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User_Removed
2 Mar 2013 - 3:30 PM

Anyone who has done DSLR video knows how difficult it can be to focus manually. There are follow focus systems available but this is the first I've seen which actually uses the autofocus motor to give you manual focus via USB, it's a pretty revolutionary bit of kit for DSLR video shooters.

02-03-2013-15-27-26.jpg

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User_Removed
2 Mar 2013 - 3:34 PM




GazzaG2003
GazzaG2003  11248 forum posts England
2 Mar 2013 - 4:09 PM

Thanks for this Chris I shall be ordering one of these next month Smile

MikeA
MikeA  91134 forum posts England
2 Mar 2013 - 6:50 PM

http://www.okii.net/product_p/fc1.htm

Here is another, been around for quite a while.

User_Removed
3 Mar 2013 - 12:02 AM

That one you link to Mike is $350, pretty expensive and doesn't look as good, but still great use of the tech. This week is first time I've heard of these! I wonder what uses they might have for stills photographers.

Hugo
Hugo  9628 forum posts United Kingdom
3 Mar 2013 - 4:05 AM

This is more interesting for stills - watch the video at the bottom:
http://dslrcontroller.com/about.php

MikeA
MikeA  91134 forum posts England
3 Mar 2013 - 9:55 AM


Quote: That one you link to Mike is $350, pretty expensive and doesn't look as good, but still great use of the tech. This week is first time I've heard of these! I wonder what uses they might have for stills photographers.

I use software via laptop (Dragonframe) to control my Focus only and stepper motors to control Focus and Zoom for Time-lapse stills.

User_Removed
3 Mar 2013 - 2:13 PM

Hugo, I actually think I was the first person to post that video on ePz (when the software came out a year or two ago). It was also one of the reasons I bought an Android phone. Must have a look at Dragonframe Mike. If I get more serious with DSLR video I could see myself buying one of the V-controls above and integrating it with the rig.

MikeA
MikeA  91134 forum posts England
3 Mar 2013 - 3:39 PM

Hi, Chris, it can get addictive like EPZ - building a 7 axes rig and controls currently.

Focus pull Time-lapse: http://vimeo.com/25425854 using a 1rpm DC motor.

Five axes Time-lapse test: http://vimeo.com/51699187 using Dragonframe

Dragonframe stepper motor integration: http://www.dragonframe.com/moco-3d.php#arduino

Last Modified By MikeA at 3 Mar 2013 - 3:41 PM
Paul Morgan
Paul Morgan e2 Member 1214388 forum postsPaul Morgan vcard England6 Constructive Critique Points
3 Mar 2013 - 3:48 PM

I dug all my sons old scaleletric track out of the loft, then bought some good old fashioned Meccano to build a motorised truck than runs along the track, works like a dream Smile

User_Removed
3 Mar 2013 - 4:26 PM

What sort of smoothness are you getting from the Scalextric Paul, also any video links? Those vids are impressive Mike, any pics of the setup?

MikeA
MikeA  91134 forum posts England
3 Mar 2013 - 5:36 PM

Hi, Chris
This is the equivalent of EPZ for Time-laspe but non commercial.
http://forum.timescapes.org/phpBB3/index.php

Three iterations of Focus / Zoom in this post.
http://forum.timescapes.org/phpBB3/viewtopic.php?f=30&t=8925&p=54990#p54... for the stepper motor set up

Images are Focus01 and Focus02, just below the third video frame for the DC motor set up
http://forum.timescapes.org/phpBB3/viewtopic.php?f=30&t=4649

Showing a 3 axes set up, did not a take any stills of the five axes set up.
http://vimeo.com/44823576

Last Modified By MikeA at 3 Mar 2013 - 5:41 PM
User_Removed
4 Mar 2013 - 1:00 AM

That's a fab looking slider, expensive?

Paul Morgan
Paul Morgan e2 Member 1214388 forum postsPaul Morgan vcard England6 Constructive Critique Points
4 Mar 2013 - 1:43 AM


Quote: What sort of smoothness are you getting from the Scalextric Paul, also any video links? Those vids are impressive Mike, any pics of the setup?

Yeh very smooth and the power comes from the track so no trailing wires, speeds adjustable as well using an old scaleletric trigger.

No video links as yet.

MikeA
MikeA  91134 forum posts England
4 Mar 2013 - 11:07 AM


Quote: That's a fab looking slider, expensive?

Slider: http://www.dynamicperception.com/ Stage Zero with DC motor or Stepper motor option now. I modified mine to take the stepper as there was no option when I purchased mine a couple of years ago.

Emotimo: http://emotimo.com/ TB3 Pan/Tilt

All plus Duty + Delivery + Vat

Last Modified By MikeA at 4 Mar 2013 - 11:09 AM

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