New APS-C Samsung NX1 shoots 4K UHD video - Page 3 - AVS Forum | Home Theater Discussions And Reviews
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post #61 of 191 Old 02-25-2015, 01:09 AM
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Quote:
Originally Posted by markr041 View Post
http://www.adorama.com/ISGNX1K.html?...rce=adl-umbase


Camera + the really good and fast 16-50mm lens, plus extra battery plus battery grip plus sd card (big deal) plus Videomic external mic, for the same price as others are selling the body + lens only. Free expedited shipping, and 4% rewards.

The extra battery and grip are part of the S lens kit. The only things extra you get from Adorama is the mic and SD card (B&H also bundle a mic IIRC).


The S lens kit also includes a battery charger btw.
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post #62 of 191 Old 02-25-2015, 01:11 AM
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I have an S-lens kit on order btw, so hopefully I will get it soon (supplies here in Canada are apparently limited).
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post #63 of 191 Old 06-17-2015, 10:37 AM - Thread Starter
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NX1 with PK-NX adapter and 15mm F2.8 Sigma

I did a quick test at minimum focus of 15CM or 5.9". I am using the trial version of Edit Ready that has a time limit of one minute.
click here for 3840x2160 screenshot





Update: Just tested my 300mm F4 Pentax M* lens .



Pentax 50mm F1.4 FA :




click here for 3840x2160 screenshot

Last edited by jogiba; 06-17-2015 at 04:03 PM.
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post #64 of 191 Old 06-21-2015, 11:54 AM - Thread Starter
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NX1 with 10-24mm Tamron



I only have a NX-PK adapter without aperture ring so I had to stick a small object to keep the aperture in the F5.6-F8 range . I will do more tests soon but I have to work the grill for our picnic.


Last edited by jogiba; 06-21-2015 at 12:00 PM.
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post #65 of 191 Old 06-21-2015, 05:43 PM
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Super sharp on all your tests Joe. Nice.
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post #66 of 191 Old 06-24-2015, 01:49 PM - Thread Starter
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Ken, the more I use the NX1 the more I see how much sharper it is over my GH4. I shot videos with the 16-50 kit lens of the kids playing in the pool yesterday in the hot weather and was amazed how sharp it is at both 16mm wide and 50mm.

I just did a quick test of my old 105mm F2.8 Kiron macro with PK-NX adapter at both 3ft and maximum close 1:1 macro . I used my big Bogen 475 tripod with 501 fluid head and had to push it on two legs to get it close for the 1:1 macro so there are shakes but you could see how sharp it is @ 1:1 macro.
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post #67 of 191 Old 06-24-2015, 08:30 PM - Thread Starter
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The Moon with the NX1


Cropped screenshot from video :

Last edited by jogiba; 06-24-2015 at 08:43 PM.
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post #68 of 191 Old 06-26-2015, 05:24 PM - Thread Starter
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Quick first test of the Rokinon 85mm F1.4 @ F1.4


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post #69 of 191 Old 06-26-2015, 07:50 PM - Thread Starter
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Cloudy Nights Moon

Just shot this tonight under cloudy skies.
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post #70 of 191 Old 06-28-2015, 12:07 PM
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Joe,

Nice job on the moon shots, my favorite is the first one that is cropped.
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post #71 of 191 Old 06-28-2015, 03:59 PM
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Quote:
Originally Posted by jogiba View Post
Ken, the more I use the NX1 the more I see how much sharper it is over my GH4. I shot videos with the 16-50 kit lens of the kids playing in the pool yesterday in the hot weather and was amazed how sharp it is at both 16mm wide and 50mm.
Yup, the NX1 really is sharper than the GH4. The oddest thing with my camera is that I can take razor sharp 4K videos, yet taking stills at a maximum focal length doesn't begin to have this kind of clarity. In fact the frame grabs are more impressive.

When I use the 16-50PZ lens at the 50mm focal length, I can't get a really sharp picture no matter what the lighting. Yet take a video of that same scene, and it's razor sharp. I'm not a big stills guy, but I'm totally perplexed at to what would cause that.

Have you noticed this at all?

BTW, great shots of the moon!!!
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post #72 of 191 Old 06-28-2015, 07:31 PM
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Quote:
Originally Posted by Ken Ross View Post
Yup, the NX1 really is sharper than the GH4. The oddest thing with my camera is that I can take razor sharp 4K videos, yet taking stills at a maximum focal length doesn't begin to have this kind of clarity. In fact the frame grabs are more impressive.

When I use the 16-50PZ lens at the 50mm focal length, I can't get a really sharp picture no matter what the lighting. Yet take a video of that same scene, and it's razor sharp. I'm not a big stills guy, but I'm totally perplexed at to what would cause that.

Have you noticed this at all?

BTW, great shots of the moon!!!

Ken, some have reported that the jpeg engine in the NX1 is not great. This is commonly tested by shooting raw, and "developing" the raw image in Lightroom after using the dng converter supplied free (along with Lightroom) by Samsung. That may be a lot of bother to satisfy your curiosity, but that is what the consensus is from stills folks who are picky.
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post #73 of 191 Old 06-29-2015, 04:22 AM - Thread Starter
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Originally Posted by Blasst View Post
Joe,

Nice job on the moon shots, my favorite is the first one that is cropped.
Thanks Blasst, I plan on testing my Celestron C9.25 scope with focal reducer on the moon with the NX1 that should match my GH4 in scale with the 920mm F9 scope since it will be 1480mm F6.3 compared to 920mm F9 .
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post #74 of 191 Old 06-29-2015, 04:47 AM - Thread Starter
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Quote:
Originally Posted by Ken Ross View Post
Yup, the NX1 really is sharper than the GH4. The oddest thing with my camera is that I can take razor sharp 4K videos, yet taking stills at a maximum focal length doesn't begin to have this kind of clarity. In fact the frame grabs are more impressive.

When I use the 16-50PZ lens at the 50mm focal length, I can't get a really sharp picture no matter what the lighting. Yet take a video of that same scene, and it's razor sharp. I'm not a big stills guy, but I'm totally perplexed at to what would cause that.

Have you noticed this at all?

BTW, great shots of the moon!!!
Ken, I agree, I like the screenshots at the 50mm end of the 16-50 PZ kit lens so much in 4K UHD I don't bother shooting stills that much anymore. I also like the extra bokeh you get at the 50mm (75mmFF eqiv) end with the NX1.

Screenshots @ 50mm from a NX1 4K UHD video :


Last edited by jogiba; 06-29-2015 at 04:59 AM.
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post #75 of 191 Old 06-29-2015, 07:28 PM - Thread Starter
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NX1 w/ Celestron C9.25 focal reducer 1480mm F6.3


3840x2160 screenshot

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post #76 of 191 Old 06-30-2015, 08:01 PM
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Quote:
Originally Posted by markr041 View Post
Ken, some have reported that the jpeg engine in the NX1 is not great. This is commonly tested by shooting raw, and "developing" the raw image in Lightroom after using the dng converter supplied free (along with Lightroom) by Samsung. That may be a lot of bother to satisfy your curiosity, but that is what the consensus is from stills folks who are picky.
Mark, I know you like me are not a 'stills guy', but at the 50mm length of the 16-50PZ lens, have you noticed this at all taking stills?

I asked my friend with the same camera & lens combo to send me a couple of stills at that focal length and his seemed better, but not terrific. WA stills look very sharp to me, but it's the 50mm length that goes south.
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post #77 of 191 Old 06-30-2015, 08:03 PM
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Joe, some really nice vibrant grabs there.
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post #78 of 191 Old 07-01-2015, 05:21 AM - Thread Starter
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Ken , I compared a screenshot from a 1 minute H.265 to H.264 clip that is only 197.6MB vs the same 1 minute clip converted to ProRes 422 HQ that is a huge 6.5GB and it has more detail but not enough considering the size difference IMHO. First is the H.264 then the ProRes 422 HQ.


3840x2160 screenshot





3840x2160 screenshot

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post #79 of 191 Old 07-01-2015, 05:58 AM
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I do not understand the point of comparing this Quicktime and ProRes conversions:
.
1. There are lots of flavors of H264 (lots of different parameters), and Quicktime is not one of the better H264's. I am not surprised that Quicktime is inferior.


2. It looks like your Quicktime (H264) bitrate is 27 Mbps. Given that the original camera bitrate (in H264 equivalents) is on the order of 150 Mbps, again it is not surprising the video looks worse when you have cut the bitrate to less than 20% of the original. Try XAVC S at 100Mbps. (Maybe I did the math wrong on your one minute clip at 200MBs.)


3. More importantly, ProRes is not a delivery codec; it is an intermediate codec. The final video is going to be H264 anyway. Who cares what it looks like. If you use it, it will have to be converted again, assuming you actually want to make real video to watch and share.
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post #80 of 191 Old 07-01-2015, 06:08 AM
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Quote:
Originally Posted by jogiba View Post
Ken , I compared a screenshot from a 1 minute H.265 to H.264 clip that is only 197.6MB vs the same 1 minute clip converted to ProRes 422 HQ that is a huge 6.5GB and it has more detail but not enough considering the size difference IMHO. First is the H.264 then the ProRes 422 HQ.
The only reason for converting the h.265 8 bit 4:2:0 to ProRes would be if you were going to apply a grade, in which case ProRes would be the obvious choice.
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post #81 of 191 Old 07-01-2015, 06:11 AM
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The only reason for converting the h.265 8 bit 4:2:0 to ProRes would be if you were going to apply a grade, in which case ProRes would be the obvious choice.

Absolutely. But comparing ProRes to a bit-starved Quicktime render is uninformative.
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post #82 of 191 Old 07-01-2015, 06:19 AM
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I convert to prores for grading but also since it flows much smoother through the NLE.
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post #83 of 191 Old 07-01-2015, 02:40 PM - Thread Starter
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Here is a new 596MB version I just uploaded of the same video that is above in low bit rate (187MB ).

3840x2160 screenshot
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post #84 of 191 Old 07-02-2015, 10:03 AM
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Originally Posted by Tom Roper View Post
The only reason for converting the h.265 8 bit 4:2:0 to ProRes would be if you were going to apply a grade, in which case ProRes would be the obvious choice.
I suppose for Windows - in particular, for Vegas - DNxHD would be another reasonable choice.
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post #85 of 191 Old 07-02-2015, 10:27 AM
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I suppose for Windows - in particular, for Vegas - DNxHD would be another reasonable choice.
DNxHD is a great choice for HD, but no UHD support afaik. AVI uncompressed YUV 4:2:2 10 bit is very excellent for 4k/UHD, and only slightly more bit hungry than equivalent ProRes codecs.

I like Vegas Pro by the way, long time user and very experienced with it. The last update for version 12 seems to have finally gotten stable with the GPU processing, CUDA. I may update to version 13. But for the really high quality grades and cameras, Alexa, F5/F55/F65/F7 BMD DaVinci Resolve is really the way to go and worth the effort to learn it. There is a trial version that is free, and does everything you need for UHD.

Vegas is super fast for cutting, titling, audio, editing and general color correction. Mainly the difference with Resolve is the support for 3D luts, cinema cameras and depth of color manipulations just has more purity, but Vegas does everything well, and with speed.
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post #86 of 191 Old 07-02-2015, 11:01 AM
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DNxHD is a great choice for HD, but no UHD support afaik.
Oops, haven't thought of that.
Quote:
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I like Vegas Pro by the way ... but for the really high quality grades and cameras ... BMD DaVinci Resolve is really the way to go.
I don't have a really high quality camera, nor do I produce high quality grades, so I guess I'll stick with Vegas for now ;-)
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Vegas is super fast for cutting, titling, audio, editing and general color correction.
This is what attracted me back in times of version 6, and what keeps me hooked.
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post #87 of 191 Old 07-03-2015, 02:19 PM - Thread Starter
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The Optek (Samyang) 6.5mm f3.5 fisheye is good for 180 deg FOV but it does not have close focus like my 15mm f2.8 Sigma full frame fisheye (5.9") since it's 12".


Still image from a bike ride video I shot handheld today with my NX1 and 6.5mm Opteka fisheye. The camera shake was too much handheld riding the bike with one hand with no IS . Back in 2009 I used the same lens on my Pentax K-7 with IBIS and it was much more steady.



vs with 16-50mm kit lens @16mm :

Last edited by jogiba; 07-03-2015 at 03:11 PM.
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post #88 of 191 Old 07-13-2015, 05:28 PM - Thread Starter
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Screenshot from NX1 4K UHD video with 16-50 @ 50mm :
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post #89 of 191 Old 07-26-2015, 04:38 AM - Thread Starter
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Some short clips from the NJ Festival of Ballooning


The festival is the largest summertime hot air balloon and music festival in North America.
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post #90 of 191 Old 07-26-2015, 01:37 PM - Thread Starter
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Last edited by jogiba; 07-26-2015 at 01:45 PM.
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