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OM SYSTEM Olympus M.Zuiko Digital 40- vs Rokinon

Updated July 2026 — OM SYSTEM Olympus M.Zuiko Digital 40- wins on zoom and portability, Rokinon wins on weight and durability.

The OM SYSTEM lens offers versatility and portability at a lower price, while the Rokinon lens excels in wide-angle performance and low-light capabilities.

Why OM SYSTEM Olympus M.Zuiko Digital 40- is better

Price

OM SYSTEM lens is cheaper by 24%

Zoom

OM SYSTEM lens has a 3.75x zoom capability

Weight

OM SYSTEM lens is lighter and more portable

Why Rokinon is better

Aperture

Rokinon lens has a faster maximum aperture of f/2.8

Image Quality

Rokinon lens minimizes distortion and aberrations

Wide Angle

Rokinon lens offers a 115.7° angle of view

Overall score

OM SYSTEM Olympus M.Zuiko Digital 40-
75
Rokinon
85

Specifications

SpecOM SYSTEM Olympus M.Zuiko Digital 40-Rokinon
Focal Length40-150mm14mm
Max ApertureF4-5.6F2.8
Angle of View30-8.2°115.7°
Image QualityGoodExcellent
Focus TypeAutoManual

Dimension comparison

OM SYSTEM Olympus M.Zuiko Digital 40-Rokinon

Overview of the Lenses

When comparing the OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R Silver and the Rokinon 14mm f/2.8 IF ED Super Lens, it's clear that these lenses cater to different photographic needs. The Olympus lens, priced at $175.99, is designed for versatility with its 3.75x zoom capability, while the Rokinon lens, costing $231.25, offers a wide-angle perspective ideal for landscapes and astrophotography. Each lens has unique features that may appeal to different types of photographers.

Focal Length and Versatility

The OM SYSTEM lens features a focal length of 40-150mm, making it suitable for a variety of shooting scenarios, from portraits to landscapes. This range allows photographers to capture subjects at different distances without needing to switch lenses frequently. In contrast, the Rokinon lens has a fixed focal length of 14mm, providing an ultra-wide perspective with a significant 115.7° angle of view. This makes the Rokinon ideal for capturing expansive landscapes or real estate photography, but it lacks the versatility of the zoom capabilities found in the Olympus lens.

Aperture and Low-Light Performance

The maximum aperture of the OM SYSTEM lens ranges from F4 to F5.6, which is decent for everyday photography but may limit performance in low-light conditions. On the other hand, the Rokinon lens boasts a faster maximum aperture of F2.8, allowing for better low-light performance. This feature enables photographers to capture brighter images in challenging environments, making the Rokinon a more suitable choice for night photography or indoor settings where lighting is not optimal.

Build Quality and Design

In terms of design, both lenses offer different advantages. The OM SYSTEM lens is lightweight and portable, perfect for photographers on the go who require a versatile lens without the extra bulk. Meanwhile, the Rokinon lens is constructed with a robust design that weighs 31.7oz, which may provide a sense of durability but could be cumbersome for extended handheld use. The Rokinon's build quality is aimed at professional use, ensuring longevity in various shooting conditions, while the Olympus lens prioritizes ease of transport.

Image Quality and Optical Performance

Both lenses are designed to deliver high image quality, but they achieve this in different ways. The OM SYSTEM lens features High-Speed Imager AF (MSC) for quick and accurate focusing, ideal for capturing fleeting moments. The Rokinon lens, however, incorporates advanced optical design with 14 elements in 10 groups. This design minimizes distortion and aberrations, ensuring sharp and clear images across the entire frame. The Rokinon's optical capabilities are particularly beneficial for landscape and astrophotography, where detail and clarity are paramount.

Target Audience and Use Cases

The OM SYSTEM lens is tailored for photographers who value versatility and portability. Its zoom capability makes it suitable for a wide array of photography styles, from travel to casual portraits. Conversely, the Rokinon lens targets photographers who specialize in landscapes, architecture, and astrophotography, where a wide-angle view is essential. The choice between these lenses ultimately depends on the specific photographic needs and preferences of the user.

Price Comparison

The OM SYSTEM lens is priced at $175.99, making it about 24% cheaper than the Rokinon lens, which retails for $231.25. This price difference may be a significant factor for budget-conscious photographers or those who are just starting out and require a versatile lens without breaking the bank. The Rokinon, while more expensive, offers features that may justify the higher price for professionals seeking superior optical performance.

Which should you buy?

In conclusion, choosing between the OM SYSTEM Olympus M.Zuiko Digital 40-150mm lens and the Rokinon 14mm f/2.8 lens hinges on your photography style and requirements. If you need a versatile, portable lens for various shooting scenarios, the Olympus lens is an excellent choice at a lower price point. However, if your focus is on capturing wide-angle shots with exceptional clarity, especially in low-light conditions, the Rokinon lens, despite its higher cost, may be the better investment.