Forgot Password
Pentax Camera Forums Home
 

Reply
Show Printable Version Search this Thread
11-22-2011, 05:55 AM   #1
Veteran Member
adwb's Avatar

Join Date: Sep 2009
Location: Bristol UK
Photos: Gallery
Posts: 1,636
high speed flash

Is there any flash unit that will keep up with camera in continious shooting mode [HI speed]? mains or battery?

I have found setting a speed gun on minimum output it sort of works but the continious shutter rate slows right down.

It seems unlikly as they all use, I assume, some form of capacitor charging system, but I ask just in case there is something out there

11-22-2011, 06:52 AM   #2
Veteran Member
hoanpham's Avatar

Join Date: Nov 2009
Location: Strand
Photos: Gallery | Albums
Posts: 1,366
I used to bundle multiple flash units at lower power, depends on the power needed.

Say 7fps, approx 5 seconds recycle time, then you may need to set 1/32 power with one unit. If that's too dim, use 2 units each 1/32 power.
4 units with 1/8 power in total. The limitation is the camera. It slows down when the internal buffer is filled up...
11-22-2011, 07:19 AM   #3
Veteran Member
adwb's Avatar

Join Date: Sep 2009
Location: Bristol UK
Photos: Gallery
Posts: 1,636
Original Poster
QuoteOriginally posted by hoanpham Quote
I used to bundle multiple flash units at lower power, depends on the power needed.

Say 7fps, approx 5 seconds recycle time, then you may need to set 1/32 power with one unit. If that's too dim, use 2 units each 1/32 power.
4 units with 1/8 power in total. The limitation is the camera. It slows down when the internal buffer is filled up...
Yes understood, thank you. I have done that it's the 5 seconds recycle time I want to cut down.

I read something some where about high speed flash but I can't find it now.
11-22-2011, 07:30 AM   #4
D W
Veteran Member




Join Date: Mar 2008
Location: Hogtown, ON, Canada
Posts: 329
There are Quantum, Lumedyne units (US) that will give you more power and faster recycle. Bowen in UK has a battery powered unit at 600WS.

The weight of the circuitry means and external powerpack/supply and the flash head on camera. Also the cost is higher.

11-22-2011, 11:22 AM   #5
Forum Member




Join Date: Sep 2011
Location: Grand Rapids Michigan
Posts: 96
QuoteOriginally posted by adwb Quote
Yes understood, thank you. I have done that it's the 5 seconds recycle time I want to cut down.

I read something some where about high speed flash but I can't find it now.
For High Speed Flash, did you read about High Speed Sync? High Speed Sync allows you to use a flash with a shutter speed faster than 1/180sec. It does not allow you to take faster pictures in a row, just a faster shutter.
11-22-2011, 05:27 PM   #6
Veteran Member
adwb's Avatar

Join Date: Sep 2009
Location: Bristol UK
Photos: Gallery
Posts: 1,636
Original Poster
it's the in a row i'm after
11-22-2011, 06:10 PM   #7
D W
Veteran Member




Join Date: Mar 2008
Location: Hogtown, ON, Canada
Posts: 329
QuoteOriginally posted by adwb Quote
it's the in a row i'm after
Bron had an AC powered unit that give you 5 full power 600J flash per second. It was not cheap and not many were sold. Most of the reputable rental houses world wide stock it for rental. It was not something one would invest in but rent on a job demand basis.

11-23-2011, 06:02 AM   #8
Veteran Member
alohadave's Avatar

Join Date: Jan 2008
Location: Quincy, MA
Photos: Gallery | Albums
Posts: 2,024
QuoteOriginally posted by adwb Quote
Is there any flash unit that will keep up with camera in continious shooting mode [HI speed]? mains or battery?

I have found setting a speed gun on minimum output it sort of works but the continious shutter rate slows right down.

It seems unlikly as they all use, I assume, some form of capacitor charging system, but I ask just in case there is something out there

Change your shooting conditions so that you can shoot at lower power. If you need to pop at full power, it will never work unless you have really specialized flashes. Going to lower power will allow the flash to fire several pops at a time.

Using lower power will also decrease your odds of overheating your flash.
11-23-2011, 12:38 PM   #9
New Member




Join Date: Nov 2011
Location: Portland, OR
Photos: Albums
Posts: 3
Is there a way to alternate flash units?
11-24-2011, 02:30 AM   #10
Veteran Member
adwb's Avatar

Join Date: Sep 2009
Location: Bristol UK
Photos: Gallery
Posts: 1,636
Original Poster
interesting concept and could well be a solution.
Reply

Bookmarks
  • Submit Thread to Facebook Facebook
  • Submit Thread to Twitter Twitter
  • Submit Thread to Digg Digg
Tags - Make this thread easier to find by adding keywords to it!
flash, lighting, photo studio, strobist

Similar Threads
Thread Thread Starter Forum Replies Last Post
High speed photography yeatzee Photographic Technique 8 02-12-2011 01:49 PM
k20d high speed flash sync gybp Pentax DSLR Discussion 11 12-03-2009 12:10 PM
Advanced high speed or manual flash question StarDust Flashes, Lighting, and Studio 3 11-28-2009 04:45 AM
K20D High Speed Shutter Flash Sync ?? WalterGA Pentax DSLR Discussion 7 11-04-2009 10:23 AM
I need a high speed flash, any thoughts? reknelb Flashes, Lighting, and Studio 17 07-02-2007 07:07 PM



All times are GMT -7. The time now is 02:00 AM. | See also: NikonForums.com, CanonForums.com part of our network of photo forums!
  • Red (Default)
  • Green
  • Gray
  • Dark
  • Dark Yellow
  • Dark Blue
  • Old Red
  • Old Green
  • Old Gray
  • Dial-Up Style
Hello! It's great to see you back on the forum! Have you considered joining the community?
register
Creating a FREE ACCOUNT takes under a minute, removes ads, and lets you post! [Dismiss]
Top