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Forums Panasonic Cameras HPX250 Backfocus Issue?

  • HPX250 Backfocus Issue?

     Pedro Correa updated 1 year, 6 months ago 15 Members · 23 Posts
  • Mike Hinchey

    November 23, 2011 at 1:45 am


    Thanks for the detailed response, very kind of you. I hope Panasonic gets back to you quickly. Be looking forward to your post.


  • Matthew Gordon

    November 23, 2011 at 3:38 am


    Thanks so much for your response. Very helpful. Assuming the focus issues get figured out, the HPX250 sounds like a great camera. Best of luck with your doc!


  • James Sapione

    November 28, 2011 at 12:50 am

    Any word yet on the focus? I’m stuck between buying the HPX250 or a EX1r. I love the peaking on the EX1’s…. are you telling me there is no peaking on LCD screen of the 250? That’s a real issue for me. I wonder if Panasonic will release a HVX250B?

    The only thing keeping my hopes up on the Panasonic is the 22x lens and the price. Would love to buy before the year is over….

    Hi Steve, what’s the deal with the HVX250 focusing?

  • Guido Rehme

    December 2, 2011 at 11:38 pm


    i have the same prob with my AC160 and was not surprised about that!
    I hope they put an switch in the new Firmware, for set the macro function to off?!

    I was real nervous while waiting to hear what Steve can tell us and whats the dealer says.


  • Greg Fulcher

    January 10, 2012 at 4:05 pm

    Hey there, All… Last week I encountered this exact “problem” with my Panasonic AG-AC160. The camera has been performing flawlessly for several months, has never been dropped or taken a hit of any kind. Last night, I decided to investigate further the focus issue at near-full zoom, replicating the basic scenario from my shoot last week (I’m under NDA so I can’t share with you the ‘real’ footage).

    I’ve posted it to the AG-AC130/160 group on Vimeo, so you can see the issue in action.

    Camera settings are described in the video description.

    After reading this thread, the explanation of the lens transition from macro mode makes sense, but I’m not convinced this isn’t a problem yet.
    Thanks much! Shoot on!


    1013media | produce. edit. enable.
    San Francisco, CA |

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  • jean gerard

    January 18, 2012 at 5:35 am

    I own one HPX250 and must say I’m not impressed at all, even thinking of selling it back.

    This camera is great on the paper, zoom range and codec are perfect,
    But the software inside make me sick and too complicated to use.

    Yes Peaking on the side LCD can be adjusted under EVF menu (why EVF if it’s the LCD?) And no way to easy turn on off, each time, go to the menu and change it inside.

    Same thing with the fact that the Aperture go back to auto each time you turn on off the camera?!

    And no way to check on screen if you are in auto or not?!, you need to check by yourself. by pressing auto, and bing, you lose the manual record you got before…

    If you need to buy new camera now, maybe you should wait for Panasonic to release a lot of bugs here or go for something else..

    Overall, also, camera in auto aperture jump suddenly and tend to over expose your footage..

    Last details, battery are nothing compare to Sony, One hour max and you are gone… no improvement from the HVX200..

  • Andrew Johnstone

    February 8, 2012 at 9:16 pm

    It is very difficult to make a decision about which kit to invest in, as it seems that everyone has a good reason for their own choices.

    My criteria is to be BBC compliant, so this then rules out the Sony EX1 (which requires the nanoflash plugin. Yes there is lots of material screened on the BBC that has been BBC seem to be investing heavily in Canon XF305 for all their ‘in house’ projects, which makes this a top pick. But having played with one, I was very unimpressed with the focusing mechanics – similar to what I recall the lenses were like on the Canon Xl1 I used 10+ years ago – and was unimpressed with. from what I have read, the Panasonic lens function is mechanical, as it should be for accurate manual frame size adjustment, focusing etc.

    But Canon’s Codec is not as heavy as the Panasonic P2 AVCIntra (1GB/min at AVCIntra-100) and the LCD screen is massive.

    This focus issue (noted above in this thread) on the Panny is an issue if you’re a heavy zoomer and the battery life, menu and LCD also seem to be issues. P2 cards are also hideously expensive.

    On the plus side the Panasonic is supposed to be great to handle and the images look great. The material I have seen from the Canon looks much thinner, with less colour depth and I have noticed this on a few clips viewed on the net. The Panasonic is also about £1800 cheaper (enough to pay for an extra P2 card and a battery or two).




    But again a lot of this misses, the point, what we really should be doing is making films. Either camera will do for that!

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  • Javier Cano

    April 9, 2012 at 10:23 am

    Hi everyone!

    I was doing some tests to the camera (thanks to Miguel GM) and I had the chance to clarify some doubts:
    – It is possible to view peaking (only white) in the LCD but it is not possible to assign a user button to activate/deactivate it.
    – It is NOT possible to expand focus while recording. This really sounds to me as a bug, you can not lose a feature from a previous model: HPX171 can do it.
    – The autofocus feature is slow, it loses the focus initially (just pushed).
    – The LCD has the information about if you’re using manual or auto iris. When you turn off the camera and turn it on again, it keeps on the previous state (manual or auto).


  • Phil Yunker

    May 13, 2012 at 11:42 pm

    I’m having the same focus issue with the HPX250 and I’m not happy about this at all. I can not go out of focus on a image while zooming out (not that I like zooms, but some times you have to use it) this is not acceptable at all. Is Panasonic going to fix this, replace the camera, refund the camera?

    Panasonic please help. thanks.

    [Steve Cooperman] “This is not a defect. The lens can zoom all the way in (616mm) as close as 3 feet without a close up filter. In this position, the optics are in a macro focus mode. In this situation, the lens cannot hold focus for a few mm’s when zooming out. When the lens is zoomed all the way in (616mm) at 6 feet, the lens can hold focus when zooming out to full wide (28mm). In this position, the optics are not in a macro mode.

    The point is, this is not a back focus problem. This is the unique ability of having a 22x wide lens on this great new camera.

    Oh, and thanks for your positive comments on the camera. Our engineering team listened to many requests and implemented them on this model. And the 10-bit, full-resolution AVC-Intra 100 video quality and 22x wide zoom lens are amazing for a one-piece, sub $6,000 camera.

    Thanks and have a nice day.

    Steve Cooperman
    Product Manager – P2 HD, POVCAM, Production Displays

    Panasonic Solutions Company

    Vanguard Media & Entertainment

  • Andrew Johnstone

    June 5, 2012 at 7:41 am

    After some careful consideration, I ended up with the Panasonic HPX250 and I have to say I am very pleased with it. The images are excellent and the AVC-Intra 100 codec is important if, like me, you need to be able to offer a kit that is approved by broadcasters.

    However, there are issues with the camera. My biggest bugbear are the zoom and iris rings that have no front and back end. The stop and focal length are displayed in the viewfinder and within a few days of shooting I can now live with this. However, shooting quick handheld POV pickups/cutaways (following feet walking – that kind of shot) without the ability to set the focus to a specific distance can be annoying. Without glasses on (at over 40, my 20/vision has deserted me – boo hoo!) I cannot reply on the LCD screen on any camera for critical focus and need to use the viewfinder or resort to my mental Kelly wheel for focal distances (anyone still use one of those btw?). I know that the Canon XF305 has similar issues with the lens. The plus point for the Panasonic is that the lens response has no perceptible squashy electronic lag on it like the Canon.

    Another issue for me is battery time and record time. the AVC-Intra codec chews up a lot of memory on the very expensive P2 media and a lot of memory in your post production workflow. I am shooting on AVC-Intra50 (more than adequate for most documentary applications), but I am aware that I could have better results if I were shooting AVC-Intra 100 all day long. The battery life is very poor. I have 2 x high capacity SWIT batts and ever these are not enough for a days work. I shot an hour of material yesterday in 4 hours shooting and used one battery. Not good.

    But let’s face it any machine that costs less than £4k is going to have some issues. If I have to buy another battery or two, that is an affordable expense. Overall though, I’d recommend this machine, principally because the images it makes are excellent and that’s the bottom line really.

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