Panasonic LUMIX G 4S043K 42.5mm F1.7 ASPH Lens Review

This mirrorless micro four-thirds camera was intended to make use of the high-quality capabilities of the Panasonic LUMIX G 4S043K 42.5mm F1.7 ASPH Lens. This lens is a versatile alternative for photographers who want to create gorgeous photographs with great clarity and detail.

Its performance is impressive, and it comes equipped with a number of sophisticated capabilities. It doesn’t matter if you’re shooting portraits, landscapes, or ordinary situations; the LUMIX G 4S043K provides great results in all of these categories, which is why it’s such a popular option among photography experts as well as amateurs.

Key Specs

  • Focal Length: 42.5mm
  • 35mm Equivalent Focal Length: 85mm
  • Maximum Aperture: F1.7
  • Minimum Aperture: F22
  • Lens Construction: 10 elements in 8 groups
  • Special Elements: 2 aspherical elements
  • Aperture Blades: 7
  • Minimum Focus Distance: 0.31m (1.02ft)
  • Maximum Magnification: Approx. 0.2x
  • Image Stabilization: No
  • Autofocus: Yes
  • Filter Diameter: 37mm
  • Dimensions (DxL): 55.5mm x 50mm (2.19″ x 1.97″)
  • Weight: Approx. 130g (0.29lb)
  • Mount Compatibility: Micro Four Thirds
  • Included Accessories: Lens Cap, Lens Rear Cap


The LUMIX G 4S043K lens delivers genuinely remarkable results in terms of its performance. Its quick maximum aperture of F1.7 enables outstanding low-light performance, allowing you to shoot photographs that are clear and well-exposed even in difficult lighting settings.

The lens also features a high-quality design with aspherical elements, which helps to minimize a variety of aberrations like distortion and chromatic aberration. The end result is a picture that is of superior quality over the entirety of the frame.

Autofocus System

Because the autofocus technology of the LUMIX G 4S043K lens is both rapid and precise, it ensures that you will be able to swiftly and accurately focus on the subject of your photograph. This lens makes use of a high-speed stepping motor, which enables smooth and silent autofocus operation.

As a result, the lens is suitable for photography as well as video recording. The lens provides dependable and constant performance, regardless matter whether you are photographing subjects that are moving quickly or shooting in a mode that utilizes continuous autofocus.

Vibration Reduction

Because the LUMIX G 4S043K lens incorporates optical image stabilization, it enables you to take photographs that are crisp even when shooting handheld or in low-light conditions. The camera shaking is successfully compensated for by the image stabilization technology, which results in a blur that is reduced and results that are sharp and clear.

When shooting at wider focal lengths or filming video footage, this function is very helpful since it provides additional stability and smoothness to your recordings.

Build Quality

The LUMIX G 4S043K lens has an outstanding build quality, with a sturdy design that is both long-lasting and dependable. Additionally, the build quality is good. The lens has been constructed to resist the demands of professional use, and it has weather-sealing to guard against dust and moisture.

The lens has a luxury feel to it thanks to the metal lens barrel, which also provides added durability, making it a trusted partner for shooting outside in a variety of environments.

Handling and Ergonomics

Because of its little size and low weight, the LUMIX G 4S043K lens offers a pleasant handling experience and is simple to operate. Because of its size and weight, it is an ideal companion for trip photography as well as photography used in everyday life. This makes it possible for you to capture moments.

In addition, the lens has a manual focus ring that rotates smoothly and provides fine control over the focus changes, as well as a specialized aperture ring that enables easy control over the exposure settings. The lens, on the whole, features an ergonomic design that makes for a more pleasant experience when shooting.

Image Stabilization

The LUMIX G 4S043K lens contains Panasonic’s superior image stabilization technology. This technology helps to eliminate the impacts of camera shake, which ultimately results in photos that are sharper and more stable.

You may shoot confidently with a handheld camera thanks to the optical image stabilization feature of the lens, which adjusts for both little and significant camera shake. The image stabilization feature guarantees that your photographs are crisp and clear, free from any unwanted blur, regardless of whether you are recording movies or taking still images with the camera.

Shooting Experience

The experience of taking photos with the LUMIX G 4S043K lens is one that is quite delightful. You’ll have no trouble taking photographs that are both crisp and well-focused thanks to the lens’s outstanding image stabilization, which works in conjunction with the lens’s quick and precise focusing. The large maximum aperture of F1.7 enables a variety of inventive depth-of-field effects, with a bokeh that is silky smooth and aesthetically beautiful.

Because of the lens’s adaptable focal length of 42.5 millimeters, it may be used for a wide variety of photographic applications, such as portraiture, street photography, and even close-range photography. In general, the LUMIX G 4S043K lens offers a satisfying experience for photographers because of its remarkable performance and dependable construction.

Image Quality

Because of its sophisticated optical design and parts made of high-quality glass, the LUMIX G 4S043K lens is capable of producing images of exceptional quality. Images created by this lens are crisp and detailed, and they have good contrast and color reproduction. Because of its large maximum aperture of F1.7, it can produce a stunning blur effect in the background and perform admirably in low light.

Aspherical elements used in the manufacturing of the lens help to reduce a variety of aberrations, ensuring that the image is crisp and clear from edge to edge. The LUMIX G 4S043K lens provides consistently amazing image quality, whatever the style of photography you’re taking with it, be it portraiture, landscapes, or something else entirely.

Teleconverter Compatibility

It is possible to attach teleconverters to the LUMIX G 4S043K lens, which will allow you to increase its range further and broaden its use. You may effectively expand the focal length of the lens by connecting a teleconverter to it. This will make it easier for you to photograph subjects that are at a greater distance.

This capability is especially helpful for wildlife and sports photography, both of which require the photographer to be able to approach somewhat near to the subject of their shot. The lens’s ability to work with teleconverters gives it increased versatility and makes it an invaluable resource for photographers who demand a greater range of motion in their shots.

Comparison with Competitors

When compared to other lenses in its class, the LUMIX G 4S043K lens stands out from the crowd because of its superior performance and excellent build quality. Because of its quick maximum aperture, dependable autofocus mechanism, and picture stabilization, this lens is a formidable rival in the market for micro four-thirds lenses.

It is possible for photographers to capture a wide variety of scenes with great results with this lens, which has exceptional picture quality and a varied focal length. These features further increase the lens’ attractiveness. In addition, the fact that the lens is compatible with teleconverters offers it an advantage over some of its rivals. This advantage provides additional versatility for photographers who require a longer reach.


Focal Length42.5mm
35mm Equivalent Focal Length85mm
Maximum ApertureF1.7
Minimum ApertureF22
Lens Construction10 elements in 8 groups
Special Elements2 aspherical elements
Aperture Blades7
Minimum Focus Distance0.31m (1.02ft)
Maximum MagnificationApprox. 0.2x
Image StabilizationNo
Filter Diameter37mm
Dimensions (DxL)55.5mm x 50mm (2.19″ x 1.97″)
WeightApprox. 130g (0.29lb)
Mount CompatibilityMicro Four Thirds
Included AccessoriesLens Cap, Lens Rear Cap

Pros and Cons

The LUMIX G 4S043K lens has a number of noteworthy advantages. Its quick maximum aperture of F1.7 enables great performance even in low light and provides creative control over the depth of focus. The autofocus function of the lens is quick, accurate, and completely silent, which allows for fine focus in a variety of shooting settings.

The in-camera image stabilization corrects for blur caused by camera shake, resulting in photographs that are clear and unshaken. The lens has excellent build quality, with weather-sealing and sturdy metal construction to round out the package. In addition, the fact that it is so small and has such a lightweight design makes it extremely portable and practical for day-to-day use.

Price and Availability

When taking into account its remarkable performance and feature set, the Panasonic LUMIX G 4S043K 42.5mm F1.7 ASPH Lens has pricing that is comparable to other lenses in its class. The lens provides results of a professional standard at a more inexpensive range when compared to some of the higher-end alternatives available.

The lens gives outstanding value for the money. The lens may be purchased from a wide variety of sources, including authorized Panasonic dealers as well as online shops that give convenient access to the shopping experience.


In conclusion, the Panasonic LUMIX G 4S043K 42.5mm F1.7 ASPH Lens is a top-tier lens for micro four-thirds cameras, giving a great performance, build quality, and picture quality. It has a maximum aperture of 1.7. Because of its quick maximum aperture, dependable autofocus, and image stabilization technology, it is a flexible instrument that can be used for many different types of photography.

It is extremely portable and practical for use in day-to-day life because of its small size and design which makes it lightweight. Photographers looking for a high-quality lens to use with their micro four-thirds system are encouraged to give serious consideration to purchasing the LUMIX G 4S043K lens since it provides exceptional value for the money and comes highly recommended.

Panasonic LUMIX G 4S043K 42.5mm F1.7 ASPH Lens FAQs

Q. Is the Panasonic LUMIX G 4S043K 42.5mm F1.7 ASPH Lens compatible with all micro four-thirds cameras?
A. Yes, the lens is designed specifically for micro four-thirds cameras and is compatible with any camera that utilizes this lens mount.
Q. Does the Panasonic LUMIX G 4S043K lens have image stabilization?
A. No, this lens does not have built-in optical image stabilization. However, some micro four-thirds cameras have in-body image stabilization, which can still provide stabilization when used with this lens.
Q. Can I use filters with the Panasonic LUMIX G 4S043K lens?
A. Yes, the lens has a filter diameter of 37mm, allowing you to attach various filters such as UV, polarizing, or ND filters to enhance your photography.
Q. What is the minimum focus distance of the Panasonic LUMIX G 4S043K lens?
A. The lens has a minimum focus distance of 0.31m (1.02ft), which allows you to get relatively close to your subject for detailed close-up shots.
Q. Does the Panasonic LUMIX G 4S043K lens have weather-sealing?
A. The lens does not have specific weather-sealing features. However, it is always recommended to use caution and protect your equipment from extreme weather conditions to ensure its longevity and performance.

We will be happy to hear your thoughts

Leave a reply

Compare items
  • Cameras (0)
  • Phones (0)