Canon EF-S 55-250mm f/4-5.6 IS STM Lens
Designed for photographers looking to extend their reach without adding heavy weight to their gear kit, the Canon EF-S 55-250mm f/4-5.6 IS STM is a versatile compact telephoto zoom lens engineered specifically for APS-C format Canon DSLR cameras. Featuring an advanced Stepping Motor (STM) technology and an optical Image Stabilizer, this lens delivers smooth, silent autofocus performance alongside crisp, shake-free images—making it an ideal choice for wildlife, sports, portraiture, and video recording.
Key Features & Operational Advantages
Stepping Motor (STM) Technology: Delivers smooth, near-silent continuous autofocusing during Movie Servo AF video recording and quick, precise AF for still photography.
Optical Image Stabilization: Provides up to 4 stops of shake correction, allowing clear handheld shooting in low-light environments or at full telephoto zoom settings.
Ultra-Low Dispersion (UD) Lens Element: Minimizes chromatic aberration and color fringing throughout the zoom range for high resolution and contrast.
Full-Time Manual Focus: Enables manual focus override at any time, even while in AF mode, for precise creative control.
Optimized Lens Coatings: Reduces ghosting and flare for improved color accuracy and high contrast when shooting under harsh lighting conditions.
Technical Specifications & Dimensions
Feature | Specification |
Focal Length | 55–250 mm (35mm Equivalent: 88–400 mm) |
Maximum Aperture | f/4 – 5.6 |
Minimum Aperture | f/22 – 32 |
Lens Mount | Canon EF-S |
Format Compatibility | APS-C |
Minimum Focus Distance | 0.85 m (2.79 ft) |
Maximum Magnification | 0.29x |
Optical Design | 15 Elements in 12 Groups |
Diaphragm Blades | 7, Rounded |
Filter Thread Size | 58 mm |
Dimensions (Diameter × Length) | 70 mm × 111.2 mm |
Weight | ~375 g |
Primary Applications
Wildlife & Nature Photography: The 400mm-equivalent reach allows for detailed close-ups of distant animals without disturbing their natural environment.
Action & Youth Sports: Fast autofocus and optical stabilization help freeze motion and isolate players on the field.
Portraiture: The telephoto focal range combined with a 7-blade circular diaphragm creates beautifully blurred background bokeh to make subjects stand out.