The Canon RF-S 18-45mm f/4.5-6.3 IS STM is the quintessential “everyday” lens designed specifically for Canon’s APS-C mirrorless cameras, such as the EOS R7, R10, and R50. Engineered with portability in mind, this lens features a clever lens-retraction mechanism that collapses the barrel when not in use, making it compact enough to fit into a jacket pocket or small bag. Despite its diminutive size, it offers a versatile zoom range equivalent to 29-72mm on a full-frame system, covering everything from wide-angle landscapes and group selfies to standard portraits.
Ideally suited for vloggers and content creators, the lens utilizes a lead-screw type stepping motor (STM) which delivers smooth, virtually silent autofocus performance—crucial for video recording where microphone interference must be minimized. The optical formula includes two aspherical elements to reduce distortion and improve sharpness. Additionally, the built-in Optical Image Stabilizer provides up to 4 stops of shake correction, which can be coordinated with an IBIS-equipped body (like the EOS R7) to deliver up to 6.5 stops of stabilization, ensuring crisp handheld footage and sharp stills in challenging lighting.
Technical Specifications:
- Mount: Canon RF-S (Optimized for APS-C)
- Focal Length: 18-45mm (35mm Equivalent: 29-72mm)
- Aperture Range: f/4.5-6.3 to f/32
- Motor Type: STM (Lead-Screw)
- Stabilization: 4 Stops (Optical) / Up to 6.5 Stops (Coordinated)
- Focus Distance: 0.20 m (AF) / 0.15 m (MF at 18mm)
- Max Magnification:16x (AF) / 0.26x (MF at 18mm)
- Filter Thread: 49 mm
- Dimensions: 69 x 44.3 mm (Retracted)
- Weight: 130 g

