The Canon RF 85mm f/2 is the smaller, lighter and more flexible lens, while the RF 85mm f/1.2L is the larger, more specialized lens that gives the thinnest depth of field and the most light. If you shoot portraits occasionally or travel often, the f/2 version is usually enough; if portraits are your main work, the f/1.2L is worth a closer look.
What Each Lens Is For
The RF 85mm f/2 is a compact short telephoto prime that Canon describes as including image stabilization and close-focusing ability. It suits family photos, street portraits, events and general use. The RF 85mm f/1.2L is part of Canon’s premium L line, built for professional portrait work, with a very wide aperture and a heavier build.
The Aperture Gap
The difference between f/2 and f/1.2 is roughly one and a half stops of light. In practice that means:
- You can use a faster shutter speed or lower ISO with the f/1.2 lens in dim rooms.
- The background blur is stronger with f/1.2, which makes a subject stand out more.
- The focus plane is thinner at f/1.2, so small focus errors show more.
Other Differences to Weigh
| Trait | RF 85mm f/2 | RF 85mm f/1.2L |
|---|---|---|
| Size class | Compact | Large and heavy |
| Maximum aperture | f/2 | f/1.2 |
| Line | Standard RF | L-series |
| Best suited to | Travel, general use | Dedicated portrait work |
Check Canon’s page for current weight, filter size, minimum focus distance and stabilization details, as these are the numbers that matter for daily use.
How to Choose
- Think about how often you shoot portraits. Weekly paid sessions justify the larger lens more than occasional family shots.
- Think about how you carry gear. A heavy lens on a small body can feel unbalanced on long days.
- Think about your light. Dim venues favor f/1.2; bright, outdoor work does not need it.
- Consider your focusing skill and subjects. Moving children are easier to keep sharp at f/2 than at f/1.2.
Real-World Examples
Imagine a family reunion indoors on an overcast day. The f/1.2L lens lets you keep a low ISO and a fast shutter speed while the background melts away, but the f/2 lens will still give clean results with a little more ISO. Now imagine a day of sightseeing with a single lens in your bag. The lighter f/2 is easier to forget about while you walk, and being comfortable with your gear often leads to more pictures taken. As a general guide, work out which scenario describes most of your shooting.
FAQ
Will f/2 look much different from f/1.2?
Yes, but the gap is smaller than the numbers suggest in many scenes. Backgrounds that are far from the subject blur well with both lenses.
Which lens suits video?
Either can be used. The lighter f/2 is easier on a gimbal or handheld rig, while the f/1.2L offers a more dramatic look at wide openings.
The Short Version
The f/2 is the practical all-rounder and the f/1.2L is the dedicated portrait specialist. Choose the f/2 for portability and versatility, choose the f/1.2L when maximum blur and light matter most, and confirm exact specifications on Canon’s page.
