DIY Photography

Your one stop shop for everything photo-video

  • News
  • Inspiration
  • Reviews
  • Tutorials
  • DIY
  • Gear
Search

Submit A Story

Why and how to shoot portraits in bright sunlight with flash using high speed sync

Sep 14, 2018 by John Aldred Add Comment

  • Share
  • Tweet
  • Flipboard
  • WhatsApp

Light is vital to photography. Without it, we wouldn’t have photographs. Our sensors would just be recording blackness. Personally, I’ve always been a fan of making my own light. Mostly with flash, and mostly on location. This has meant that I’ve had to dip into the world of high speed sync a lot.

But what is high speed sync? And why would you want to use it? In the latest Laws of Light video, Jay P Morgan answers those questions and more.

In a nutshell, high speed sync a way to get around the issue of focal plane shutters. Basically, the mechanical focal plane shutter in a DSLR or mirrorless camera is two “curtains”. The front curtain sits in front of the sensor blocking light from hitting it. It opens up, the sensor is exposed to light, and then the rear curtain closes over the sensor to cut the light off.

But the main issue with the mechanical shutter is speed. It takes a certain amount of time to open the front curtain and then close the rear curtain. And this speed limit where the front curtain can be fully open before the rear curtain starts to close varies from around 1/160th to 1/320th shutter speeds, depending on the camera. This is what’s known as your sync speed. The maximum shutter speed at which you can use regular flash.

Beyond this, the rear curtain starts closing before the front curtain has fully opened. So, instead of exposing the entire sensor at once, a slit travels across your sensor, exposing different parts of it at slightly different times.

To get around this, some flashes offer high speed sync mode. This causes the flash to pulse throughout the duration of the exposure covering the slit as it moves across the sensor. You’re then able to shoot with flash all the way up to your camera’s maximum shutter speed.

Jay uses Dynalite Baja B6 strobes for high speed sync. I started off using high speed sync about 10 years ago when the Nikon SB-900 speedlight was released. Speedlights were all that was really available at the time, which offered HSS, so I had half a dozen of those. I’ve since switched to Godox AD200, AD360II and AD600 Pro strobes now that more powerful lights have started to gain HSS capabilities.

Besides high speed sync, there are a couple of other ways around your camera’s sync speed if you want to use flash.

One method, marketed by different brands under various names, is what’s commonly known as “tail sync”. This basically relies on having a strobe with a really slow flash duration that just stays lit for the entire duration of your shot. The strobe lights up when you take your shot and stays lit until the shot’s over. Although this can cause problems if your flash duration isn’t long enough to cover the entire exposure.

Another option is to use neutral density filters over your lens. This means you don’t have to go over your sync speed at all. But if you would have to use 1/8000th of a second to get a good ambient exposure, to bring that down to 1/250th in order to stay within your camera’s sync speed, you’d need to add 5 stops of neutral density over your lens. If you have an even slower sync speed, that’s 6 stops of neutral density.

With mirrorless cameras, this much neutral density may not be a problem, as the EVF can be brightened to still let you see the scene. But if you’re shooting a DSLR, then you may not even be able to see through the viewfinder to compose the scene or the camera’s autofocus might not be able to focus on the subject standing in shade – but it can be a good method if you want to capture some motion in the environment.

With HSS and tail sync, you’re going to lose some power and traditional metering isn’t going to work. Once you go past your sync speed, you either need a handheld meter capable of recording high speed sync (which right now is just the Sekonic L858), or you’re just judging it from the back of your camera by taking a shot and looking at the shot.

I’ve used all three methods at one point or another. But high speed sync is my go to. It’s the least hassle, especially when I’m working on location in the middle of nowhere.

FIND THIS INTERESTING? SHARE IT WITH YOUR FRIENDS!

  • Share
  • Tweet
  • Flipboard
  • WhatsApp

Related posts:

How to cheat at high speed sync and shoot in bright conditions with studio strobes Default ThumbnailUnderstanding Flash Sync, Shutter Curtains And High Speed Sync Video showing the power of High Speed Sync in a bright environment How and why you might want to use High Speed Sync flash in the studio

Filed Under: Tutorials Tagged With: high speed sync, HSS, jay p morgan, The Slanted Lens

John Aldred: from diyphotography.net

About John Aldred

John Aldred is a photographer with over 20 years of experience in the portrait and commercial worlds. He is based in Scotland and has been an early adopter - and occasional beta tester - of almost every digital imaging technology in that time. As well as his creative visual work, John uses 3D printing, electronics and programming to create his own photography and filmmaking tools and consults for a number of brands across the industry.

« Apple announces the iPhone X… again. But with more fake bokeh
How to build your own colour-changing DIY studio lights »

Submit A Story

Get our FREE Lighting Book

DIYP lighting book cover

* download requires newsletter signup
DIYPhotography

Recent Comments

Free Resources

Advanced lighting book

Recent Posts

  • Botched selfie escalates to draining of reservoir
  • Panasonic PanaTrack is a big bendy motorised camera slider
  • Once again, tourists are getting too close to bison for photos
  • Fujifilm announces shipping delays for the new Fuji X-S20
  • International Photography Awards reveals breathtaking 2022 winners (mildly NSFW)

Udi Tirosh: from diyphotography.netUdi Tirosh is an entrepreneur, photography inventor, journalist, educator, and writer based in Israel. With over 25 years of experience in the photo-video industry, Udi has built and sold several photography-related brands. Udi has a double degree in mass media communications and computer science.

Alex Baker: from diyphotography.netAlex Baker is a portrait and lifestyle driven photographer based in Valencia, Spain. She works on a range of projects from commercial to fine art and has had work featured in publications such as The Daily Mail, Conde Nast Traveller and El Mundo, and has exhibited work across Europe

David Williams: from diyphotography.netDave Williams is an accomplished travel photographer, writer, and best-selling author from the UK. He is also a photography educator and published Aurora expert. Dave has traveled extensively in recent years, capturing stunning images from around the world in a modified van. His work has been featured in various publications and he has worked with notable brands such as Skoda, EE, Boeing, Huawei, Microsoft, BMW, Conde Nast, Electronic Arts, Discovery, BBC, The Guardian, ESPN, NBC, and many others.

John Aldred: from diyphotography.netJohn Aldred is a photographer with over 20 years of experience in the portrait and commercial worlds. He is based in Scotland and has been an early adopter - and occasional beta tester - of almost every digital imaging technology in that time. As well as his creative visual work, John uses 3D printing, electronics and programming to create his own photography and filmmaking tools and consults for a number of brands across the industry.

Dunja Djudjic: from diyphotography.netDunja Djudjic is a multi-talented artist based in Novi Sad, Serbia. With 15 years of experience as a photographer, she specializes in capturing the beauty of nature, travel, and fine art. In addition to her photography, Dunja also expresses her creativity through writing, embroidery, and jewelry making.

Copyright © DIYPhotography 2006 - 2023 | About | Contact | Advertise | Write for DIYP | Full Disclosure | Privacy Policy