The Canon RF 50mm f/1.2 L lens is a workhorse, providing great image quality and features for a steep price of roughly $2,000. On the other hand, the RF 50mm f/1.8, also known as the “nifty fifty,” is only $200. With such a large price difference, you may ask how much superior the premium lens is than the less expensive choice.
Marc Newton of The School of Photography brings you this extensive video comparing the Canon RF 50mm f/1.2 L and the RF 50mm f/1.8. The most noticeable distinction between these lenses is their size and construction quality. The f/1.2 is substantially larger and heavier than the f/1.8, which is lightweight and compact. F/1.2 is Also made to a better level, with a metal body, whereas the f/1.8 has a more plasticky feel. Furthermore, the f/1.2 features faster and quieter focussing, making it better suited for professional use. Still, the f/1.8’s focus system, albeit slightly noisier, is adequate for most everyday shooting.
Newton also notes a significant variation in light-gathering abilities. The f/1.2 provides little over a stop more light than the f/1.8, which can make a significant impact when photographing in low light. The extra light might also provide you with greater creative freedom by enabling for shallow depth of field, resulting in gorgeous bokeh. Newton argues that while the f/1.2 offers smoother and creamier bokeh, the f/1.8 still holds up very well, especially given the price.
Newton then compares the two lenses in a scientific context, photographing the same subject with similar settings to demonstrate the variations in image quality. At f/11, f/5.6, and f/2.8, the two have nearly identical sharpness. Both lenses deliver sharp photos, even when zoomed in on specific details. However, as the aperture expands, small variances appear. The f/1.2 provides somewhat richer colours and captures more detail, particularly in the highlights and shadows. When shooting wide open at f/1.8 and f/1.2, the more costly lens produces smoother background blur and better colour rendition, although the difference is not dramatic.
Newton emphasises that the essential question is what you need from a lens.
If you shoot professionally and require greater light gathering ability, faster focus, and higher build quality, the f/1.2 is the apparent choice. However, if you’re on a tight budget or just getting started, the RF 50mm f/1.8 lens is an excellent deal. For $200, you get one of the best budget lenses available, suitable for a wide range of shooting settings. Check out the video above for Newton’s entire rundown.
