Product Description
Panasonic 25-50mm f1.7 Leica DG Vario-Summilux ASPH. Lens
The Panasonic LEICA DG VARIO-SUMMILUX 25-50mm f/1.7 ASPH. (H-X2550) is a groundbreaking telephoto zoom lens that offers a constant f/1.7 aperture throughout its entire zoom range. Designed to meet the stringent LEICA standards, this lens delivers exceptionally high optical performance for professional photographers and videographers alike. Whether you’re capturing stunning portraits or producing cinematic video content, this lens provides the flexibility, sharpness, and beautiful bokeh you need for superior results.
Key Features:
- Constant f/1.7 aperture: Achieve beautiful background blur (bokeh) across the entire zoom range for professional-grade results.
- High optical performance: Conforms to LEICA's rigorous standards, offering stunning image quality.
- Suppressed focus-breathing: Perfect for video, ensuring smooth focus transitions while zooming.
- Rugged construction: Dust- and splash-resistant, withstanding temperatures down to -10°C, making it ideal for challenging environments.
- 77mm filter size: Standard filter size for added versatility in creative effects.
Professional Zoom with Wide Aperture
As the world’s first telephoto zoom lens with a constant f/1.7 aperture throughout the 50-100mm equivalent (35mm) range, this lens is designed to excel in both still photography and video. The wide aperture not only creates stunning depth of field but also allows for shooting in low-light conditions without compromising on image quality. The Leica DG Vario-Summilux 25-50mm is perfect for capturing a wide range of scenes—from portraits to landscapes—with exceptional sharpness and detail.
Designed for Photographers and Videographers
Paired with the LEICA DG VARIO-SUMMILUX 10-25mm f/1.7 ASPH., this lens covers a comprehensive focal range that replaces multiple prime lenses. Both lenses offer the same wide f/1.7 aperture, providing seamless transitions and consistency in creative control. This flexibility allows photographers and videographers to capture moments with precision and minimal post-production.
Exceptional Optical Design
The lens comprises 16 elements in 11 groups, including aspherical and ED (Extra-low Dispersion) elements that reduce chromatic and spherical aberrations, ensuring high resolution and clarity. The combination of aspherical lenses and a meticulously designed lens system results in a compact and lightweight build, while still delivering outstanding optical performance.
Superior Video Recording Performance
The Panasonic 25-50mm f/1.7 Leica DG Vario-Summilux is optimized for videographers, featuring a mechanism that suppresses focus breathing across the entire zoom range. The silent inner focus drive and stepless aperture ring provide smooth aperture changes during shooting, perfect for dynamic video productions. Additionally, the manual focus clutch ensures intuitive and precise focusing, making it an ideal tool for filmmakers.
Durable and Weather-Resistant
Built for durability, the lens is dust and splash-resistant and can withstand temperatures as low as -10°C. This rugged design ensures you can shoot confidently in challenging outdoor environments, making it a reliable choice for adventure and outdoor photography.
Capture stunning photos and smooth video with the Panasonic LEICA DG VARIO-SUMMILUX 25-50mm f/1.7 ASPH. Lens—a professional-grade zoom lens offering exceptional image quality, robust performance, and creative flexibility.
For full specifications click Here
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| Lens Name |
LEICA DG VARIO-SUMMILUX 25-50mm / F1.7 ASPH. |
| Lens Construction |
16 elements in 11 groups (1 aspherical lens, 3 ED lenses, 1 UHR lens) |
| Mount |
Micro Four Thirds mount |
| Focal Length |
f=25-50mm (35mm camera equivalent 50-100mm) |
| Aperture Type |
9 diaphragm blades / Circular aperture diaphragm |
| Maximum Aperture | F1.7 |
| Minimum Aperture | F16 |
| Closest Focusing Distance |
0.28m/0.92ft (at focal length 25mm) / 0.31m/1.02ft (at focal length 50mm) |
| Maximum Magnification |
0.21x / 0.42x (35mm camera equivalent) (at focal length 50mm) |
| Diagonal Angle of View |
47°(Wide) - 24°(Tele) |
| Dust and Splash Resistant | Yes* |
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*Dust and Splash Resistant does not guarantee that damage will not occur if this lens is subjected to direct contact with dust and water. |
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| Recommended Operating Temperature |
-10℃ to 40℃ (14℉ to 104℉) |
| Filter Size | φ77mm |
| Max. Diameter |
φ87.6mm / 3.45inch |
| Overall Length |
Approx. 127.6mm / 5.02inch (from the tip of the lens to the base side of the lens mount) |
| Weight |
Approx. 654g / 1.44lb (excluding lens cap, lens rear cap and lens hood) |
| Standard Accessories |
Lens cap, Lens rear cap, Lens hood, Lens storage bag |
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