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Panasonic Leica DG Vario Summilux 25-50mm F1.7 Asph Lens



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Panasonic Leica DG Vario Summilux 25-50mm F1.7 Asph Lens

Versatility within a short telephoto range, the Leica DG Vario-Summilux 25-50mm f/1.7 ASPH., from Panasonic, is a 50-100mm-equivalent zoom for Micro Four Thirds mirrorless cameras. Ideal for portraiture, fashion, events, and other mid-range subjects, this lens pairs the useful focal length range with an impressively bright constant f/1.7 maximum aperture, advanced optics, and a portable form factor.

Normal-to-short-tele zoom is designed for Micro Four Thirds
  • Normal-to-short-tele zoom is designed for Micro Four Thirds mirrorless cameras and offers a 50-100mm equivalent focal length range.
  • Super bright f/1.7 constant maximum aperture excels in low-light conditions and offers an impressive depth of field control throughout the zoom range.
  • One aspherical element, three extra-low dispersion elements, and one ultra-high-refractive index element all combine to produce well-controlled imagery void of color fringing, chromatic aberrations, and spherical aberrations.
  • Linear AF motor, and an internal focusing system, deliver quick and quiet focusing performance along with virtually no focus breathing throughout the focusing range from 11" to infinity.
  • The focus clutch mechanism allows for intuitive switching between AF and MF modes, simply by sliding the focusing ring, and if paired with select Lumix cameras, Focus Ring Control can be used to tune the focus rotation feeling.
  • The physical aperture ring has a stepless, de-clicked design for smooth, silent aperture switching to benefit video applications.
  • Splash, dust, and freezeproof design benefits working in inclement weather conditions.
  • The rounded nine-blade diaphragm contributes to a smooth and pleasing bokeh quality.
  • Designed to closely match the Leica DG Vario-Summilux 10-25mm f/1.7 ASPH. lens, these two zooms are nearly identical in terms of form factor and weight, share the same 77mm filter ring diameter, and have a unified color rendering for seamless switching between the two lenses.

Focal Length 25 to 50mm (35mm Equivalent Focal Length: 50 to 100mm)
Maximum Aperture f/1.7
Minimum Aperture f/16
Lens Mount Micro Four Thirds
Lens Format Coverage Micro Four Thirds
Angle of View 47° to 24°
Minimum Focus Distance 11" / 28 cm
Maximum Magnification 0.21x
Optical Design 16 Elements in 11 Groups
Diaphragm Blades 9, Rounded
Focus Type Autofocus
Image Stabilization No
Filter Size 77 mm (Front)
Dimensions (ø x L) 3.4 x 5" / 87.6 x 127.6 mm
Weight 1.4 lb / 654 g
Packaging Info
Package Weight 2.61 lb
Box Dimensions (LxWxH) 11.8 x 5.5 x 5.5"