Problem when recording - jump, glitch, smear

A

akaBT

New member
Hello HMC150 Community,

I'm experiencing a problem with my 150 that I thought I'd share and see if anyone else has seen the same.

I would describe it as a jump, glitch or smear while recording.

I've posted a clip in an album in my .me gallery.

http://gallery.me.com/akabt#100406/HMC150_glitch1&bgcolor=dkgrey

It looks like the camera/tripod was bumped, but I assure you it was not.

Shot 1 - wedding:
24p Sachtler head and sticks
If you scrub slowly through the clip, watch the candle in the very top left corner of the first shot. You can see the "jump" frame and the smear that's going on.

Shot 2 - Bible page:
24p Sachtler head and sticks
No one was touching the Bible/page and I was just starting to adjust the camera when the jump happened.

Shot 3 - Pastor with hand held mic
30p Bogen/Manfrotto
The camera is moving ever so slightly, but all of a sudden there is that jump.

Shot 4 - dog:
24p Sachtler head and sticks
Maybe the toughest to see as the camera is moving in the same direction as the jump, but in that case I was just shooting around the yard until the problem showed itself.

I notice immediately when it happens through the viewfinder or on the lcd, and it's obvious in all of the clips.

Any thoughts to help me describe the issue when I contact Panasonic service?

Thanks,
Brian
 
Are you using OIS for all of these? If you use image stabalisation with a smooth panning tripod shot, then the stabalisation mechanism will try and 'fight' your pan.
 
I concur with Jamesrobertwatt
I've had the exact thing happen to me while shooting weddings as well. It's the OIS (image stabilization) I just keep it off now even when doing handheld shots. I've always kept it on with my previous camcorders and never had an issue. Initially, I thought my OIS on my HMC150 was defective but a friend who also has the hmc150 experienced the same problem we did some footage comparison.
 
possible OIS issue

possible OIS issue

Thanks for your responses everyone.

As for type of SD card - Transcend 16 GB SDHC Class 6

As for OIS - yes it was on, and exactly what I was thinking this weekend when I was shooting some stuff around our campsite. I had it on and was trying to recreate the problem when the wind/rain storm forced me to stop shooting and seek shelter. I never got back to shooting to turn OIS off.

OIS fighting the pan makes sense, but what really freaked me out was when the camera was barely moving and there would be a "jump" (Bible page shot). Seems like the OIS is completely resetting or tripping back to a default - weird.

I'll just turn it off like Elias and report back.

Thanks again,
 
Its odd I've been advised not to use OIS when you dont need to because it "fights something that isnt happening" but I have never experienced it myself. Now after seeing this I'll be sure to turn it off if not needed.
 
I would like to add to the suspicion that it might be the OIS. I have seen jumpiness in slow/calm scenes. One I can think of off-hand was an interview subject against a white wall. When he swayed back and forth the OIS thought that the camera was being moved. Jumpiness ensued.
 
modus said:
I would like to add to the suspicion that it might be the OIS. I have seen jumpiness in slow/calm scenes. One I can think of off-hand was an interview subject against a white wall. When he swayed back and forth the OIS thought that the camera was being moved. Jumpiness ensued.
Click to expand...

That's odd... I was under the impression that the OIS worked with a gyroscopic motion sensor, not by "watching the screen" as EIS systems do.
 
First thing to do as said would be to shoot without OIS on when using sticks. You should never use it with sticks. You are using a stabilizer on a stabilizer.

That said, a couple of those shots it didn't appear that the camera was moving to cause that big of a jump... However, if you were zoomed in a lot, the effect would probably be exaggerated though.

Anyways, obey the first rule which is, don't use OIS when you are already using a stabilizer like a tripod. There is no need for it to be on in that instance anyways, and it will cause those types of "glitches". See if that fixes your problem. If it doesn't, then you can go from there... But, it probably will fix your issue.

later,
Jason
 
TigerFX said:
That's odd... I was under the impression that the OIS worked with a gyroscopic motion sensor, not by "watching the screen" as EIS systems do.
Click to expand...

To be honest, this was not with an HMC150. This was with a Panasonic miniDV cam I used in college. I can't remember the model. It was a shoulder mounted design. I should have mentioned that but I forgot that all cams weren't optically stabilized.
 
Ois

Ois

I think I can safely say my problems were caused by the combination of using OIS and sticks together.

Since receiving help/suggestions after my first post, I haven't seen any of those jumps, smears or glitches when shooting with a tripod and OIS OFF.

Until last night. I was running and gunning at a Vacation Bible School - switching back and forth from sticks to handheld - when I did see a jump while on sticks. Sure enough, the OIS, which is thought was OFF, was ON.

Another checkpoint to add to the list before hitting record. Look for the little hand icon in your display - check.

Thanks for the help.
 
i am having this exact problem only im not using ois. i was using it with my sgblade and when i started to pan on one of the shots it glitched or jumped or whatever. i didnt notice it happen on the lcd but when i was reviewing the footage it was there. any ideas?

thanks
Ninos

btw i looked at the footage that was posted by the op and mine does not look like that. mine is more of a glitch like couple of corrupted frames or something.
 
akaBT said:
Thanks for your responses everyone.

As for type of SD card - Transcend 16 GB SDHC Class 6

As for OIS - yes it was on, and exactly what I was thinking this weekend when I was shooting some stuff around our campsite. I had it on and was trying to recreate the problem when the wind/rain storm forced me to stop shooting and seek shelter. I never got back to shooting to turn OIS off.

OIS fighting the pan makes sense, but what really freaked me out was when the camera was barely moving and there would be a "jump" (Bible page shot). Seems like the OIS is completely resetting or tripping back to a default - weird.

I'll just turn it off like Elias and report back.

Thanks again,
Click to expand...

I use the same Transcend card, I always shoot with OIS on, and I use a tripod 90% of the time, but alas I've never had the issues you've described.

If you were to play back the video on the camera direct from the card, do you see the problem? I'm atttempting to see if it is a camera issue or a computer issue.
 
Songdog said:
If you were to play back the video on the camera direct from the card, do you see the problem?
Click to expand...

Songdog - Yes, I was seeing the problem at the moment it happened during recording, playback on camera from card, and playback on computer after capture/transfer. I'd say it was a camera setting problem/situation. OIS off when on sticks for me - YMMV.

Marduk said:
mine is more of a glitch like couple of corrupted frames or something?
Click to expand...

Marduk - maybe you could post some footage too. How often have you seen the problem and what were the shooting conditions? Maybe there are some factors that will effect solid state recording.
 
You must log in or register to reply here.
Back
Top