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Black cylindrical Micro Four Thirds zoom lens with silver accents, hood and front cap attached

Panasonic

Panasonic LUMIX G Leica DG Vario-Summilux 25-50mm f/1.7 Aspherical Lens for MFT camera lens

SKU CH-68T1-RG58Y

Micro Four Thirds zoom covering 50-100mm equivalent with constant f/1.7 aperture and bundled filter kit

  • Fast f/1.7 aperture across the 25-50mm zoom range
  • 50-100mm equivalent focal length covers portraits to close-ups
  • 17 elements in 12 groups with aspherical and ED glass
  • 9-blade circular diaphragm creates smooth background blur
  • Inner focus system enables silent 240-fps autofocus

Micro Four Thirds zoom for portraits and close-ups

This Panasonic Lumix G Leica DG Vario-Summilux covers a 25-50mm focal range, delivering a 50-100mm equivalent field of view on Micro Four Thirds bodies. The constant f/1.7 aperture and nine-blade circular diaphragm provide shallow depth of field and smooth bokeh. It suits photographers and videographers who want a single bright zoom for people, events and detail work.

Silent inner focus with 240-fps drive compatibility

An inner focus system keeps the lens barrel stationary while driving autofocus, enabling quiet operation suited to video and discreet shooting. The design supports a maximum 240-fps sensor drive for high-speed, high-precision autofocus tracking. Optical construction uses 17 elements in 12 groups, including aspherical and ED glass to suppress axial and magnification chromatic aberration.

77mm filter thread with bundled accessories

The front accepts 77mm filters and the bundle supplies a variable ND filter, filter kit, flexible lens shade, cleaning kit, cap tether and carrying case. A lens hood and front and rear caps are also included. Builders who need a different thread size or a wider zoom range will need another solution.

How it compares

Measured against everything we stock in Interchangeable Camera Lenses, at today’s prices. Recalculated every night.

Price $1,552.99
Pricier than about 90% of the 2,570 comparable items (median $546.49).

Specifications

No published specifications for this item yet.

Questions about this item

How do I mount the 25-50mm f/1.7 lens on my Micro Four Thirds body, and which step do people skip?

Align the lens mount index with the camera's red dot, rotate until it clicks, then remove the rear cap; the step often missed is leaving the rear cap on, which blocks the sensor and prevents focus.

What maintenance will the 17-element, 12-group optical design need over time?

The front element takes 77mm filters, so keep a circular polariser or protector fitted; clean with the supplied microfibre cloth and fluid only when dust affects images, and check the hood bayonet stays tight.

At what point does the constant f/1.7 aperture hit its limit during extended 240 fps autofocus bursts?

Heat from the inner-focus motor and continuous 240 fps sensor drive is the first bottleneck; after several minutes the lens may throttle AF speed to protect internal components.

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