Thread: Canon R5 Announced with 8k
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10-09-2020 08:50 PM
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10-10-2020 01:37 AM
The RF mount 85mm f/1.2 is considerably faster in terms of autofocus speed than the EF 85mm f/1.2 version. There's a brief comparison in this video: https://youtu.be/Qdt7uAyGCJw?t=324
Among Canon's newer lenses, the ones that seem to autofocus fastest and have the smoothest transitions for video are the ones that use Canon's Nano USM autofocus motors: https://www.usa.canon.com/internet/p...tor-Technology
The RF 24-70mm f/2.8, 70-200 f/2.8, and 24-105 f/4 all use Nano USM motors.
I think that given the small size of these motors, however, they may not be powerful enough to move the larger glass elements in some of the large aperture lenses. So these lenses tend to use larger ring-type USM motors instead, which are a bit slower to autofocus. Ring type USM autofocus motors are used in the RF 50mm f/1.2 and 85mm f/1.2 primes and the RF 28-70mm f/2.0 zoom.
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10-13-2020 12:46 AM
People are doing mods to improve the 8K recording time of the R5. Not for the faint hearted as that will invalidate your warranty https://petapixel.com/2020/10/12/thi...-8k-recording/
Sabyasachi Patra / Wild Tiger Productions
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10-13-2020 02:02 AM
This is interesting, but the unlimited record times were done at cooler than normal (15C / 59F) ambient temperatures, and it seems like you still need an external fan pointed at the camera to enable extended 8K recording times in more typical ambient room temperatures of 25C (77F).
So it's not clear that this is much of an improvement over earlier tests of the updated R5 firmware with an external fan (and without any internal camera mods) that allowed for 8K recording up to 90 minutes or more at room temperature: https://www.jodumedia.com/blog/eos-r...-a-video-beast
And it seems like the internal mods would end up sending more heat through the power board on the camera, which may or may not be ideal and could in theory shorten the lifespan of that component (power related components are already among the least reliable parts of a lot of electronic devices). So I'm not whether this is worth the risk for a relatively modest improvement in recording time.
If anything, this kind of reinforces the notion that truly unlimited 8K recording in any environment would require a complete thermal redesign of the camera internals, with the addition of active cooling, or a sizeable heat sink, or perhaps both.
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10-13-2020 10:06 AM
Curious if anyone is even interested in having an autofocus till shift lens. I use my tilt shift for table top and architecture photography which both are really shot at high depth of fields. pretty much always doing manual focus and after she didn't video for those subjects the camera movements are generally on the slower end or motion control.
That said I'm very interested to see how the technology works in it as it's cool for sure I just don't see it being worth the extra cost for me personally
That said you till shift lenses is intriguing for sure as I'm hoping it's some nice new sharper glass. kind of makes me debate on if I want to stay with Sony as I'm really loving the RF glass. It costs the switch brands that I just seems that way the benefits from a business perspective for me.Florida Based Photographer & Cinematographer
http://www.austinburke.photography/
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10-13-2020 10:25 AM
My feeling is that Canon has fundamentally better products and a brighter future than Sony......I say right after buying a Samyang 85 FE on Amazon
Maybe Sony will catch up. Maybe the difference doesn't matter. I leave open the possibility to return to canon. Maybe a used C300mk3 one day and a fully functional R5mk2
I see a lot of wedding photographers use tilt-shifts to isolate the couple in a group by blurring everything but the center. AF would be great for them. Mostly I think it's just a cool development
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10-13-2020 10:57 AM
The FS7 and A7SIII will probably be good enough for my needs for years. If I need something more or something specific for a shoot, I can rent it. If I have an important client who 2wants a specific camera, I can buy it. The form factor, battery life, lens selection, functionality, codecs, frame rates, resolutions, sensitivity, dynamic range etc on every 10-bit 4k60p (no-crop) canon and sony camera out there right now is so good that further marginal increases may go to waste for most of what I shoot. It'd be nice if the FS7 had hybrid AF but oh well, I've gotten by without it this far and the A7SIII is my gimbal camera anyway
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10-14-2020 09:49 AM
Nikon Z 7II has 4K/60p.
Everyone, please...round of applause.
Welcome to the club, Nikon.
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10-15-2020 10:17 AM
I guess this is relevant here too.
12K URSA Mini Pro VS 8K Canon R5 VS 6K C500 MKII:
https://www.youtube.com/watch?v=3JGvfbJXZkk
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