zlfan
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Everything posted by zlfan
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sorry it is l39 to eos m adapter. l39 to m43 adapter should be available too. I use a voiglander 25mm f4 m mount more than 10 years on em5. the adapter has no issue. the lens is very sharp.
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those l39 lenses are small and affordable. currently I couple a Leica l39 50mm f3.5 retractable with eon m crop mood ml. very nice iq. not much larger than go pro 12. I normally don't use nd filters, I just change shutter speed, aperture, and iso. no big deal. if really want to go strict, then get a small rig mini Matt box. I want to keep everything small. I just use a generic l39 to m43 dumb adapter bought from eBay. no issue. seem focus to the infinity. I check focus using 10x on eon m, very convenient.
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I think for the next 10 years, my cameras for manual focus lenses will be om-1 and om-5/mkii. I will use om-1 with a battery grip to balance 43 shg and hg zooms, 135 ff and medium format big mf prime and zoom lenses. I will use om-5/ii with m43 primes or Leica m l39 primes, 135 ff small primes. not as good as ff as there is a cropping factor of 2, but is more robust and proven in terms of ibis.
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I think if for ibis, currently, om1/ii is the best choice, em1 iii/x is the second choice, gh7 with dual is is the the third choice. ff ibis may take another 5-10 years to mature.
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si/sir/sih ibis seems not as good as s5 iix, significant less stable than gh7, om-1/ii.
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very nice short sci-fi.
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i still think a good ibis is a must if going small. the reason i like olympus is because the whole system can be very small, due to the fact that the body, the lens are small, and there is no need for tripod, monopod, or steadicam, etc. on the other hand, even om-1's ibis seems not smooth enough for walking? even so, as long as i can hold om-1 to have steady shots, smooth pans and tilts, i am happy. this is very good for travel, or stealthy news or events.
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how can you stabilize bmpcc 6k ff?
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I guess that maybe next year bm will come up with 8k bmpcc ff or even 12k bmpcc ff, that is why 6k bmpcc ff is half the price. bm 8k bmpcc ff makes sense, as it will cut the margin of red v-raptor hard. interesting to see 8k bmpcc ff vs r5 ii/r5c ii.
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bm is today's red 2008.
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this is the most difficult scene, because dr is so drastic. yet gh7 is ok, not as good as Alexa but not bad neither. in real world project, it is easy to adjust the light intensity and direction and distance to reduce the dr. gh7 in real world shooting in one of the previous pool scenes is very close to Alexa.
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I already have different kinds of video cams. 4k or oversampled 1080p are enough for me. 11 stop dr is fine for me too. I need latest cams mostly for the ibis. I have go pro 12 as a pocket cam, I will buy an om-1 during the Christmas season. I have not decided a full frame one yet.
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z6 iii's achilles' heel is ibis. otherwise, I probably will pull the trigger, as it has 6k raw 6p, 20 fps for 1000 frames, z-mount shortest flange distance. af seems good.
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right now there are not many good video cams for c mount lenses, gopro12 c mount cam is one of them. not a single good cam is for d mount lenses. this is very promising.
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444 vs 420, mostly is for post grading. I see clearly that 10 bit has more room than 8 bit, 444 more flexible than 420. my impression is that 8 bit 420 can easily generate color artifacts if I use color boost in resolve, whereas 10 bit 422 is much easier to apply color boost but there is still color spilling, whereas raw (basically 444) has no such issues at all.
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this is about 40 MB/s. about the same as redcode 42. compression ratio is about 8. workable but not the best quality.
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I cannot vote this, because I think both have their applications. for example, at the beginning of the story, typically there are some shots on whole view of the scene, I think it is better to be sharp. but for close up shots of actresses, dreamy look is much more forgiving and pleasant. ideally, the former ones will use red helium 8k with Zeiss master prime, the latter ones use Alexa with cooke or Leica c lenses.
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lens plays a critical role in the sharpness of the final image. I just checked my previous footage using em5 and shg 7-14. it looks punchy and colorful. I edited it in the lightsight free version, so the output is just 720p, but looks sharper than my c300 og 1080p c log footage. shg 7-14 plays a critical role here. em5's video modes are not good at all according to current criteria. definitely not as high res as c300 og. interesting findings. never thought about this.
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this is about people, probably cooke or Leica lenses are more suitable.
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interesting comparison. in the first scene, somehow the pocket 3 seems much brighter than ace pro. I guess that the lenses are different. ace pro uses wider lens, pocket 3 uses relative normal lens. in general, pocket 3 has at least comparable low light performance as ace pro. if look more carefully, the street lamps taken by pocket 3 have less blur or more defined than the ones taken by ace pro. i guess that pocket 3's lens may be higher quality than the ace pro. but it is hard to say, as wider lenses generally are more difficult to make and less perfect. or maybe the lens coating is different somehow.
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This place probably is at the east coast of USA, may be Yale. The low light performance seems not as good as the action pro 8k somehow, may be a little bit better than go pro 12, not much. you are right, the lowest shutter setting of 24p with 1/24 sec shutter speed has one stop better light advantage over 60p 1/60 sec. The stabilization is pretty good, at least as good as go pro 12, may be a little better. The walking is almost steadicam or gimbal like.
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are you a man band? if so, how can you manage several camera setups at the same time? I have several cameras I want to bring to some events. just feel not safe as I am totally focused when shooting. if someone else steal my rigs, I may not know.
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how about s9's ibis? as good as s5 ii?
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interesting to know. c mount lenses are affordable and diverse. this really helps GoPro. Thanks for the info.
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seems to me that s9 is an experimental product, will take at least another two versions to be mature enough.