# OM SYSTEM M.Zuiko 12-40mm F2.8 PRO II Lens

The OM SYSTEM M.Zuiko 12-40mm F2.8 PRO II is a Micro Four Thirds zoom lens with a constant F2.8 designation in its title and listing. Its 12-40mm range suits wide-to-standard framing, while the stated weather-sealed design and manual-focus clutch add useful controls for compatible camera users.

- [Original product page](https://best-deals.pro/product/om-system-m-zuiko-12-40mm-f2-8-pro-ii-lens)
- [View offer](https://best-deals.pro/visit/om-system-m-zuiko-12-40mm-f2-8-pro-ii-lens)
- Market: US
- Language: en-US
- Currency: USD
- Brand: OM SYSTEM
- Model: m.zuiko
- Category: Electronics > Cameras & Photography > Camera Lenses
- Price: 999.99 USD
- Previous price: 1199.99 USD
- Discount: 17%
- Price checked: 2026-11-14T09:35:17.652Z
- Rating: 4.7 / 5
- Reviews: 191

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- 12-40mm zoom covers wide-angle through mid-range telephoto framing, with the listing describing a 24-80mm 35mm-equivalent range.
- Title specifies F2.8, and the manufacturer copy describes the lens as useful in low light.
- Listing identifies autofocus and manual focus, alongside a manual-focus clutch feature.
- Weather-sealed design and fluorine coating are stated features, not independently verified protection ratings.

## Pros

- A 12-40mm range can cover a variety of everyday perspectives without changing lenses.
- Autofocus and manual focus are both listed, and the title calls out an MF clutch.
- The stated fluorine coating and weather-sealed design may appeal to photographers working outdoors.

## Specifications

### Identity
- Brand: OM SYSTEM
- Model: m.zuiko
### Optics and focusing
- Focal length: 12 millimeters
- Maximum focal length: 40
- Lens design: Zoom
- Lens type: Standard
- Focus type: Auto Focus, Manual Focus
- Zoom ratio listed: 3.3x
- Maximum aperture listed: 2.8 millimeters
- Minimum aperture: 22
- Diaphragm blades: 7
- Angle of view: 84.1 degrees
- Lens coating: ZERO \(Zuiko Extra-Low Reflection Optical\) Coating, Flourine
### Compatibility and protection
- Mount: Micro Four Thirds
- Compatible devices: Mirrorless Camera
- Water resistance listed: Water Resistant
- Image stabilization listed: Digital
### Other listing details
- Video format listed: MP4
- Weight listed: 381 g
- Filter size listed: 6.2 centimeters
- Color: Black

## Before you buy

- Listing details are inconsistent: the title and manufacturer description identify a 12-40mm F2.8 PRO II, while the detail fields give conflicting maximum-focal-length, aperture-unit and lens-fixed-focal-length entries, plus a digital stabilization claim. Treat these detail-field specifications as unconfirmed and verify the selected listing before purchase. The water-resistance field does not specify a protection rating or operating limits.

## A good fit for

- Micro Four Thirds mirrorless camera owners seeking a general-purpose 12-40mm zoom.
- Photographers who want autofocus with a manual-focus option and clutch.
- Users looking for a wide-to-midrange zoom with a weather-sealed-design claim.

## Less suited to

- Photographers needing a longer telephoto reach than the stated 12-40mm range.
- Buyers who require a documented water-resistance rating or precise stabilization specification.

## Customer feedback

Customer feedback highlights perceived lens quality, image quality and sharpness. For buyers considering the listed 12-40mm zoom and autofocus/manual-focus options, that praise is relevant to image-making, but it does not verify optical performance or settle the inconsistent technical detail fields. Rating distribution is mostly five-star, with a smaller low-star segment, so feedback is not uniformly positive.
- Positive themes: Customers describe the lens as high quality and sharp, with positive comments about image quality.

## Frequently asked questions

### Which camera mount is listed for this lens?
The listing specifies a Micro Four Thirds mount and identifies mirrorless cameras as compatible devices.
### Does it support manual focusing?
Yes. The listed focus types are autofocus and manual focus, and the title also specifies an MF clutch.
### Is the lens weather resistant?
The title claims a weather-sealed design and a detail field says water resistant, but no protection rating or operating limits are given.
### What comes in the package?
The listing supplies a built-in media list that names a lens, hood, caps, wrapping cloth, manual and warranty. Confirm the selected listing's package contents before ordering.

## Alternative options

- [OM SYSTEM Olympus M.Zuiko Digital ED 20mm F1.4 PRO Lens,Black \| Ultra-wide photography with f/1.4 aperture, autofocus and weather sealing](https://best-deals.pro/visit/om-system-m-zuiko-12-40mm-f2-8-pro-ii-lens)
- [OM SYSTEM OM-1 Mark II Mirrorless Camera with M.Zuiko Digital ED 12-40mm F2.8 PRO II Lens, 20.4MP, 4K Video, 5-Axis Image Stabilization, IP53 Weather-Sealed](https://best-deals.pro/visit/om-system-m-zuiko-12-40mm-f2-8-pro-ii-lens)
- [OM SYSTEM Olympus M.Zuiko Digital ED 40-150mm F4.0 PRO for Micro Four Thirds System Camera Compact Powerful Zoom Weather Sealed Design Fluorine Coating](https://best-deals.pro/visit/om-system-m-zuiko-12-40mm-f2-8-pro-ii-lens)
- [OM SYSTEM Olympus M.Zuiko Digital ED 12-45mm F4.0 PRO for Micro Four Thirds System Camera, Compact Lightweight Zoom, Weather Sealed Design, Close-up, L-Fn Button](https://best-deals.pro/visit/om-system-m-zuiko-12-40mm-f2-8-pro-ii-lens)
- [OM SYSTEM Olympus M.Zuiko Digital 17mm F1.8 II for Micro Four Thirds System Camera, Weather Proof, Compact Design, Beautiful Bokeh, Bright](https://best-deals.pro/visit/om-system-m-zuiko-12-40mm-f2-8-pro-ii-lens)
- [OM System M.Zuiko Digital ED 12-40mm F2.8 PRO II for Micro Four Thirds System Camera Weather Sealed Design Fluorine Coating MF Clutch Compact Zoom Lens \(Renewed\)](https://best-deals.pro/visit/om-system-m-zuiko-12-40mm-f2-8-pro-ii-lens)
- [OM SYSTEM OM-1 Mark II Mirrorless Camera Body, 20.4MP Four Thirds, Stacked BSI Sensor, 4K Video, 5-Axis Image Stabilization, IP53 Weather-Sealed](https://best-deals.pro/visit/om-system-m-zuiko-12-40mm-f2-8-pro-ii-lens)
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- [OM SYSTEM OM-3 Silver Mirrorless Camera with M.Zuiko Digital ED 12-45mm F4.0 PRO Lens, 20.4MP, 4K 60p Video, Creative Dial, IP53 Weather-Sealed](https://best-deals.pro/visit/om-system-m-zuiko-12-40mm-f2-8-pro-ii-lens)
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- [OM SYSTEM M.Zuiko 150-600mm f/5-6.3 IS Lens + Filter Kit Bundle \| For Photography & Video + 128GB Memory Card + Card Reader + Cleaning Kit + Hand Strap + Cap Keeper](https://best-deals.pro/visit/om-system-m-zuiko-12-40mm-f2-8-pro-ii-lens)
- [OM SYSTEM Pen Black Mirrorless Camera with M.Zuiko Digital 14-42mm F3.5-5.6 III Lens, 20.4MP, 4K Video, 5-Axis Image Stabilization, Compact Camera](https://best-deals.pro/visit/om-system-m-zuiko-12-40mm-f2-8-pro-ii-lens)

## Add-ons

- [OM SYSTEM OM-3 Silver Mirrorless Camera Body, 20.4MP Four Thirds, 4K 60p Video, Creative Dial, Computational Photography, 5-Axis Image Stabilization, IP53 Weather-Sealed](https://best-deals.pro/visit/om-system-m-zuiko-12-40mm-f2-8-pro-ii-lens)

## Images

![OM SYSTEM M.Zuiko 12-40mm F2.8 PRO II Lens — 1](https://best-deals.pro/i/veQ3K3dL3GDhLLcrSUQcMUZjJVsvidZNCODbWyVv7ZDOkbuViv6XOr0H1xiQcJcl7zw_VZfEgwCAzmbps6mOrRNAzJB1-nEC2bVozUllMX4kEVELIk4_mri5.jpg)

![OM SYSTEM M.Zuiko 12-40mm F2.8 PRO II Lens — 2](https://best-deals.pro/i/aZj5VX46BhrKXXN61vZb9RtToaN0hXsMEClX3C7YRwy6onCxEjwxHggTF8EWicEFdD4T5WKsqsz7GiAz_5apqHUj9ILASfIRDunh-0WI0iVtCNWBCd2H6LKH.jpg)

![OM SYSTEM M.Zuiko 12-40mm F2.8 PRO II Lens — 3](https://best-deals.pro/i/h8i6hylHllRKFgyo0DMlAq41jHTXpJVtMtbtpEID7IL2oE_ZzW9vFAwtHAB-9sJIQlIgvsCDN7nc4pEocvpMQuqxvdjdtxViGKj9ZCpdDFu255CNIaKsHLd6.jpg)

![OM SYSTEM M.Zuiko 12-40mm F2.8 PRO II Lens — 4](https://best-deals.pro/i/F2axM_hRLCjcCab5A9me79GUVQtVL-nk5k8mZArjOIp4NdEgM0Ib6r7HEvItFna6nAl1ruySv8Sg23wDO7ZUPDwOBZl5lehp2_7FqkoVPciOgIHG5Wje7smO.jpg)

![OM SYSTEM M.Zuiko 12-40mm F2.8 PRO II Lens — 5](https://best-deals.pro/i/7HHTz2Ht_PtsSlpnhQzdy7rDMf5BMNIXnWS2_82-gxqyklza2XG5D6ykPCaNygWyC-jnVlWnopfCgbHk3aeHPaF3d3Cmb-dBoXnsElraJpIl_ytSq0dm_lYp.jpg)

![OM SYSTEM M.Zuiko 12-40mm F2.8 PRO II Lens — 6](https://best-deals.pro/i/25Lwh1m4s47wjbT2fQZgncuQY8qUIB7ylAj-bFehqXsDlA7Lm8OrmnNUrrD-RcPOX7GSKFJSAI8K22PQOGUFgZfe1rnEpi-iGdU5PuUvwK3RjcfqL0Nz4Irh.jpg)

![OM SYSTEM M.Zuiko 12-40mm F2.8 PRO II Lens — 7](https://best-deals.pro/i/T9BWJyj3hB1_omTDJ0TwQIiy0Bsna41gi99arYYBkc4PwlC6OIxGr8E31bQ8eH5sDP3pAtQnCD_dJQ40Ou2aVNCNY1Hk2yqG25P3OzHinZdCQ__rCXnpKZik.jpg)