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Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 ASPH. Lens with UV Filter Kit

BH #PA102517FK (B&H Kit)
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Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 ASPH. Lens with UV Filter Kit
Key Features
  • Micro Four Thirds System
  • 20-50mm (35mm Equivalent)
  • Aperture Range: f/1.7 to f/16
  • Three Aspherical Elements
Complementing the lens itself, the Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 ASPH. Lens with UV Filter Kit from B&H bundles the fast wide-to-normal zoom with a 77mm UV filter.
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Kit Contains:

Complementing the lens itself, the Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 ASPH. Lens with UV Filter Kit from B&H bundles the fast wide-to-normal zoom with a 77mm UV filter.

Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 ASPH. Lens

A unique lens with a distinctly bright design, the Leica DG Vario-Summilux 10-25mm f/1.7 ASPH. from Panasonic is a 20-50mm-equivalent zoom for Micro Four Thirds mirrorless cameras. The impressively fast f/1.7 constant maximum aperture enables improved depth of field control and low-light shooting capabilities throughout the zoom range. Balancing the impressive f/1.7 performance, the optical design incorporates a series of low dispersion, aspherical, and high refractive index elements, which help to greatly reduce chromatic and spherical aberrations for improved clarity and sharpness. Complementing the optics, this lens is also characterized by its durable, weather-sealed physical design, along with a fast autofocus system, versatile focusing clutch design, and a stepless, de-clicked aperture ring to suit video applications.

Wide-to-normal zoom is designed for Micro Four Thirds mirrorless cameras and offers a 20-50mm equivalent focal length range.
Impressively bright f/1,7 constant maximum aperture excels in low-light conditions throughout the zoom range and also offers improved depth of field control.
Three aspherical elements, four extra-low dispersion elements, and one ultra high-refractive index element all combine to suppress color fringing, chromatic aberrations, and spherical aberrations for high clarity, sharpness, and color accuracy.
Fast 240 fps autofocus drive, along with an internal focusing system, delivers smooth, accurate, and quiet focusing performance to benefit both stills and video applications. Additionally, a focus clutch mechanism delivers especially quick AF/MF switching.
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.
Rounded nine-blade diaphragm contributes to a smooth and pleasing bokeh quality.
UPC: 885170366572
Chiaro Pro 77mm 98-UVATS UV Filter

The Pro 77mm 98-UVATS UV Filter is one of Chiaro’s highest-rated protective UV filters with 98% light transmission. It’s ideal for photographers of all levels who demand high-quality glass and other essential features for excellent image fidelity and construction.

To achieve 98% light transmission, Chiaro uses highly-polished optical glass, multi-coating, and additional advanced elements that improve the filter’s light transmission. A scratch-resistant coating minimizes scratching of the glass and helps assure that water, oil, dust, and fingerprints are removed with a gentle wipe. Its hard-anodized aluminum filter ring is designed to screw on and off effortlessly, and it is thin to prevent vignetting when used with wide-angle lenses. Side knurling helps assure that you’ll have a firm grip when attaching or removing your filter.

Image quality is what matters most at Chiaro. The company has tested and combined many features and essentials to achieve superior image quality and the highest light transmission. To help take the confusion out of selecting a filter, Chiaro prominently displays the light transmission levels so that you can choose the perfect filter for your lens and photo session.

98% Light Transmission
Protecting your lens doesn't mean you have to lose optical quality. By using highly-polished optical glass and advanced coatings, Chiaro offers a 98% transmission rate, which is an excellent transmission rate for glass. And the company verifies the ratings with ISO certified lab testing.
Resistance Coating
The layers of advanced resistance coating on the filter are designed to resist moderate scratches, and allow you to easily clean your filter. Water beads up and rolls off your filter, and oil and fingerprints can come off with a gentle wipe. Dust and debris won't adhere to the filter and can be removed with a puff of air.
Polished Optical Glass
Glass that's polished to perfection is essential to achieve a high level of light transmission. The optical glass in this Chiaro filter is highly-polished for flatness that ensures excellent optical clarity.
Multi-Coating
Multi-coating enhances light transmission to the demanding level set for all Chiaro filters. It reduces unwanted internal reflections and ghosting that can compromise your images.
UV Protection
The filter blocks UV light and reduces the bluish cast of daylight that can affect color accuracy, especially at higher altitudes.
Hard Anodized Aluminum Construction
The process of hard anodizing toughens and strengthens the aluminum for a lightweight yet durable filter ring.
Slim Design
Measuring only 3.2mm, this filter is slim enough to use on wide-angle lenses without experiencing vignetting.
Top and Side Knurling
In addition to top knurling, Chiaro added side knurling to better grip the filter when you're attaching and removing it, or when you're stacking filters.
Secure Attachment
It takes two full turns to mount the filter on your lens. This feature will securely hold your Chiaro filter through the most demanding photo shoots.
Front Threads
The front threads on the filter allow you to stack filters by screwing them onto your Chiaro filter.
UPC: 847628593527
Kit Contains:

Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 ASPH. Lens

Focal Length
10 to 25mm (35mm Equivalent: 20 to 50mm)
Aperture
Maximum: f/1.7
Minimum: f/16
Lens Mount
Micro Four Thirds
Lens Format Coverage
Micro Four Thirds
Angle of View
94° to 47°
Minimum Focus Distance
11.02" / 28 cm
Magnification
1:7 Macro Reproduction Ratio
0.14x Magnification
Optical Design
17 Elements in 12 Groups
Aperture/Iris Blades
9, Rounded
Focus Type
Autofocus
Image Stabilization
No
Filter Size
77 mm (Front)
Dimensions
ø: 3.45 x L: 5.04" / ø: 87.6 x L: 128 mm
Weight
1.52 lb / 690 g
Packaging Info
Package Weight
2.645 lb
Box Dimensions (LxWxH)
10.1 x 5.6 x 5.5"

Panasonic Leica DG Vario-Summilux 10-25mm f/1... Reviews

Perfect for low light & bokeh

By Edward
Rated 5 out of 5
Date: 2026-05-11

I purchased this f 1.7 lens for action sports under low light conditions : indoor swim / diving competitions; indoor track events, etc. Hand held panning images were surprising sharp without the benifit of image stabilization. It will become my primary go to lens most of the time along with the companion 25 - 50 mm f1.7 in my camera bag.

Super Clean

By D'Andre
Rated 5 out of 5
Date: 2024-02-27

Great look, must learn how to rack focus for ultimate performance

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