the punch making the video” and, well, here I am, you beat me to the punch 😂😂

[TheAaronalden]

Thanks for doing this test! I have an A7IV, and I'm to lazy to test this... you don't have one, and still figured out a way to test it! And iPhonedo is awesome, so thanks to him too!

[marksummers]

This proves how minute the actual differences are when you get to that level of clarity. We still don’t have any largely available 8K TV’s available so much if this is kinda pointless. I understand that many are recording now, for the future technology.

[caffeinecreature]

It's always awesome to see these collabs! Kudos to you both for getting to the bottom of this

[clifftotten]

It's just a 1080 binned sensor read. The Image processor is only getting 1080 raw read from the sensor A/D converters. This is an "on-sensor" photosite bin. So there is nothing that the image processor can do about it.

[BrendanEvan]

Both of you guys are hugely underrated