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Hitachi FP-Z31A Computacam: Indoor Tests 

Ben Helweg
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This fascinating camera has captured my interest lately.
I'm genuinely suprised at it's quality and detail in low light.
It appears to have some edge illumination or some issue there, but apart from that it performs well. No apparent capacitor leakage inside. Yet.
I recommend watching in 720p to see the full extent of noise etc, although RU-vid's compression does a good job of ruining most detail.
The Z31 is 3-saticon 2/3" tube based broadcast quality camera from 1986 with features that were praised at the time such as auto centering, white/black and character generation.
The lens used in this video was a crappy Tamron B4 lens taken off my semi-functioning Sony DXC-M3.
I plan to make use of this for future videos because of it's strange image quality that we don't see used much these days.
When I finally get a SCART-HDMI converter in the mail that isn't faulty, I plan on tapping the camera's RGB out from the ROU connector and recording it via SCART/HDMI to an Atomos recorder.
There's hardly any content around based on these beautiful tube cameras, so I'm hoping to change that.
I like the comet tails.

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19 июн 2016

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Комментарии : 17   
@JDPMediastream
@JDPMediastream 5 лет назад
Amazingly great quality considering the age of this camera. In the day - this was THE camera to shoot on - a breakthrough in technology. I knew it well. It was amazing, and helped me build my portfolio. Fun to look back! Thanks for sharing this.
@BenHelweg
@BenHelweg 5 лет назад
Thanks for sharing your story!
@AM-tb6ju
@AM-tb6ju 6 лет назад
This camera must have been repaired.The colors are very natural, nice to look at.
@BenHelweg
@BenHelweg 6 лет назад
Thankyou. I did a few calibrations at the time and I think it was taken care of in its lifetime.
@Asiertxu1974
@Asiertxu1974 5 лет назад
It look AMAZING!! I like the look of the picture that this camera is capable of to deliver very much. :-) Wish I coulf find one of this cameras at a reasonable prize tough! Thanks to share. Cheers. Asier.
@williamschmidt-hansen6311
@williamschmidt-hansen6311 6 лет назад
That is really very good. There are so many other tube-camera videos on youtube, but this beats them all, I think. Aside from the comet trails, I almost think this looks like a recording from a modern digital camera, though slightly downscaled. Interesting to watch!
@BenHelweg
@BenHelweg 6 лет назад
William Schmidt-Hansen Thanks William. I look forward to shooting some more stuff with the camera. I would like to get my hands on an OSSC scan converter for more tests.
@MissingInActionFilms
@MissingInActionFilms 7 лет назад
Great footage! I think you got a camera with really healthy tubes, and if you take good care of them, they'll last a while! The footage kinda reminds of the quality I can get out of my Ikegami ITC-730A, which has 3x Saticon II pickup tubes, though the comet tails on mine are a lighter shade of purple, and white, and they have more persistence in the shot.
@BenHelweg
@BenHelweg 7 лет назад
Thanks for watching! I'm hoping I don't do any damage with the shooting I'm hoping to do! Might have some new footage soon with my RGB adapter recorded into blackmagic video assist.
@MissingInActionFilms
@MissingInActionFilms 7 лет назад
Depends on what you're planning to shoot :P As long as you don't aim these cameras at the sun, or keep bright lights turned on them for extended periods of time you should be a-okay. Saticons have a slightly higher burn-in risk compared to lead-oxide based Plumbicons, but they're very strong tubes, with a long operational life. I've had a few close-calls with my ITC-730A, and its held together okay.
@Asiertxu1974
@Asiertxu1974 5 лет назад
Se ve INCREÍBLE !! Me gusta el aspecto de la imagen que esta cámara es capaz de ofrecer mucho. :-) ¡Ojalá pudiera encontrar una de estas cámaras a un precio razonable! Gracias a compartir Aclamaciones. Asier
@complementarypair5582
@complementarypair5582 5 лет назад
You've got yourself a good example of that model. Very little comet tailing, obviously in good condition.
@Asiertxu1974
@Asiertxu1974 5 лет назад
Hi again Ben! I just got a Hitachi FP-C2, PAL version from ebay. It reminds me alot to that Z31you have but this one is a CCD based camera but not a tube one sadly.;-) I just tested it and looks AMAZING!! =) It looks like it is in very good shape!. I must to record somethig with it an share it here! Best regards, Asier
@BenHelweg
@BenHelweg 5 лет назад
Hi Asier, cool! I dare say the C2 may even be older than the Z31 although I can't be sure of that. I get the feeling that the Z31 was a prosumer/budget model whereas something like the C2 was higher tier news gathering. I'm glad to hear it's working well and would love to see some footage from it. Keep a look out for bad pixels but I suspect you'll be alright. Easy enough to compensate for it if there is. Perhaps you can comment here if you do get some uploaded and I'll check it out!
@RoloffDeleto
@RoloffDeleto 7 лет назад
Did you re-set / calibrate the backfocus? I was also told back in the days that you could ruin or burn in/out the tubes if you'd shine a too bright source down the lens for too much time..
@BenHelweg
@BenHelweg 7 лет назад
Should have been set correctly in this video with that star chart. However it could do to have focus set at the tube side and a proper alignment. You generally want to avoid bright sources, but the Saticons were apparently less prone to damage and much quicker to recover. You wouldn't want to leave something stationary and bright going down the lens for a long time though, especially the sun. I've treated this one to some bright lights and abuse but there aren't any visible lasting effects.
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