Canon
RF 28mm F2.8 STM
Canon RF · Prime · FULL FRAME
World's smallest RF lens — 120g pancake with STM AF and 0.23m close focus.
$299
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Last updated June 2026
Key specs at a glance
Focal Length
28 mm
Max Aperture
f/2.8
Mount
Canon RF
Coverage
Full Frame
Stabilization
No
Weight
120 g
Min Focus
23 cm
Filter Size
55 mm
Where to buy the Canon RF 28mm F2.8 STM
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Best for
Use-case scores
Scored algorithmically from verified specs. 10 = best in class.
Portrait
Limited- · f/2.8 aperture is solid for standard portraits
Sports & Action
Good- · Constant fast f/2.8 aperture allows fast shutter speeds
- · Equipped with high-speed silent AF motor for fast action tracking
Video & Hybrid
Limited- · Internal focusing keeps lens length constant and stops rotation
Landscape
Limited- · Relatively light weight (120g) is easy to hike with
Travel
Good- · Ultralight (120g) — perfect for all-day carry without fatigue
- · Pancake-style form factor is extremely discreet and compact
Wildlife
LimitedMacro & Close-up
Limited- · Short focus distance of 23 cm allows close shooting
Pros
- ✓ Prime design typically delivers strong sharpness and lighter weight
- ✓ Lightweight design easy to carry all day
- ✓ Native Canon RF mount compatibility
Cons
- – Third-party or older alternatives may offer better value
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Full specifications
Verified specs · Canon RF 28mm F2.8 STM