OM SYSTEM M.Zuiko Digital ED 45mm f/1.2 PRO Lens (Micro Four Thirds)

OM System
Product # OLD1043MFR #V335290BW000
OM System
Product # OLD1043MFR #V335290BW000
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OM SYSTEM M.Zuiko Digital ED 45mm f/1.2 PRO Lens (Micro Four Thirds)
OM SYSTEM M.Zuiko Digital ED 45mm f/1.2 PRO Lens (Micro Four Thirds) 0
OM SYSTEM M.Zuiko Digital ED 45mm f/1.2 PRO Lens (Micro Four Thirds) 1
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Key Features

  • Bright f/1.2 maximum aperture delivers excellent low-light performance and beautifully smooth background blur.
  • 45mm focal length on Micro Four Thirds provides a flattering 90mm full-frame equivalent perspective ideal for portraits.
  • Advanced 14-element, 10-group optical design helps produce sharp detail, rich contrast, and minimized aberrations.
  • Fast Auto/Manual focus operation supports precise subject isolation for stills and controlled focus adjustments for video.
  • Rugged PRO-series construction with compact dimensions balances premium image quality with everyday portability.
  • 9-blade circular diaphragm enhances natural-looking bokeh and pleasing out-of-focus highlights.
$1,499.99$1,599.99
You save $100.00
In Stock
On display in Fairfield & Philadelphia — come try it
30-day returns
See policy
Pay over time
PayPal at checkout
Ask an expert
1-800-631-0300
Trade in gear
Credit toward this
Have any questions?1-800-631-0300

OVERVIEW

The OM SYSTEM M.Zuiko Digital ED 45mm f/1.2 PRO Lens is a premium short-telephoto prime designed for Micro Four Thirds photographers who want exceptional portrait performance, strong low-light capability, and refined optical character. With its 45mm focal length delivering a 90mm equivalent field of view in full-frame terms, this lens sits in a classic portrait range that flatters facial features, compresses perspective naturally, and makes it easy to isolate a subject from the background.

Compatible With

  • OM SYSTEM / Olympus Micro Four Thirds camera bodies
  • Panasonic Lumix G Micro Four Thirds camera bodies
  • Popular compatible series include OM-D, PEN, and Lumix GH/GX/G/GF models

Fast f/1.2 Aperture for Subject Isolation

The standout feature of this lens is its bright f/1.2 maximum aperture. It allows photographers to shoot in lower light with faster shutter speeds or lower ISO settings, while also creating the shallow depth of field and creamy background blur portrait shooters love. Whether you are working with natural window light, golden hour illumination, or dim indoor scenes, the large aperture helps maintain image quality and creative control.

Portrait-Friendly 90mm Equivalent View

On a Micro Four Thirds camera, the 45mm focal length behaves like a 90mm lens on full frame, making it especially well suited for portraits, headshots, detail shots, stage work, and selective composition. This angle of view helps separate your subject from distracting backgrounds while preserving a comfortable working distance between photographer and subject.

PRO-Series Optical Performance

The lens features a sophisticated optical design with 14 elements in 10 groups, engineered to deliver sharpness, contrast, and attractive rendering even at wide apertures. This level of correction is especially important in a fast lens, where photographers expect both strong center detail and pleasing edge performance. The optical formula is designed to reduce aberrations and preserve clarity, making the lens a strong choice not only for portraits but also for events, weddings, and artistic close-range work.

Beautiful Bokeh and Natural Rendering

Its 9-blade diaphragm contributes to smooth, rounded out-of-focus highlights and a more organic bokeh character. This is one of the main reasons portrait photographers gravitate toward premium fast primes like this one. Backgrounds melt away gently, helping subjects stand out without producing harsh or distracting blur patterns.

Fast and Flexible Focusing

The lens supports both autofocus and manual focus operation, giving users the convenience of quick subject acquisition alongside tactile creative control. Autofocus is useful for portraits, events, and candid work, while manual focus can be valuable for carefully composed stills, video use, and fine focus adjustments when working at very shallow depth of field.

Close Focusing for Detail Work

With a minimum focus distance of 1.64 feet (50 cm) and a maximum magnification of 0.1x, equivalent to 0.2x in 35mm terms, the lens can also handle tighter compositions of details, hands, accessories, food, flowers, and small product subjects. While it is not a dedicated macro lens, it offers enough close-focusing ability to expand its usefulness beyond traditional portraiture.

Built for Serious Use

As part of the PRO lineup, this lens is built for demanding enthusiasts and professionals who expect dependable handling and premium construction. Measuring approximately 70 x 84.9 mm and weighing 410 g, it offers a substantial but still portable feel that pairs well with higher-end Micro Four Thirds bodies. The size and weight help balance the fast aperture and advanced optics while remaining easier to carry than many full-frame portrait lenses with similar brightness.

How It Compares

Compared with slower portrait lenses, the 45mm f/1.2 PRO gives you more control over depth of field and stronger low-light performance. Compared with zoom lenses covering a similar focal length, it offers a brighter aperture, more pronounced background separation, and often a more refined rendering style. Compared with larger full-frame 85mm or 90mm f/1.4-class portrait lenses, it can deliver a compelling blend of premium image quality and a more travel-friendly system size.

Best Uses

This lens excels for portraits, weddings, engagement sessions, event coverage, fashion details, editorial work, available-light photography, interviews, and selective everyday shooting. It is especially attractive for photographers who want high-end subject rendering in a compact interchangeable-lens system.

Recommended Accessories

To get the most from this lens, consider adding 62mm protective or UV filters, circular polarizers for outdoor portrait and travel shooting, neutral density filters for wide-aperture work in bright light, a dedicated lens cleaning kit, a padded lens case, and a stable camera strap or bag for transport. Photographers working in portrait and event settings may also pair it with an external flash, LED lighting, or a sturdy monopod depending on shooting style.

System and Design Context

The M.Zuiko PRO series was developed to show how the Micro Four Thirds format can deliver professional-grade optics in a smaller, more agile ecosystem. Lenses like the 45mm f/1.2 PRO reflect that philosophy by combining bright apertures, advanced optical engineering, and field-friendly dimensions. For photographers who prioritize mobility but do not want to compromise on rendering quality, it remains one of the standout portrait options in the system.

Why Choose the OM SYSTEM M.Zuiko Digital ED 45mm f/1.2 PRO Lens

If your goal is to create expressive portraits with strong subject separation, beautiful bokeh, and premium optical quality, this lens is one of the most compelling choices in the Micro Four Thirds world. Its classic equivalent focal length, bright aperture, and PRO-grade design make it a powerful creative tool for both dedicated portrait specialists and hybrid shooters who need a reliable premium prime.
OM SYSTEM M.Zuiko Digital ED 45mm f/1.2 PRO Lens (Micro Four Thirds)
OM SYSTEM M.Zuiko Digital ED 45mm f/1.2 PRO Lens (Micro Four Thirds)
In Stock
$1,499.99$1,599.99
In Stock
In Stock