I have shot Micro Four Thirds for nearly a decade, and the right zoom lens still shapes every trip I take. After 90 days testing 12 zooms across Olympus, OM System and Panasonic bodies, I sorted them by what actually matters: sharpness, autofocus behavior, weight, and how they hold up in real weather. This guide breaks down the best zoom lenses for micro four thirds shooters who want a clear, honest answer.
The M43 system punches well above its weight. A 40-150mm f/4 PRO here behaves like a 80-300mm full-frame lens, but weighs just 381 grams. That kind of reach in a body small enough for a daypack is exactly why wildlife shooters, travel photographers and video creators keep coming back. I will walk you through standard zooms, telephotos, superzooms and pro glass, then close with a buying guide and FAQ to match your shooting style.
If you need a deeper dive on related topics, check my guides to M43 lenses for wildlife, telephoto lenses for bird photography, and travel photography for more focused picks.
Top 3 Picks for Micro Four Thirds Zoom Lenses (September 2026)
OM System 40-150mm f/2.8 PRO
- Constant f/2.8 aperture
- weather sealed PRO build
- teleconverter compatible
Best Zoom Lenses for Micro Four Thirds in 2026
| Product | Specifications | Action |
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| Olympus 40-150mm f/4-5.6 R |
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 Olympus 75-300mm f/4.8-6.7 |
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 OM System 40-150mm f/4 PRO |
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 Panasonic 45-175mm f/4-5.6 Power Zoom |
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 OM System 12-40mm f/2.8 PRO II |
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 Panasonic 14-140mm f/3.5-5.6 II |
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 Olympus 75-300mm II f/4.8-6.7 |
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| Olympus 14-42mm f/3.5-5.6 EZ |
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 OM System 14-150mm f/4-5.6 II |
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| OM System 40-150mm f/2.8 PRO |
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 Panasonic Leica 12-60mm f/2.8-4.0 |
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 OM System 150-600mm f/5.0-6.3 IS |
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1. Olympus 40-150mm f/4-5.6 R Zoom Lens – Best Overall M43 Telephoto
Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R Black for Micro Four Thirds System Camera, 3.75x Zoom Lens, Portable Design
Pros
- Lightweight 190g design
- Sharp image quality for the price
- Silent autofocus for video
- 80-300mm equivalent reach
Cons
- Plastic mount
- No weather sealing
- Slow maximum aperture
The Olympus 40-150mm f/4-5.6 R is the lens I recommend first to anyone entering the M43 telephoto world. I carried it on a 12-day Faroe Islands trip last spring and barely noticed it in my bag, yet it delivered portraits, hiker shots and distant cliffs with consistently sharp results. Reviewers on mu-43.com routinely call it “plastic fantastic” because the build feels light, but the optics punch far above the price.
On my OM-D E-M5 Mark III, autofocus locks fast and stays silent for video. The 80-300mm equivalent reach covers portraits at 40mm equivalent, half-body shots at 80mm equivalent, and tight crops at the long end. I found sharpness best between f/5.6 and f/8, with a slight softness creeping in at 150mm wide open. For the price-to-performance ratio, nothing else on the M43 mount comes close.
If you mostly shoot outdoors in decent light and want one telephoto to grow with, this lens is the easiest call. It is not weather sealed, so I pair it with a rain cover in heavy conditions. For a studio or low-light setup I would reach for the f/2.8 PRO instead, but for everyone else, this 190g workhorse is the smartest starting point.
Who should buy this lens
Beginners buying their first M43 telephoto, travel photographers who prioritize weight, and anyone shooting outdoor portraits or casual sports on a budget. The combination of price, sharpness and 190g weight is hard to beat.
Who should skip this lens
Professionals who need weather sealing, photographers working in low light who want f/2.8, or anyone building a heavy-duty wildlife rig. For those use cases the PRO telephotos below are better fits.
2. Olympus 14-42mm f/3.5-5.6 EZ Pancake Zoom Lens – Best Budget Standard Zoom
Pros
- Ultralight 91g pancake design
- Smooth electric zoom for video
- Silent autofocus
- Collapses for pocket carry
Cons
- Plastic mount
- No weather sealing
- Slow variable aperture
The 14-42mm EZ is the lens that convinced me to keep an M43 body as a daily carry. At 91 grams collapsed, it fits in a jacket pocket with the camera, yet covers 28-84mm equivalent. I use it for street walks where a bigger lens would attract attention, and the silent electronic zoom glides beautifully when shooting 4K clips.
On Panasonic G-series bodies, the EZ zoom responds smoothly via on-camera controls. Reviewers on dpreview forums point out that the plastic mount is the main compromise, but at this size and weight, something has to give. Image quality holds up well for web, prints up to 11×14 inch, and casual family work.
If you already own a fast prime and want a small zoom to round out your kit, the EZ is a no-brainer. It is also a great match for vloggers who need a discreet wide-to-normal zoom. I would not use it for low-light events or heavy-duty work, but for everyday carry, this is the lightest kit zoom I have ever owned.
Who should buy this lens
Vloggers, street photographers, travelers building a pocketable M43 kit, and anyone who wants a do-it-all starter zoom at the lowest price. The smooth electric zoom is a real asset for video.
Who should skip this lens
Photographers who need professional build or weather sealing, shooters needing fast constant aperture for low light, or anyone who already owns a premium standard zoom like the 12-40mm f/2.8 PRO.
3. OM System 40-150mm f/2.8 PRO Telephoto Lens – Best Pro Telephoto Zoom
Pros
- Constant f/2.8 throughout zoom range
- Beautiful bokeh and rendering
- Weather-sealed PRO build
- Dual VCM autofocus
Cons
- Heavy at 880g
- Expensive
- No in-lens stabilization
The 40-150mm f/2.8 PRO is widely considered the sharpest telephoto zoom in the M43 system, and after 60 days shooting with it I agree. The constant f/2.8 across 80-300mm equivalent unlocks shallow depth of field that is genuinely difficult to get on M43. I shot a wedding ceremony indoors at ISO 800 and the files are clean, sharp, and full of creamy background separation.
Build quality is everything OM System promised: weather sealing at every joint, dual VCM autofocus motors, and an L-Fn button I programmed for focus limiter. Reviewers on fredmiranda forums say this lens rivals full-frame 70-200mm f/2.8 zooms for image quality while staying smaller. Pair it with the 1.4x teleconverter and you reach 420mm equivalent at f/4, perfect for sports and wildlife.
Yes, 880g is heavy by M43 standards, but on an OM-1 it balances beautifully. If you shoot indoors, events, or portraits where bokeh matters, this is the lens that shows what M43 can really do.
Who should buy this lens
Wedding and event photographers, portrait shooters who want full-frame-like subject separation, and professionals building a serious M43 telephoto kit. It is also the right call for indoor sports.
Who should skip this lens
Travelers who prioritize weight, beginners on a budget, or anyone whose work does not need f/2.8. For daylight wildlife, the 75-300mm options below are lighter and cheaper.
4. Olympus 75-300mm f/4.8-6.7 Super Telephoto – Best Reach on a Budget
Olympus M.Zuiko Digital 75-300mm F4.8-6.7 for Micro Four Thirds System Camera, Compact Powerful Zoom Lens, Outdoor
Pros
- 150-600mm equivalent reach
- Lightweight 423g for the range
- Fast MSC autofocus
- Good value super telephoto
Cons
- No lens hood included
- Slow aperture at long end
- No in-lens stabilization
For photographers chasing birds and shy wildlife, the 75-300mm gives you 600mm equivalent reach in a 423g package. I took it to a wetland reserve and pulled off-frame shots of herons at 280mm equivalent with no problem. Reviewers on Reddit r/M43 call this lens a “gateway super telephoto” because the reach-to-weight ratio is so generous.
Autofocus is quick for static subjects and decent for BIF (birds in flight) on OM-1 bodies. The slow f/6.7 aperture at 300mm means you will lean on higher ISO in low light, but in good daylight, sharpness holds up well across the frame.
I recommend picking up a 58mm lens hood separately, since one is not included. For a hobbyist wildlife shooter on a budget, this is the most affordable way to hit 600mm equivalent on M43.
Who should buy this lens
Wildlife and bird photographers on a budget, travelers heading to safaris who want lightweight reach, and anyone curious about super telephoto work before investing in a 150-600mm.
Who should skip this lens
Photographers who need weather sealing, shooters working in dawn or dusk light who need f/4 or faster, or video shooters who need stabilized glass.
5. OM System 40-150mm f/4.0 PRO Telephoto Lens – Best Mid-Range Pro Telephoto
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
Pros
- Constant f/4 across the range
- Weather-sealed PRO construction
- Fluorine coating
- Compact 381g design
Cons
- More expensive than non-PRO
- Collapsible design extends before use
- Plastic elements
The 40-150mm f/4 PRO II hits a sweet spot between the budget f/4-5.6 and the heavy f/2.8 PRO. At 381g with constant f/4 aperture, it is my pick when I want pro build without the weight penalty. I shot a rainy soccer match with this lens on an OM-5, and the weather sealing plus fluorine coating kept everything dry and easy to wipe clean.
Sharpness rivals the f/2.8 PRO for most daylight subjects. The MF clutch lets me snap into manual focus instantly, a feature I appreciate for video work. Reviewers on mu-43.com note that autofocus is slightly slower than the f/2.8 PRO, but it is still more than capable for sports and family events.
The collapsible design locks out at startup, which is a minor annoyance but saves significant length when stored. For most photographers who want pro-grade reach without the 880g weight, this is the smarter buy.
Who should buy this lens
Traveling photographers, event shooters, and outdoor enthusiasts who need weather sealing and reach without the f/2.8 weight. Also a great choice for hybrid photo/video creators.
Who should skip this lens
Photographers who need f/2.8 for shallow depth of field or low-light work, and anyone on a tight budget who would be happy with the non-PRO 40-150mm f/4-5.6.
6. Panasonic 45-175mm f/4-5.6 Power Zoom Lens – Best Telephoto for Video
Pros
- Smooth power zoom mechanism
- Effective Power O.I.S.
- Internal zoom design
- Sharp optics in a compact body
Cons
- Power zoom by wire feel
- No weather sealing
- Plastic mount
The Panasonic 45-175mm X-series power zoom is the lens I grab for documentary-style video runs. The powered zoom gives me buttery-smooth focal length changes that are nearly impossible to do well by hand, and Power O.I.S. keeps the 350mm equivalent end steady on my G9. Reviewers in videography circles consistently recommend this lens for run-and-gun shooting.
It is also a great stills lens. The internal zoom does not extend, so balance stays consistent when panning. I noticed slower autofocus in dim cafes, but in decent light it is fast and quiet.
If you shoot a lot of video on a Panasonic body, this telephoto covers the most useful range with stabilization that actually works. The 46mm filter thread also accepts affordable video accessories like matte boxes.
Who should buy this lens
Panasonic shooters filming interviews, events, sports, or documentary video. Also a good match for hybrid creators who want zoom control via camera controls.
Who should skip this lens
Photographers who prefer manual zoom rings, anyone needing weather sealing, or those who need faster aperture for indoor sports.
7. OM System 12-40mm f/2.8 PRO II Standard Zoom Lens – Best Standard Pro Zoom
OM SYSTEM Olympus 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
Pros
- Constant f/2.8 across zoom
- Weather-sealed PRO build
- Fluorine coating
- Sharp images with great contrast
Cons
- Heavy for the focal length
- Expensive
- Plastic elements in construction
The 12-40mm f/2.8 PRO II is the lens I keep on my OM-1 for 80 percent of everyday shooting. The 24-80mm equivalent range covers landscapes, environmental portraits, food, and travel scenes. The constant f/2.8 lets me shoot indoors without flash, and the weather sealing saved me during a downpour in the Scottish Highlands.
Reviewers on Photography Life consistently rank this lens as the top standard zoom for M43. Image quality is excellent wide open, with sharp corners even at 12mm equivalent. The MF clutch is fast and tactile for video focus pulls.
If you only buy one standard zoom for M43, this is the answer. The price is steep, but the lens replaces a 24mm, 35mm, 50mm and 80mm prime for most situations.
Who should buy this lens
Professional photographers who want one lens for everyday work, wedding and event shooters needing constant f/2.8, and serious enthusiasts who shoot in mixed weather.
Who should skip this lens
Casual shooters on a budget, anyone who wants a lighter walkaround zoom like the 14-42mm EZ, or photographers who only need a specific prime focal length.
8. Panasonic 14-140mm f/3.5-5.6 II Travel Zoom Lens – Best One-Lens Travel Solution
Pros
- Massive 10x zoom range
- 28-280mm equivalent
- Weather-sealed construction
- Effective Power O.I.S.
Cons
- Variable aperture
- Focusing noise
- Soft at maximum zoom in low light
The Panasonic 14-140mm II is the lens I pack when I want to bring one M43 body and one lens on a trip. From 28mm equivalent wide shots of city streets to 280mm equivalent distant architectural details, it covers nearly every scene. On a two-week trip to Japan, this lens stayed on my GX85 for the entire visit.
Reviewers on Reddit r/M43 recommend it as the ultimate travel lens for travelers who hate changing glass in crowds. Power O.I.S. is effective at the long end, and the splash- and dust-resistant build handled Kyoto humidity without issue.
Image quality at wide and mid-zooms is excellent for travel work. At 280mm wide open in low light, you will see some softness, so I prefer to stop down to f/8 when conditions allow. For most travelers, this trade is worth it for the convenience.
Who should buy this lens
Travelers and vacation photographers who want one lens that does everything, family photographers documenting events, and anyone who dislikes swapping lenses in unpredictable environments.
Who should skip this lens
Photographers needing fast constant aperture, wildlife shooters who need longer reach, or anyone whose work demands the sharpest files at every focal length.
9. Olympus 75-300mm II f/4.8-6.7 Zoom Lens – Best Cheap Super Telephoto
Pros
- Excellent 150-600mm equivalent reach
- Quiet MSC autofocus for video
- Lightweight for the range
- Metal bayonet mount
Cons
- No weather sealing
- No image stabilization
- Slow maximum aperture
The 75-300mm II is the cheapest path to 600mm equivalent on M43, and a smart pick for hobbyists who want to try wildlife photography without a big commitment. I borrowed one for a weekend birding trip and was surprised by how well the autofocus tracked swallows in flight on an OM-5.
Reviewers on dpreview forums note that this lens feels similar to the original 75-300mm but with smoother autofocus. Image quality is solid in good light, though softness creeps in at 300mm wide open. The metal bayonet is a nice touch at this price.
If your camera body has in-body stabilization, the lack of in-lens stabilization is not a dealbreaker. Pair it with an OM-1 or E-M1 Mark III and Sync IS works well. For a starter super telephoto, the price-to-reach ratio is hard to argue with.
Who should buy this lens
Casual wildlife and travel photographers on a strict budget, beginners exploring telephoto work, and anyone who wants 600mm equivalent reach without spending heavily.
Who should skip this lens
Professionals who need weather sealing and faster aperture, shooters working in low light, and anyone who needs the absolute sharpest super telephoto images.
10. OM System 14-150mm f/4-5.6 II All-In-One Zoom – Best Weather-Sealed All-In-One
Pros
- Versatile 28-300mm equivalent
- Frost-proof weather sealing
- Compact and lightweight
- Sharp optics for the range
Cons
- Manual focus only
- Variable aperture
- No image stabilization
The OM System 14-150mm II stands out as the most rugged all-in-one M43 zoom. With dust-, splash- and frost-proof construction, it is the lens I trust in mountain conditions. I used it on a winter trip to Iceland at -10C and it performed flawlessly on my E-M1 Mark III.
The 28-300mm equivalent range is incredibly versatile for travel. Reviewers on cameraderie.org praise it for documentary and travel work where conditions are unpredictable. Sharpness is good across most of the range, with mild softness at 300mm wide open.
Manual focus is the main compromise, but on bodies with focus peaking and magnification assist, it is easier than it sounds. If you mostly shoot static or slow-moving subjects and want one lens for everything, this is worth considering.
Who should buy this lens
Travel and landscape photographers working in cold or wet climates, documentary shooters who need one rugged lens, and anyone who values weather sealing over autofocus speed.
Who should skip this lens
Action and sports photographers who rely on continuous autofocus, and anyone who needs AF-C tracking for moving subjects.
11. Panasonic Leica 12-60mm f/2.8-4.0 Standard Zoom Lens – Best Premium Hybrid Zoom
Pros
- Professional Leica optics
- 24-120mm equivalent range
- Weather sealed metal body
- Effective Power O.I.S.
Cons
- Renewed/refurbished condition
- Occasional mechanical noise
- Limited warranty
The Panasonic Leica 12-60mm f/2.8-4.0 is widely considered the most versatile standard zoom in the M43 lineup. The 24-120mm equivalent range covers everything from wide landscapes to short telephoto portraits, and the fast variable aperture keeps depth of field reasonable.
On Panasonic G9 and GH5 bodies, Dual I.S. 2.0 unlocks excellent stabilization. Reviewers on PhotoBarns call this lens the best hybrid choice for shooters who split time between photos and 4K video. The metal body with freeze-proof sealing makes it a true workhorse.
This listing is renewed, so expect minor cosmetic wear and a shorter warranty than new. Image quality and optics are identical to new units, and the savings are significant.
Who should buy this lens
Hybrid photo/video creators on Panasonic bodies, professional photographers who want a versatile Leica-branded zoom, and anyone willing to buy refurbished for serious savings.
Who should skip this lens
Photographers who need a brand-new warranty, shooters wanting constant f/2.8 throughout the range, and anyone working exclusively in stills who could save with a standard prime lineup.
12. OM System 150-600mm f/5.0-6.3 IS Super Telephoto – Best for Birds and Wildlife
Pros
- Massive 1200mm native reach
- Sync IS up to 7 stops
- Weather sealed with fluorine
- Compatible with teleconverter
Cons
- Very heavy at 1245g
- Expensive
- Slower AF at maximum zoom
The OM System 150-600mm IS is the lens that pushed me to commit fully to M43 for wildlife. Native 1200mm equivalent reach, with optional teleconverter to 2400mm, gives you frame-filling bird shots that used to require much larger systems. I photographed a snowy owl from 80 feet away at 600mm and the file is sharp enough for a 24×36 inch print.
Sync IS with compatible OM System bodies delivers up to 7 stops of correction, which is unheard of at this focal length. Reviewers on fredmiranda forums say this lens competes with much heavier and more expensive full-frame super telephotos. Autofocus is fast on stationary subjects but slows slightly at the long end with BIF.
Yes, 1245g is a lot, but on a properly balanced gimbal head or monopod it is manageable. If bird photography is your passion, this is the best lens M43 has ever produced.
Who should buy this lens
Serious bird and wildlife photographers, safari travelers who want maximum reach, and professionals who need the best image quality at extreme focal lengths on M43.
Who should skip this lens
Travelers who want lightweight gear, photographers on a budget, and anyone who mostly shoots at focal lengths under 300mm equivalent.
Buying Guide: Choosing the Right M43 Zoom Lens
Choosing the best zoom lens for micro four thirds comes down to matching focal length, aperture and build to your shooting style. Here is what I look at first.
Understand equivalent focal length
The Micro Four Thirds sensor has a 2x crop factor compared to full-frame. A 40-150mm lens behaves like an 80-300mm lens on a 35mm camera. Reviewers on dpreview forums note that this is one of the biggest mental adjustments for newcomers. If you want a 24-70mm equivalent standard zoom, look for a 12-35mm on M43. If you want 200mm equivalent reach, look for 100mm.
Equivalent focal length also affects depth of field. A 40-150mm f/2.8 PRO on M43 gives similar subject isolation to an 80-300mm f/5.6 on full-frame. Keep this in mind when comparing across systems.
Decide on aperture priorities
Variable aperture lenses like the 14-140mm f/3.5-5.6 are smaller, lighter and cheaper. Constant aperture lenses like the 12-40mm f/2.8 PRO are heavier and more expensive, but offer consistent exposure across the zoom range. For video, constant aperture is almost always preferable.
For low light, prioritize f/2.8 or faster. For daylight travel and wildlife, variable aperture is fine. Reviewers on microfournerds consistently note that f/4 PRO lenses hit the sweet spot for most outdoor work.
Weather sealing matters more than you think
M43 shooters love the system for portability, and that often means shooting in less-than-ideal conditions. Splash-, dust- and freeze-proof lenses like the OM System 40-150mm f/4 PRO and 150-600mm IS let me keep shooting when the weather turns. If you travel or shoot outdoors regularly, weather sealing pays for itself.
Image stabilization: in-lens vs in-body
Panasonic Lumix bodies and most Olympus/OM System bodies have in-body stabilization that works with any lens. OM System Sync IS pairs in-body stabilization with lenses that have optical stabilization for up to 7 stops of correction. For long telephotos and video, stabilized lenses like the 150-600mm IS or 12-60mm Leica are worth the extra cost.
Weight and balance
M43 wins on size, but some pro lenses push the limit. The 40-150mm f/2.8 PRO weighs 880g, more than some full-frame zooms. Before buying, balance the lens on your camera body and walk around your house. If it feels front-heavy, consider a lighter alternative or a grip extender.
For travel and everyday carry, I prefer lenses under 500g. For dedicated wildlife or event work, weight is a worthwhile trade for aperture or reach. See my detailed guides to M43 lenses for landscape and M43 lenses for video for more focused recommendations.
Cross-brand compatibility
Both Panasonic and Olympus/OM System use the same Micro Four Thirds mount, so lenses from either brand work on bodies from both brands. Autofocus performance varies, with each brand optimizing for their own bodies. OM System bodies tend to drive MSC lenses fastest, while Panasonic bodies excel with their own power zoom and Dual I.S. lenses. The 12-60mm Leica works best on Panasonic bodies with Dual I.S. 2.0.
Frequently Asked Questions
What is the best Micro Four Thirds telephoto lens?
For most photographers, the Olympus 40-150mm f/4-5.6 R offers the best balance of reach, weight and price. Wildlife shooters who need 600mm equivalent reach should consider the Olympus 75-300mm f/4.8-6.7, while professionals will prefer the OM System 40-150mm f/2.8 PRO for its constant aperture and weather sealing.
What is the Holy Trinity of Micro Four Thirds lenses?
The Holy Trinity in M43 typically refers to three f/2.8 constant aperture zooms covering wide, standard and telephoto: the Olympus 7-14mm f/2.8 PRO, the OM System 12-40mm f/2.8 PRO II, and the OM System 40-150mm f/2.8 PRO. Together they cover 14-300mm equivalent with pro-level build and image quality.
What is the sharpest lens for a M43 camera?
The OM System 40-150mm f/2.8 PRO is widely considered the sharpest zoom lens in the M43 system. Among primes, the Olympus 75mm f/1.8 and Panasonic Leica 42.5mm f/1.2 are highly regarded. For zooms, the OM System 12-40mm f/2.8 PRO II also delivers excellent center-to-edge sharpness across its range.
Can I use Speedboosters with M43 lenses?
Speedboosters are adapters used to mount full-frame lenses on smaller sensors, not the other way around. To adapt M43 lenses you would use a M43-to-other-mount adapter, but autofocus usually does not work. The M43 system has such strong native lens options that Speedboosters are rarely needed.
Final Verdict: Which M43 Zoom Should You Buy in 2026?
After 90 days of testing, the Olympus 40-150mm f/4-5.6 R remains the best zoom lens for micro four thirds shooters who want value and versatility. It is light, sharp, and covers 80-300mm equivalent for portraits, sports, and travel.
If you want one pro telephoto with constant f/2.8, the OM System 40-150mm f/2.8 PRO delivers. For wildlife reach, the OM System 150-600mm IS is in a class of its own. For travel, the Panasonic 14-140mm II replaces a bag full of lenses. Whatever you shoot, there is a micro four thirds zoom on this list that will do the job. Pick the one that matches your budget and style, and start shooting.