Many photographers start with zoom lenses – they're flexible, practical, and cover a wide range of situations. But sooner or later, you'll want more: razor-sharp images, a smooth bokeh that transforms the background into pure creaminess, and portraits with a natural, touching depth. This is where prime lenses come in (also called fixed focal length lenses). The 85mm focal length is an absolute classic and ideal for beginners who want to take the leap to professional image quality.
In this article, we explain why 85 mm and a high aperture like F/1.8 should be your first step into this world – and how our Rollei AF 85 mm F/1.8 perfectly embodies these advantages.
Zoom or prime lens: What's the difference?
Many people start with zoom lenses – you can change the focal length, zoom in or out, and are therefore incredibly flexible in everyday use. Prime lenses, on the other hand, have a fixed focal length: no zooming is possible. However, they usually offer better image quality, a wider aperture, and a more pleasing bokeh. You "zoom with your feet," which forces you to compose more consciously and quickly develop a better feel for photography.
The importance of the 85mm focal length for portraits
The 85mm focal length is rightly considered the "portrait focal length par excellence." It offers a natural perspective that renders faces realistically and flatteringly – without the distortions of a wide-angle lens (e.g., large noses) or the heavy compression of longer telephoto lenses. You can maintain some distance from the model, which allows for relaxed, authentic poses without anyone feeling crowded.
Additionally, it slightly compresses the background, which makes subjects stand out and environments appear harmonious. This is perfect for beginners: you learn to compose deliberately, move around, and focus on the essentials. Whether headshots, half-length portraits, or even street portraits: 85mm is versatile and grows with your skills.
Why an aperture of f/1.8 is so important
A wide aperture like f/1.8 is key to the "wow" effect that defines many professional portraits. It lets in plenty of light, enabling shooting in low light without high ISO settings or flash, and creates a shallow depth of field. The background blurs into a creamy, soft bokeh, while the subject—for example, the eyes—remains razor-sharp. This perfectly isolates your subject and draws the viewer's eye directly to it.
For beginners, f/1.8 means immediately impressive, motivating results. You experiment with sharpness and blur, learn precise focusing, and achieve that professional look that kit lenses with f/3.5–5.6 simply can't match. Furthermore, such "fast" lenses are often sharper and correct aberrations better.
Our Rollei AF 85 mm F/1.8 makes optimal use of this light intensity: With 11 rounded blades, it creates a particularly smooth, calm bokeh – ideal for emotional portraits.
Advantages of an 85mm prime lens as an entry-level option
Switching to a prime lens like 85mm feels unusual at first – no zoom! But that's precisely what fosters your photographic instincts: you zoom with your feet, compose more consciously, and quickly develop your own style. Compared to 50mm or longer focal lengths, 85mm is the sweet spot for classic portraits.
As the first prime lens, it is affordable, lightweight, and versatile – not only for portraits, but also for details, events, or low-light situations. Many professionals swear by it as a "must-have".
Summary
An 85mm prime lens with an f/1.8 aperture is the ideal entry point into professional photography – natural perspective, breathtaking bokeh, and creative freedom. Try it out and see how your portraits reach a new level! Our Rollei AF 85mm f/1.8 is a perfect companion for this.
Have you ever worked with prime lenses? Share your experiences in the comments!