OM SYSTEM Olympus M.Zuiko Digital 40- vs Tamron 28-
Updated July 2026 — OM SYSTEM Olympus M.Zuiko Digital 40- wins on weight and focal range, Tamron 28- wins on length and aperture.
The Tamron lens offers superior low-light performance and advanced autofocus, making it a better choice for serious photographers, while the Olympus lens is a budget-friendly option for casual use.
Why OM SYSTEM Olympus M.Zuiko Digital 40- is better
Price
The Olympus lens is significantly cheaper.
Weight
The Olympus lens is lighter, making it more portable.
Focal Length
The Olympus lens offers a longer focal length range.
Why Tamron 28- is better
Aperture
The Tamron lens has a faster constant aperture.
Autofocus
The Tamron lens features advanced autofocus technology.
Build Quality
The Tamron lens has moisture-resistant construction.
Overall score
Specifications
| Spec | OM SYSTEM Olympus M.Zuiko Digital 40- | Tamron 28- |
|---|---|---|
| Price | $175.99 | $749.00 |
| Max Aperture | F4-5.6 | F2.8 |
| Min Object Dist. | N/A | 7.1 in |
| Zoom Type | 3.75x | 2.7x |
| Warranty | N/A | 6 years |
Dimension comparison
Overview of the OM SYSTEM Olympus M.Zuiko Lens
The OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R is priced at $175.99, making it a budget-friendly option for Micro Four Thirds system camera users. This lens offers a versatile focal length range of 40-150mm, equivalent to 80-300mm in full-frame terms, enabling photographers to capture a wide variety of subjects, from landscapes to portraits.
Designed for portability, the lens is lightweight and features a maximum aperture of F4-5.6. This aperture range allows for decent low-light performance while maintaining a compact design. Additionally, the lens is equipped with High-Speed Imager AF (MSC) technology, ensuring quick and accurate autofocus, which is particularly advantageous for capturing fast-moving subjects.
Overview of the Tamron 28-75mm Lens
The Tamron 28-75mm F/2.8 Di III VXD G2 is significantly more expensive at $749.00, but it offers a faster constant aperture of F2.8 throughout its zoom range. This feature makes it a superior choice for low-light photography and achieving a shallow depth of field, which is ideal for portraiture or artistic shots.
Weighing in at 19.4 oz and measuring just 4.7 inches long, the lens is compact and easy to handle, making it suitable for daily use. With a minimum object distance of 7.1 inches and a maximum magnification ratio of 1:2.7, it excels in close-up photography, allowing for creative compositions that showcase intricate details.
Build Quality and Design
The OM SYSTEM Olympus lens features a sleek silver design that is not only aesthetically pleasing but also practical for photographers. Its lightweight construction makes it easy to carry for extended periods, catering to the needs of travel photographers or those who prefer a minimalistic gear setup.
On the other hand, the Tamron lens is built with moisture-resistant construction and a fluorine coating, enhancing its durability in various weather conditions. This robustness is crucial for outdoor photographers who may face unpredictable environments. The rubber focusing ring also provides a comfortable grip, ensuring precise adjustments during shooting sessions.
Autofocus Performance
The OM SYSTEM Olympus lens utilizes High-Speed Imager AF technology, which ensures quick and accurate focusing, making it suitable for capturing fast-moving subjects. While specific autofocus speed metrics are not provided, the emphasis on high-speed performance suggests that this lens is capable of meeting the demands of action photography.
Conversely, the Tamron 28-75mm lens features a VXD linear motor that promises fast, quiet, and precise autofocus performance. This capability is particularly beneficial for videographers who require smooth focus transitions without audible noise. The superior autofocus technology in the Tamron lens may make it a better option for those who prioritize video content creation alongside photography.
Versatility in Photography
The OM SYSTEM Olympus lens offers a flexible focal range of 40-150mm, making it suitable for various photography styles such as wildlife, sports, and portrait photography. Its compact size and lightweight design further enhance its versatility, allowing photographers to easily switch between different types of shots without feeling weighed down.
In contrast, the Tamron lens covers a more standard focal range of 28-75mm, which is often regarded as ideal for everyday photography. This lens is particularly effective for street photography, events, and general-purpose shooting. Its constant F2.8 aperture throughout the zoom range allows for creative control in various lighting conditions, making it an attractive option for photographers looking for a reliable all-rounder.
Price Comparison and Value
With a price tag of $175.99, the OM SYSTEM Olympus lens is about 77% cheaper than the Tamron lens, which retails for $749.00. This significant price difference makes the Olympus lens an attractive choice for budget-conscious photographers who still seek quality performance.
However, the Tamron lens offers advanced features that justify its higher price point, such as a faster aperture, superior autofocus technology, and enhanced build quality. For professionals or serious enthusiasts, the investment in the Tamron lens may yield dividends in terms of performance and versatility, particularly in challenging shooting conditions.
User Experience and Warranty
The OM SYSTEM Olympus lens is designed with user-friendliness in mind, making it a great option for both beginners and seasoned photographers. Its lightweight design and straightforward operation facilitate a stress-free shooting experience, allowing users to focus on capturing great images.
In contrast, the Tamron lens comes with a 6-year limited USA warranty, reflecting the brand's confidence in its product's durability and reliability. This extended warranty may provide peace of mind for consumers who rely on their equipment for professional work, ensuring that they are covered in case of any unforeseen issues.
Which should you buy?
Choosing between the OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R and the Tamron 28-75mm F/2.8 Di III VXD G2 largely depends on your specific photography needs and budget. If you're looking for an affordable option that offers decent performance for casual photography, the Olympus lens is a solid choice. However, if you prioritize low-light capability, advanced autofocus, and durability, the Tamron lens represents a worthwhile investment. Ultimately, both lenses have their unique advantages, catering to different types of photographers and shooting scenarios.

