Panasonic LUMIX G VARIO 45- vs Sigma 28-
Updated July 2026 — Panasonic LUMIX G VARIO 45- wins on focal length and stability, Sigma 28- wins on price and build.
The Panasonic LUMIX G VARIO offers great value for casual photographers, while the Sigma 28-70mm excels in professional settings.
Why Panasonic LUMIX G VARIO 45- is better
Price
Panasonic is significantly cheaper at $299.99.
Weight
Panasonic lens is lighter, enhancing portability.
Stability
Panasonic features Mega O.I.S. for better stability.
Why Sigma 28- is better
Aperture
Sigma has a larger aperture of F2.8 for low-light performance.
Build Quality
Sigma offers superior build quality and durability.
Optical Performance
Sigma is based on a renowned Art lens design for exceptional image quality.
Overall score
Specifications
| Spec | Panasonic LUMIX G VARIO 45- | Sigma 28- |
|---|---|---|
| Brand | Panasonic | Sigma |
| Focal Range | 45-150mm | 28-70mm |
| Aperture | F4.0-5.6 | F2.8 |
| Stabilization | Yes | No |
| Weight | Light | Medium |
Dimension comparison
Overview of the Panasonic LUMIX G VARIO 45-150mm and Sigma 28-70mm
The Panasonic LUMIX G VARIO 45-150mm F4.0-5.6 ASPH is priced at $299.99, making it about 65% cheaper than the Sigma 28-70mm F2.8 DG DN, which retails for $859.95. Both lenses cater to different photographic needs and styles, making a direct comparison essential for potential buyers. While the Panasonic lens is designed specifically for Micro Four Thirds cameras, the Sigma lens is compatible with Sony E-mount systems. Understanding their features, performance, and intended use will help you decide which lens fits your photography needs better.
Design and Build Quality
The Sigma 28-70mm boasts superb build quality, highlighted by its lightweight and compact body. It is designed to be portable without compromising on performance, making it ideal for everyday use. On the other hand, the Panasonic LUMIX lens also emphasizes a compact design suitable for mirrorless cameras, which contribute to a lighter setup compared to traditional DSLRs. However, the Panasonic lens features a multi-coated lens element that reduces ghosting and flare, enhancing optical performance. While both lenses are portable, the Sigma offers a more robust design, which may appeal to professionals seeking durability.
Optical Performance
When it comes to optical performance, the Sigma 28-70mm features a large aperture of F2.8, allowing for better low-light photography and more control over depth of field. This lens is based on the highly-acclaimed 24-70mm F2.8 DG DN Art lens, which is known for its exceptional image quality throughout its zoom range. In contrast, the Panasonic LUMIX G VARIO lens has a variable aperture of F4.0-5.6, which may limit its performance in low-light situations compared to the Sigma. However, the Panasonic lens incorporates Mega O.I.S. for improved stability during shooting, making it a strong contender for those who prioritize stability in their images.
Focal Range and Versatility
The Panasonic LUMIX G VARIO has a focal length of 45-150mm, equivalent to 90-300mm on a 35mm camera, providing a versatile medium zoom range suitable for various everyday situations, including portrait and landscape photography. Meanwhile, the Sigma 28-70mm offers a more standard zoom range of 28-70mm, which is excellent for general photography and offers flexibility for capturing a variety of subjects. While both lenses serve their purpose well, the choice will ultimately depend on the focal range you need for your photography style. The Panasonic lens, with its longer reach, may be more suited for those who frequently shoot distant subjects.
Focus and Control Features
The Sigma 28-70mm lens includes a focus mode switch, allowing photographers to easily toggle between autofocus and manual focus. This feature enhances control, especially in situations where precise focus is necessary. The Panasonic LUMIX lens, however, features near-silent focusing thanks to its inner focus system and stepping motor. This capability makes it particularly beneficial for video recording, as it minimizes noise during focus adjustments. Both lenses provide valuable focusing features, but the choice between them may hinge on whether you prioritize video capabilities or quick manual adjustments.
Price Comparison
The price difference between the two lenses is substantial, with the Panasonic LUMIX G VARIO priced at $299.99 compared to the Sigma 28-70mm's $859.95. This makes the Panasonic lens about 65% more affordable than the Sigma. For amateur photographers or those on a budget, the Panasonic lens presents a compelling option without sacrificing essential quality. Conversely, the Sigma lens, while significantly pricier, is positioned as a professional-grade lens that offers superior optical performance and build quality, justifying its higher price point for serious photographers.
Target Audience
The Panasonic LUMIX G VARIO is ideal for enthusiasts and casual photographers looking for a reliable lens that delivers good performance at a more accessible price. Its design is well-suited for those who appreciate the portability of Micro Four Thirds systems. On the other hand, the Sigma 28-70mm is tailored for professional photographers who demand high-quality optics and versatility in their gear. Its large aperture and robust design cater to those who prioritize image quality and are willing to invest more for enhanced performance.
Which should you buy?
In conclusion, choosing between the Panasonic LUMIX G VARIO 45-150mm and the Sigma 28-70mm F2.8 DG DN ultimately depends on your photography needs and budget. If you are looking for an affordable lens with decent optical performance and excellent stability for everyday shooting, the Panasonic lens is the way to go. However, if your focus is on professional-grade quality, low-light capabilities, and superior build, the Sigma lens may be worth the higher investment. Both lenses serve their purpose well, but your specific requirements will determine the best fit for your camera system.

