We’ve been talking about achieving tack sharp photos by using back button focus and differential focus for a couple of weeks now. Well, if you’ve been struggling with achieving sharp photos, you are not alone. I have too. Yup! All of a sudden, even after all this time.
Then, oddly enough, I had a sharp photo ah-hah moment this week while photographing on location in South Africa. And it had nothing to do with focus.
My experience really does go to prove that no matter how long you’ve been photographing, you are always learning, adapting and improving. Sometimes it’s because you’ve changed the way you shoot, maybe you’ve changed your lighting choice, or it might even be subject matter.
Whatever the case, as our photographic journey evolves, things change and we need to adapt our camera usage accordingly.
For me a few things changed at the same time. I retired my Nikon D700 to backup status and replaced it with a Nikon D810. A few months later I closed my studio, sold my lighting equipment and started shooting purely with natural light on location.
A side note on what upgrading your camera can involve
As a side note, because I upgraded my camera I had to update the version of Lightroom that I was using as the previous version didn’t recognise the new camera. I also had to increase the RAM on both my iMac and my MacBook Pro to cope. As the D810 is 36.3 megapixels vs the 12.1 megapixels of the D700, I also invested in two additional 1TB external hard drives – 1 for storage and 1 for backing up. Because I work between computers and I’m not always hooked up to the internet, my photographs are on external hard drives.
The megapixel challenge
There is a common misconception that to get better, sharper photos you need to increase your megapixels. I’ve written before that you don’t need the biggest, bestest camera out there. Taking a closer look at megapixels underlines this.
The higher the megapixel count of your camera, the more will be recorded in your photographs. Movement becomes more obvious – either camera shake by the photographer or movement blur by the subject.
The images in this tutorial were shot on three different cameras, ranging from 10.2 megapixels up to 36.3 megapixels. I’ve included camera details between each image, but if I hadn’t, there is no way you would know. So, don’t get hooked on megapixels. They’re not magic pixies and they won’t fix your photography.
Shot on a Nikon D80 10.2 megapixel camera at a medieval parade through the streets in France in 2008.
Camera settings: aperture – f8, shutter speed – 1/320, focal length – 300mm
Anyway, as I was saying about strobe lighting
Shooting with studio lighting it was easy to achieve sharp images, because the light froze the movement. I always shot at 1/200 and always had insanely sharp images, regardless of subject matter, which even included leaping superheroes and swashbuckling pirates.
Shot in my studio on a D810 using Bowens lighting.
Camera settings: aperture – f8, shutter speed – 1/200, focal length – 52mm
When shooting with purely natural light, there is no strobe light to freeze a subject’s movement. Plus I don’t have a steady hand when it comes to holding 2.6kg of camera and lens, so I really have to think about shutter speed.
Well that’s great in sunny weather. However, in the UK sunny weather is not guaranteed. Nevertheless, I thought I had it figured out. I was wrong, but let’s digress a moment before I explain why.
Pixel peeping to check for sharp photos
Now is a good time to let you know that I am a pixel peeper. If you haven’t heard of the term yet, it is a not very nice way of saying that a person is really fussy about achieving a sharp image. Pixel peepers view their images at 100% on the computer to check sharpness.
I don’t see anything wrong with expecting perfectly tack sharp images. Surely if you want to take a good photograph and your intention is for your photograph to be in focus, then it needs to be absolutely in focus.
If you’re never going to print your images bigger than say A4, I suppose it might not matter that your subject’s eyelashes are not beautifully crisp. It would matter to me, but I get that to some it might not. A4 is, however, the smallest size that I print for clients. I shoot with the intention of creating gorgeous, high impact wall art. My intended size for images is therefore at least 30 inches (76cm). Therefore nothing less than tack sharp is acceptable.
Back to strobe lighting
So, as I was saying, movement was fine all the time I was using strobes to light my subjects. Natural light is a very different story and I have really battled with this for the last year and a half. To the point that I thought there was something wrong with me. I thought that my hands must be more unsteady than I realised.
I should add that my lenses have vibration reduction (image stabilisation).
Also, I realised that photos I’d taken in portrait orientation were more often not sharp than photos taken in landscape orientation. This makes sense – it is easier to hold a camera steady in landscape orientation. So I started using a monopod when the light was a little low and I was shooting models.
I even considered that there might something wrong with my gear. However, that didn’t make sense – how could all my lenses and both cameras be faulty?
With young children I crank up the shutter speed to cope with their movement, but I really thought that 1/100 would be enough when shooting a still model at a focal length of 70mm. This ties in with the old rule of thumb that your shutter speed should at least match or exceed your lens focal length. So, if you’re shooting at 50mm your shutter speed should be at least 1/50th of a second or faster.
I was wrong. I’ll get to that in a minute.
I photographed this sweet child twirling in my studio on my D700 12.1 megapixel camera and Bowens lighting.
Camera settings: aperture – f11, shutter speed – 1/200, focal length – 50mm
I saw the light – literally
Everything just fell into place for me this week when I was shooting in the South African sun. My ISO was very often set to 100 or 200 maximum, unless it was after sunset. Aperture was most often at f5.6 or f4. When shooting models wearing jewellery, my aperture was at least f8 up to f16 to ensure a greater depth of field so that both the jewellery and the model were crisp.
With these settings, and the incredible natural light, my shutter speed varied between 1/400 and 1/8000, depending on time of day. That’s much faster than I’ve been shooting at in the UK.
I haven’t had such a high number of crisp photos per shoot in over a year. I mean, like at least 99% of the images were absolutely tack sharp. Previously it was probably about 70% per shoot, which made me feel like a complete failure every time.
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Drive (or release) mode settings
In the month before going away I had even changed my shutter release mode from single to continuous low so that I could take a few shots each time I depressed the shutter to counteract the potential fuzziness. Continuous low is a slow burst mode setting that allows for a few shots to be taken with one press of the shutter.
On many cameras you can set the drive mode dial to single, continuous low or continuous high. Shooting in burst mode is so far from how I have always shot, which is: see or set the shot, take a shot, be confident that you got it and move on.
My total number of shots per shoot increased from about 200 to as much as 600, which was insane and an absolute pain for post processing. Especially for somebody who really does not like spending a moment longer on the computer than absolutely necessary.
Back to what changed – shutter speed
The last two weeks have been incredible. Not because of the type of shoots I was doing and the jaw dropping locations. It was awesome, because I felt more like myself and I was producing better, sharper images. It was all down to being able to use a higher shutter speed, because of the quality of the light.
How could I not have realised this before? Wy did I not pay attention to the quality of the light changing with the fading of summer into winter? I was exposing correctly by widening my aperture and increasing my ISO to cope with the lower light levels, so obviously I was adjusting to the low light conditions. Why did not not think that my shutter speed was too slow for sharp photos? I could easily have cranked the ISO further, widened the aperture more to cope with increased shutter speed. It’s a mystery even to me.
I think sometimes we turn ourselves inside out trying to understand where we’re going wrong. Instead, we should bring it back to basics, which in this case was shutter speed. I clearly need to shoot faster than I realised.
Modern digital cameras allow us to record very fine detail. Also, instead of using 35mm film, we now use different sensor sizes – full frame and cropped. This adds another factor to consider. So we need to rethink the old rule of thumb.
How to beat camera shake
Aside from using a tripod or a monopod, shutter speed is your secret weapon. Using the correct shutter speed prevents both motion blur and camera shake to achieve tack sharp photos, as long as you are of course also in focus.
My adjusted rule of thumb is now: shutter speed should be double the lens focal length. So, when shooting at 200mm, shutter speed should be 1/400th.
Like many rules in photography, I feel this rule is bendable, but it is a good starting point. If your lens offers vibration reduction or image stabilisation the rule is of course more bendy.Sharp photos adjusted rule of thumb: make shutter speed double the lens focal length.Click To Tweet
Have you struggled to achieve sharp photos? Please share your questions and/or struggles below in the comments and we’ll give you some help.
If this article has helped you to understand camera shake, movement blur, or even megapixels, share that too – we love good news!