In previous articles, we covered how focal length affects headshots, and now we want to jump into the topic of aperture to discuss how it affects headshot imagery. What is the best aperture for headshot photography? The answer depends on a number of factors, including the background of the image, the quality of your lens, and how much retouching you intend to do for each image. Let’s explore each of these points and more below.
Best Aperture for Headshots: At a Glance
This guide covers how aperture choices affect background separation, sharpness, skin retouching, and vignetting in headshot photography.
- Why f/2.8 Is Often the Best Choice – The go-to aperture for most headshot situations
- Aperture Choice and Background – How your background affects the ideal aperture
- How Lens Quality Affects Aperture Choice – Why not all lenses perform equally wide open
- Higher Apertures and Retouching – The tradeoff between sharpness and skin smoothing
- Consider Vignetting – Corner falloff and how it affects your images
- More Information – Deepen your headshot knowledge
Why F/2.8 Is Often the Best Choice
If you’d like to skip the discussion and explanation below and jump straight into shooting, then we recommend defaulting to an aperture of f/2.8 for your headshot photography. If your lens does not go down to f/2.8, then go down to the lowest possible aperture.
In general, wider apertures create softer portraits and draw more attention to the focal point. The aperture of f/2.8 will give you good separation from the background with enough sharpness in the image. For headshots, we recommend shooting between f/2 and f/2.8, and if you have the option, try not to shoot wider than f/4.
The reason f/2.8 has become a sort of industry standard for headshots is that it strikes the right balance. You get enough background blur to keep the focus squarely on your subject’s face, but you retain enough depth of field to keep both eyes sharp, even if the subject is turned slightly. Going wider than f/2 can be beautiful with the right technique, but leaves very little margin for error, especially at closer focusing distances.
Aperture Choice and Background
If your background is busy or inconsistent, then you will want to use a lower aperture. The best illustration of this concept is from the work of Dylan Patrick. In his cinematic style of headshot photography, he uses a 70-200mm lens at f/2.8, stands further away from his subjects and zooms in to utilize compression. When combined with a large, soft light source, interesting compositions, and great expressions, the results are incredible images such as the one below. This technique is great for on-location headshot photography. You can find more information in his Fstoppers tutorial here.
If you have a more controlled background, such as a white backdrop, then the aperture is less important in terms of separating your subject from the background. However, you’ll still want to stick to lower apertures to keep the primary focus on the subject’s eyes and minimize distractions from clothing, jewelry, and other elements in the frame.
A gray or textured studio backdrop falls somewhere in between. It won’t compete with your subject the way a busy outdoor environment might, but a slightly wider aperture still helps soften any texture and keep the viewer’s attention on the face. As a general rule, the more unpredictable your background, the wider you’ll want to shoot.
How Quality of Lenses Affects Aperture Choice
In general, high-quality lenses will allow headshot photographers to utilize low apertures while low-quality lenses can sometimes be “soft” (i.e., lacking sharpness) at lower apertures. If you zoom in at 100% and don’t see tack-sharp eyes, consider increasing your aperture or ideally changing out your lens.
This is especially worth knowing if you’re shooting with a kit lens or a budget zoom. Many lenses that are sharp at f/5.6 or f/8 show noticeable softness and chromatic aberration when pushed to their widest aperture. Before a paid session, it’s worth doing a quick test shoot at your intended aperture to confirm your lens delivers the sharpness your clients expect.
Prime lenses, particularly the 85mm f/1.8 or f/1.4 options from Canon, Nikon, Sony, and third-party manufacturers like Sigma and Tamron, are popular headshot lenses precisely because they maintain excellent sharpness even at wide apertures. If headshot photography is a regular part of your business, investing in a quality prime in the 85mm to 135mm range is one of the most impactful gear upgrades you can make.
Higher Apertures = More (Potential) Retouching
Headshot photography at wide-open apertures of f/2.8 and below, such as f/2.0 or f/1.8, will give your image sharpness in the subject’s eyes and send the other parts of the image, including parts of the face, out of focus. The out-of-focus parts of the face will generally require less retouching and skin smoothing. In contrast, images shot at higher apertures will make skin blemishes sharper and more noticeable, potentially requiring more editing.
Of course, with the right lighting for headshots and good makeup, this becomes less of a factor. A well-diffused light source, like a large softbox positioned close to your subject, naturally smooths skin texture by reducing harsh shadows across pores and fine lines. When you pair that with a wide aperture, you’re using both light and optics to your advantage, which means less time spent in post-production per image.
For photographers doing high-volume headshot days, that difference in retouching time adds up quickly. Shooting at f/2.8 with flattering light can shave meaningful time off your editing workflow compared to shooting at f/5.6 where every skin detail is rendered with full clarity.
Consider Vignetting
Another trait of wider apertures is the level of vignetting present in the frame. In general, images shot with wide-open apertures tend to have more vignetting in the corners. This may or may not be an issue depending on your intended style, the quality of your lens, and the composition of your image.
For many headshot photographers, natural vignetting is actually a welcome side effect. It subtly draws the eye toward the center of the frame where the subject’s face is, reinforcing the overall intention of the portrait. If it’s too pronounced for your taste, most raw processors including Lightroom and Capture One include lens correction profiles that can reduce or eliminate it with a single click. On the other hand, if you’re shooting at narrower apertures and want to add that same visual effect, a manual vignette in post can be applied to taste.
Frequently Asked Questions About Headshot Aperture
What aperture is best for headshots?
For most headshot situations, f/2.8 is the ideal starting point. It provides enough background separation to keep the focus on your subject while maintaining sufficient depth of field to keep both eyes sharp. If your lens opens wider and you’re confident in your focusing accuracy, shooting between f/2 and f/2.8 can produce beautiful results with even more background blur.
Can I shoot headshots at f/4 or f/5.6?
Yes, and in some situations it’s the right call. If you’re using a lower-quality lens that’s soft wide open, stopping down to f/4 can actually improve sharpness. On a white or plain studio backdrop, background separation also matters less, so f/4 to f/5.6 can work fine. Just keep in mind that skin texture and any blemishes will be rendered more clearly, which may mean additional retouching time.
Does aperture affect how much I need to retouch headshots?
It does. Wider apertures like f/2 to f/2.8 naturally soften the areas of the face that fall slightly outside the focal plane, which reduces the visibility of skin texture, pores, and minor blemishes. Shooting at f/5.6 or narrower renders the entire face with greater sharpness and detail, which typically means more retouching is needed to achieve a polished result. Good lighting and makeup can offset this, but aperture remains a meaningful variable.
What focal length and aperture combination works best for headshots?
The 85mm f/1.8 and 70-200mm f/2.8 lenses are two of the most popular combinations in headshot photography. The 85mm prime is compact, sharp, and produces flattering compression at a comfortable shooting distance. The 70-200mm zoom at f/2.8 gives you more flexibility, especially on location, and the extra working distance creates strong background separation even in busy environments. Both are excellent choices depending on your shooting style and budget.
Should I worry about vignetting when shooting headshots at wide apertures?
Not usually. Some degree of natural vignetting at wide apertures can actually enhance a headshot by drawing the viewer’s eye toward the center of the frame. If it’s too heavy for your taste, lens correction profiles in Lightroom or Capture One can reduce it quickly. For photographers who prefer a cleaner look, stopping down slightly or applying automatic lens correction in your raw editor solves the issue without any downsides.
More Information
Note: The following education is from our Headshot Photography Workshop in SLR Lounge Premium. If you’re serious about headshot photography and would like to make it a part of your business, we recommend subscribing to watch the entire workshop.
