Jvc ls300

For the record i've owned the ls300 since April...and have the recent firmware up date--which improves (but does not perfect) canon lens compatibility. I have to say the image on the camera is terrific, but it took some experimentation to get it right. The camera does not help, since the EVF and LCD are both--frankly, terrible. A few days ago the diopter adjustment just froze on the EVF so now it's unusable. I noted it was junky and cheap at the beginning, but I did not expect it would simply break after only four uses.
What JVC has done is make a great camera with a great image, and then put the same cheapo EVF and LCD on it they use for the lower models of the 4k series that cost half as much.
To compound that there is no internal OIS, no waveform, no histogram. The LCD and EVF are so bad they make it impossible to judge image quality. And the terrible lack of means for judging exposure is probably a large part of the problems of the video footage you've seen.
Also, the canon lens compatibility is a nightmare---and even some Panasonic lenses don't work. For instance, I recently purchased at 25mm 1.4 Panasonic, got home, put it on the LS and, voila, no electronics! I had to return it.
The recent firmware upgrade did help with les compatibility, but--as an example, after performing the upgrade I put the EF mount Sigma 1.7 zoom lens on and all the electronics worked---in HD. But as soon as I switched to 4k no electronics.
In contrast, I use the same lens with full electronics in every image setting on my GH4.
Apparently, JVC engineers need to review their school lessons in electronics. That Sigma lens in EF is a "go to" lens--first rate, with a constant aperture zoom that is super useful in lots of instances--and it's for a crop sensor and uses almost all of the LS 35mm sensor. There's no excuse for not considering it when making sure the electronics are compatible. Panasonic does it. Is it too much to ask JVC to get it right?
I haven't tried the Canons yet in 4k that now work in HD, but were, prior to the firmware upgrade, totally incompatible. I would hope they would work in 4k, but with the screwed up lens electronics of this camera I am ready to believe anything. Don't they test this stuff at JVC before they disseminate it--or do they just love wasting our time?
All that said, I finally purchased a lillyput monitor and image quality and exposure improved considerably. Then, I broke down and purchased a Shogun, and the 10 bit recording from it off the ls300 sensor knocked me out! Colors are beautiful, and DR is great.
I only use this camera to record my educational videos for youtube--I run my own business, so these problems I outline don't really affect me all that much--the camera is very usable, with a better image than the GH4 or my previous FS100. I think the 1080p image of the LS is as good as the FS, but different.
The controls and menus of the LS are great--simple but complete is the most critical ways.
Regarding my defective diopter adjustment; calling the factory--and it took me several days to get the information I needed--I find to get the diopter fixed I must send the camera to California, and repair will take 4 to 6 weeks---4 to 6 weeks to repair what should have been made correctly in the first place. I never had this happen on the Sonys I've used for years.
When I complained to the service rep this should have been made correctly to begin with he said, "Yes, sir. I agree."
Look, there are many wonderful things about this camera--but many things that frustrate the Hell out of you--things a more thoughtful roll out by JVC could easily and inexpensively taken care of. Four thousand bucks for a great 4k camera is a terrific thing, but not when it breaks with only 5 months use on an item that was only used and used correctly four times, and not when you have to purchase a couple thousand more to get the analytical tools JVC could easily have provided. I mean, the cheapest consumer cameras often have better LCDs, and histogram, and in camera stabilization. These are not the tools of amateurs--they are valuable additions that make it easier for ANYONE to get good and predictable results. How can a company be so thoughtless?
So, am I being unfair?
 
Here's a downloadable example of LS-300 superwhite highlight handling under stage lighting, using a knee set at 100% and highlights ranging up to 108%. To recover the superwhite highlights, I used ProcAmp in Adobe Premiere Pro to reduce the master gain down to 90%. No other corrections used.

Unedited with superwhite highlights:

Edited to recover highlights:
 
TBH, JVC has always had a reputation for making junk quality - the tech is often cutting edge or early adopter, and forward looking, but the manufacturing and QC and implementation are just the worst. I find it odd that after all this time, they still have not identified and corrected their problems. Maybe they've decided they're going to be the cheapo alternative to Sony and Canon and so have no desire to compete on quality? Too bad, because they often adopt technology early and have some innovative configurations, but it all goes to heck once they actually make the cams.
 
Also, the canon lens compatibility is a nightmare---and even some Panasonic lenses don't work. For instance, I recently purchased at 25mm 1.4 Panasonic, got home, put it on the LS and, voila, no electronics! I had to return it.
The recent firmware upgrade did help with les compatibility, but--as an example, after performing the upgrade I put the EF mount Sigma 1.7 zoom lens on and all the electronics worked---in HD. But as soon as I switched to 4k no electronics.
In contrast, I use the same lens with full electronics in every image setting on my GH4.
Apparently, JVC engineers need to review their school lessons in electronics. That Sigma lens in EF is a "go to" lens--first rate, with a constant aperture zoom that is super useful in lots of instances--and it's for a crop sensor and uses almost all of the LS 35mm sensor. There's no excuse for not considering it when making sure the electronics are compatible. Panasonic does it. Is it too much to ask JVC to get it right?

So, am I being unfair?
With regard to electronic lens compatibility, yes, I think you're unfairly scapegoating JVC for Panasonic's refusal to provide full technical documentation of their MFT lens control protocols. I see no valid justification for this policy, as Panasonic markets their MFT mount as an "open" system, explicitly developed with the promise of interoperability among licensed MFT equipment manufacturers. Panasonic's secrecy forces both JVC and Sigma to reverse engineer (i.e. hack) the protocols used by the camera to communicate with both Panasonic and third-party lenses. In the case of Sigma's Canon EF-mount lenses, you're expecting JVC to not only replicate all details of Panasonic's proprietary camera protocols, but to test and verify compatibility with both Metabones' and Sigma's reverse-engineered implementations of Canon's lens control protocols as well.

For a relevant comparison, take a look at Panasonic's lens compatibility chart for the AF100. They didn't even bother to test most of their own Lumix lenses for use with the AF100, and have provided no firmware upgrades for lens compatibility in the years since the camera was first launched.

http://pro-av.panasonic.net/en/sales_o/02products/products/ag-af100a/lens_compatibility.html
 
Last edited:
And the terrible lack of means for judging exposure is probably a large part of the problems of the video footage you've seen... All that said, I finally purchased a lillyput monitor and image quality and exposure improved considerably. Then, I broke down and purchased a Shogun, and the 10 bit recording from it off the ls300 sensor knocked me out! Colors are beautiful, and DR is great.

That's exactly what I've tried to say for weeks: the cam has a good DR and is much better than AF100 in higlight handling, but the lack of means for judging exposure in camera produces often clips not correctly exposed. This is the real problem. I've exactly the same experience: if I use my lilliput monitor with false color or a light meter it's completely another game. The waveform is the only feature of my AF101 that I really miss.
For the digital lenses I have not a big experience: the most of my lenses are mechanic and normally I use mainly cine lenses

Regards

Gary
 
Thanks for posting brudney. Yes, if JVC had shown this level of footage from the get-go people would not have been so negative about the camera. Good to see better looks can come from the camera but the poor visual feedback (LCD and EVF) can not be excused. No way I would buy a camera in 2015 where I could not trust and enjoy the viewfinder. Sorry JVC but that is just a no go for me.
 
The clips inbetween the review are by far the best I've seen from this camera.
He used Shogun so he had the opportunity to make an accurate exposure and this confirms that the problems that people has seen in other clips were exposure problem.
Regards
gary
 
Good to see better looks can come from the camera but the poor visual feedback (LCD and EVF) can not be excused.
To be precise, the poor visual is for the EVF and not for LCD and it is very similar to the visual of the first Canon C100 serie. Anyway, despite this, you can achieve a perfect focus in 4k using only the EVF, because the focus assist is gorgeous. I've shooted with all the cam in the 2-10.000 USD range and the focus assist of this camera is surely the best (in the linked video it is shown). I repeat, in my opinion the real issue of this camera is the lack of serious means for judging the exposure in camera. Perhaps, after using it for months something can change, but for the moment I've a light meter in my bag

Regards

Gary
 
...in my opinion the real issue of this camera is the lack of serious means for judging the exposure in camera. Perhaps, after using it for months something can change, but for the moment I've a light meter in my bag
What I do is set the highlight knee to 100% and the zebra to the 100-108% range. That enables me to set exposure strictly by zebra, i.e. ETTR. I then adjust shadow and midrange exposure with the LS300's gamma and stretch controls, using the LCD to gauge the overall balance. That produces results consistent enough to grade in post, without requiring extensive work.
 
What I do is set the highlight knee to 100% and the zebra to the 100-108% range. That enables me to set exposure strictly by zebra, i.e. ETTR. I then adjust shadow and midrange exposure with the LS300's gamma and stretch controls, using the LCD to gauge the overall balance. That produces results consistent enough to grade in post, without requiring extensive work.

I'll try your suggestions. I'll let you know

Gary
 
"The upgrade adds a JVC Log mode that practically duplicates the look of film, plus new Cinema 4K and Cinema 2K recording modes, a unique Prime Zoom feature that uses the camera’s innovative technology to allow zoom capabilities when using prime lenses, and a histogram. Free for all current owners, the upgrade will be available in September 2015."


Great news, appreciate the advance notice. Panasonic, please take note, this is how you earn customer loyalty.
 
Great news, appreciate the advance notice. Panasonic, please take note, this is how you earn customer loyalty.
[/FONT]

Now if either JVC and/or Olympus could hurry to manufacture good & powerfull zoom lenses for affordable prices, that would be a huge step up with customers (professionals and prosumers) and marketing for this new baby.
 
Back
Top