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OM SYSTEM M.Zuiko Digital ED 40-150mm f/4 PRO Lens

The OM System 40-150mm f/4 PRO is a 40–150mm f/4 lens designed for Micro Four Thirds mount cameras. Used copies start from $650 on GearFocus, with buyer protection on every purchase.

OM SYSTEM M.Zuiko Digital ED 40-150mm f/4 PRO Lens

OM SYSTEM M.Zuiko Digital ED 40-150mm f/4 PRO Lens

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OM Systems 40-150mm f/4 PRO

Condition: Excellent

Product Highlights

  • Telephoto Zoom Lens for Micro Four Thirds
  • Constant f/4 Aperture
  • Weather-Sealed Construction
  • Compact and Lightweight Design

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Used OM System 40-150mm f/4 PRO Listings on GearFocus

OM Systems 40-150mm f/4 PRO
OM Systems 40-150mm f/4 PRO

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$650.00

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Lens Overview — OM System 40-150mm f/4 PRO

The OM System M.Zuiko Digital ED 40-150mm f/4 PRO is a telephoto zoom lens built for the Micro Four Thirds mirrorless system. Covering a focal length range of 40mm to 150mm, it sits firmly in telephoto territory and is well-suited to subjects like portraits, sports, and wildlife. The constant f/4 maximum aperture across the entire zoom range is a practical advantage for photographers who need predictable exposure settings as they zoom in and out.

Designed specifically for Micro Four Thirds mirrorless cameras, it connects via the Micro Four Thirds mount and is compatible with the broad ecosystem of MFT bodies available today. The lens accepts 62mm filters, giving users a straightforward path to adding ND, polarizing, or UV glass. Weighing just 382 grams, this is a notably compact and lightweight option for a telephoto zoom in the PRO lineup, making it easy to carry for extended shoots or travel.

Both autofocus and manual focus modes are supported, providing flexibility for a range of shooting styles. The lens carries no built-in image stabilization, so users will want to rely on in-body stabilization when shooting in lower light or at slower shutter speeds.

Key Features — OM System 40-150mm f/4 PRO

80-300mm Full-Frame Equivalent: The 40-150mm focal length translates to an 80-300mm field of view on Micro Four Thirds, covering portraits through distant wildlife in a single lens.

Constant f/4 Aperture: Maximum aperture stays fixed at f/4 throughout the entire zoom range, keeping exposure settings consistent as you reframe your shot.

PRO-Series Build Quality: OM System's PRO designation indicates weather sealing and construction standards designed for professional use in varied conditions.

Compact Telephoto Design: At just 382g, this is one of the lightest telephoto PRO zooms available for any system, making it practical for travel and all-day shooting.

Micro Four Thirds Mount: Natively compatible with the full range of MFT mirrorless bodies from OM System and Panasonic, past and present.

High-Speed Autofocus: Supports fast, accurate autofocus well-suited to tracking moving subjects like birds, athletes, and wildlife.

Lens Specifications — OM System 40-150mm f/4 PRO

OM System 40-150mm f/4 PRO full specifications
SpecDetail
Use CasesPortrait, Wildlife, Sports, Travel
Lens TypeZoom
FormatMicro Four Thirds (MFT)
Zoom/PrimeZoom
Focal Length40–150mm
Maximum Aperturef/4
Camera SystemMirrorless
Lens MountMicro Four Thirds
AutofocusYes
Focus TypeAuto, Manual
Image StabilizationNone
Filter Thread62mm

Description — OM System 40-150mm f/4 PRO

The OM System M.Zuiko Digital ED 40-150mm f/4 PRO is a Micro Four Thirds telephoto zoom lens designed for mirrorless camera systems. It covers a 40-150mm focal length range — placing it squarely in telephoto territory — and maintains a constant f/4 maximum aperture throughout that range, delivering consistent exposure regardless of zoom position. Both autofocus and manual focus are supported, offering versatility across different shooting styles and subjects.

At just 382 grams, the lens is impressively light for a PRO-grade telephoto zoom, reducing fatigue during longer sessions in the field or while travelling. The 62mm filter thread is a practical standard size that gives users easy access to a wide variety of compatible filters. The lens uses a Micro Four Thirds mount, making it a dedicated option for the MFT ecosystem.

Note that this lens does not include built-in image stabilization, so pairing it with an IBIS-equipped body is recommended for handheld shooting in challenging conditions.

Pros — OM System 40-150mm f/4 PRO

  • ✓Constant f/4 maximum aperture across the full 40-150mm zoom range ensures consistent exposure throughout
  • ✓Lightweight at just 382g, making it highly portable for a telephoto PRO zoom
  • ✓Wide focal length range of 40-150mm covers versatile telephoto shooting scenarios

Cons — OM System 40-150mm f/4 PRO

  • ✗No built-in image stabilization, requiring reliance on in-body stabilization systems
  • ✗Maximum aperture of f/4 is not as light-gathering as f/2.8 alternatives, which may limit low-light performance
  • ✗Micro Four Thirds format limits the lens to MFT-system cameras exclusively

Reviews — OM System 40-150mm f/4 PRO

Videos — OM System 40-150mm f/4 PRO

OM System 40-150mm F4 Pro Review — DPReview TV

Resources & Downloads — OM System 40-150mm f/4 PRO

Manuals & Guides

Frequently Asked Questions — OM System 40-150mm f/4 PRO

What cameras is this lens compatible with?+
This lens uses a Micro Four Thirds mount and is designed for Micro Four Thirds mirrorless camera systems. It is compatible with any camera body that accepts the Micro Four Thirds mount standard.
Does this lens have image stabilization?+
No, this lens does not include built-in image stabilization. Photographers who need stabilization will need to use a camera body with in-body image stabilization (IBIS).
What is the filter thread size for this lens?+
The lens has a 62mm filter thread, which is a widely available size compatible with a broad range of screw-on filters including polarizers and ND filters.
Is the aperture constant throughout the zoom range?+
Yes, the lens maintains a constant maximum aperture of f/4 across its full 40-150mm focal length range. This means your exposure settings remain consistent whether you are shooting at 40mm or 150mm.
How heavy is this lens?+
The lens weighs 382 grams, which is relatively lightweight for a telephoto zoom, making it a practical choice for travel or extended handheld use.
Can I use manual focus with this lens?+
Yes, the lens supports both autofocus and manual focus modes, giving you the flexibility to switch between them depending on your shooting situation.

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