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In a world first, Panasonic and Leica have created the Leica DG Vario-Summilux 10-25mm f/1.7, a lens that combines a versatile 10-25mm focal range with a super bright constant f/1.7 aperture. Essentially providing the equivalent of 5 separate primes in one lightweight, dust and splash resistant lens, perfect for weddings, events, portraiture, and low-light shooting. Combine that with a clickless aperture, manual focus clutch, and impressive optical and you’re probably wondering where this lens has been your whole life.

Versatile 10-25mm Zoom Lens

The hefty zoom range of 10-25mm provides creative freedom for both photographers and videographers to compose their shots. That zoom range translates to a 35mm equivalent of 20-50mm for improved flexibility without the hassle of swapping lenses. Stay nimble and get the coverage you need to capture quickly, without needing to change lenses.

Ultra-Bright and Ultra-Fast f/1.7 Aperture

With a blazingly bright f-stop rating, traditionally reserved for prime lenses, the Vario-Summilux 10-25mm offers a super bright f/1.7 aperture across the entire zoom range, perfect for low-light conditions or to combine with fast shutter speeds to freeze fast motion.

9-Bladed Circular Aperture

Shooting with the aperture wide open at f/1.7 creates a super shallow depth-of-field, perfect for portraiture and video work. The circular 9 bladed aperture renders out of focus areas of your shot with a beautifully soft bokeh for a 3-dimensional feel.

Focus Clutch Mechanism and De-Clicked Aperture

Panasonic have designed the 10-25mm to meet the expectations of professionals which is they added a focus clutch mechanism for quick switching between autofocus and manual focus modes. They haven’t forgotten the needs of videographers either, with a click less aperture ring for ultra-smooth aperture control.

Premium Optical Performance

With an exceptional optical design that uses 17 lens elements arranged in 12 groups with not just one but three aspherical lenses, four ED (Extra-Low Dispersion) as well as an all-new UHR (Ultra-High Refractive Index) element. This sophisticated optical construction makes sure the lens is lightweight and portable while at the same time ensuring image quality is maintained across the entire zoom range.

Splash and Dust Resistant Construction

It should come as no surprise that the lens has a rugged dust and splash resistant construction combined with a durable metal lens mount. The lens easily stands up to the rigours of daily use and is designed to be used in temperatures as low as -10?°C

Designed for Fast Autofocus Performance

Compatible with Panasonic’s LUMIX G advanced sensor technology, the Leica H-X1025 10-25mm lens supports the ultra-fast 240fps sensor readout speeds required to deliver high-speed, high-precision autofocus.

Lens Construction

17 elements in 12 groups (3 aspherical lenses, 4 ED lenses, 1 UHR lens)

Nano Surface Coating



Micro Four Thirds mount

Optical Image Stabilizer


Focal Length

f=10-25mm (35mm camera equivalent 20-50mm)

Aperture Type

9 diaphragm blades / Circular aperture diaphragm

Maximum Aperture


Minimum Aperture


Closest Focusing Distance

0.28m / 0.92ft

Maximum Magnification

Approx. 0.14x / 0.28x (35mm camera equivalent)

Diagonal Angle of View

94o (Wide) - 47o (Tele)

Dust and Splash Resistant


Recommended Operating Temperature

-10°C to 40°C

Filter Size


Max. Diameter


Overall Length

Approx. 128mm / 5.04inch (from the tip of the lens to the base side of the lens mount)


Approx. 690g (excluding lens cap, lens rear cap and lens hood)


*Dust and Splash Resistant does not guarantee that damage will not occur if this lens is subjected to direct contact with dust and water.

* Specifications subject to change by the manufacturer without notice

  • Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 Lens
  • Lens cap
  • Lens rear cap
  • Lens hood
  • Lens storage bag

Manufacturer Warranty

This product comes with a

12month Australian warranty

from Panasonic Australia

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* Dispatch timeframes are indications only and may vary for multiple quantities. Timeframes are updated regularly during normal business hours.