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By eatstoomuchjam · Posted
Yes, this is how HSS works. I'm not sure why you're describing it to me. I already acknowledged that some people are opposed to it. I also have some not-especially-expensive Godox/Flashpoint strobes that I've used to HSS in direct sunlight before with relatively wide apertures. They're about the size of an extended soda can. It seems like you read about 30% of what I write and and then respond to that instead of reading and understanding fully. I will repeat for you that the 100MP sensor that is used in this camera and the GFX is simply incapable of reading out 100 megapixels 24 times per second. It doesn't matter of Hasselblad want to try cooling it for that or not. It's just not an option. Otherwise, arguments against rolling shutter or alternative sensor readouts are silly. Many vendors do it and many people use their cameras successfully without complaint. And Hasselblad haven't had a reputation for the highest image quality in a long time. That crown went to companies like Phase One years ago. Once again, try reading every word that I say before responding. I am aware that Hasselblad have a small number of lenses that are price-competitive with the Fujinons. My statement was "Do prepare to break out the wallet, though, since many of the lenses cost 20-50% more than the equivalent Fujinon lens" - that's because if I go to B&H right now and search for Hasselblad lenses, I find that many of them are in the $4,000-5,000 range. The most expensive Fujinons are in the $3,000-3,500 range. You can also adapt a bunch of less expensive lenses to Fuji thanks to the focal plane shutter, where the Hasselblad will require the use of the slowest possible rolling shutter for any lens without a leaf shutter.` Are you talking about the fact that some lenses change focus slightly when stopping down the aperture? Because that's easily solved by just focusing at the aperture you plan to use (I also do this with some Canon camera/lens combos because the plane of sharpest focus seems to shift a little bit when stopping down). Otherwise, that sounds like absolute nonsense. I've done a number of timelapses with my GFX 100 and 100 II and the focus stays right where it should. And when using autofocus with GF lenses, when the autofocus hits right (less than people accustomed to Canon or Sony would expect), it's ridiculously razor sharp. This all really sounds like the usual toxic internet crap where somehow one of the best camera systems in existence is deemed "insufficient" by some troll whose only exposure to the camera comes from YouTube. -
By Ilkka Nissila · Posted
Typical high-speed sync implementations either require the flash to fire a long pulse or a series of short pulses to match the timing of the moving gap of the focal-plane shutter. This results in flash energy loss due to most of the light being blocked by the shutter curtains at faster shutter speeds than the sync speed. When using a central shutter lens such as the Hasselblad XCD lenses, you don't lose light as you increase the shutter speed (to a point). So basically if you want to shoot at f/4 in bright sunlight, with a high-speed sync implementation, your flash needs to be several times more powerful than if using a central shutter lens. With the Hasselblad you can do this with a small flash instead of a powerful battery-powered flash which would be needed when balancing bright sunlight and flash at fast shutter speeds on a camera without either a global shutter or a central shutter. Each stop faster than sync speed loses one additional stop of light with the high-speed sync in a typical implementation. For the Fuji this would mean 1 stop loss at 1/250s, 2 stops at 1/500s, 3 stops at 1/1000s. So there is a huge difference in flash size that may be needed. Having to choose between strong rolling shutter distortion and line-skipped video (and cropping) is not really a pleasant compromise to make if your reputation is mainly based on producing images of the highest quality. I can understand that Hasselblad would simply not want to deal with the heat generated by resampling 100 MP images to (say) 8 MP (4K) since it's much more practical to make high-quality video using a camera with a smaller-format, lower-resolution sensor. The X2D II is particularly small and lightweight for a medium format camera and I can see them wanting to prioritize that over a heat-managed, larger, heavier camera that can shoot high-quality video. Hasselblad makes several reasonably affordable lenses for the X1D/X2D series of cameras. The 28/4 PP is 1899€, the 45/4 P is 1199€, and the 75/3.4 P is 2529€. Basically I would need the 28 and the 75. From what I can see there isn't much difference to Fuji lens prices. Considering what Jim Kasson revealed about Fuji GF series lenses not holding focus from shot to shot (even when set to manual focus) but instead there are slight shifts in focus that are enough to cause noticeable shot-to-shot variability in MTF in lens tests, it is difficult for me to see purchasing into their system. The slow flash sync speed just kills it for me. Another factor is that Hasselblad makes a digital back that can work with the XCD series of lenses and alternatively can be used on a view camera (with the sensor flush with the front of the back facilitating the use of movements). -
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That could be something a bit special for the hybrid shooter like me with a GFX100something on the left hip for stills and the Eterna on the right. But not next year for me...if ever, as I'm all in on what I have now...but maybe a couple of years down the road. It would depend for me just what it might bring to the table I didn't already have and as Hassie is the dream (for stills anyway), I will never again shoot on cross-platform brands other than for stuff like drone. Pretty sure that is the case and probably won't hurt their sales as most likely 99.9% who criticise the lack of video features would not buy the camera even if it did (have video capability). -
By eatstoomuchjam · Posted
The GFX 100 series cameras support HSS with compatible flashes which, to some extent, reduces the usefulness of a leaf shutter for flash sync. Plus I doubt that there's anything technically that would make it impossible for Fuji to release a leaf shutter lens for GFX and just disable the focal plane shutter when it's attached. But sure, if right at this minute, you are religiously opposed to HSS flash and want to do high speed flash photography, the Hasselblad isn't the craziest choice. Do prepare to break out the wallet, though, since many of the lenses cost 20-50% more than the equivalent Fujinon lens. As far as video from the 100MP sensor being an exercise in frustration, Fuji have been able to do it since 2019 when the GFX 100 was released. Strong rolling shutter? Yes (though the GFX 100 II allows trading some quality in 4k mode for greatly reduced RS). Powerful processor to downsample 100MP? Nope, reading out 100MP from that sensor 24 times per second isn't a thing. Fuji do some sort of line skipping or binning to get there. The quality's still enough that in just a couple of months, they'll be releasing a cinema camera built around the same sensor. But with a different sensor, there's already a camera on the market that can do nearly 100MP at 80fps from a full frame sensor with really acceptable RS - the Ursa Cine 12K LF. And there's one that can do approximately 140MP at 60fps from a medium format sensor - the Ursa Cine 17K. So even those data rates aren't insurmountable (though those are big bodies with fans). Anyway, there's no reason that Hassy can't include video in the X2D series - they just choose not to.
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