Olympus 150-400mm f4.5 Professional Assessment

If there have been a virtually excellent lens for the OM System cameras for birding, it will be the Olympus 150-400mm f4.5 PRO. Billed for wildlife, birding, and sports activities, it’s an revolutionary lens able to giving photographers a really excessive keeper price. Mixed with the OM1’s autofocusing talents, it will likely be arduous to overlook a shot in the appropriate circumstances. Then there’s the construct high quality and IP sturdiness score this lens shares with the cameras to contemplate. In fact, who can neglect in regards to the built-in 1.4x teleconverter that may be activated when wanted? Total, this proves to be a incredible lens.

We examined the Olympus 150-400mm f4.5 PRO in quite a lot of conditions, by hikes in varied forests, and on the streets of NY’s parks. Fairly truthfully, it impressed everybody who noticed the photographs it produced.

The Huge Image

The Olympus 150-400mm f4.5 PRO lens presents a number of the most versatility I’ve ever seen within the images world. Lenses with built-in teleconverters may be one thing particular. Wildlife and sports activities photographers will actually like what this lens can do for them. I believe wildlife and chook photographers are going to profit essentially the most right here. The depth of discipline equivalence is round f9 on a full-frame digital camera when taking pictures large open. And when the teleconverter is activated, it turns into f5.6, which interprets to f11. Positive, these are all concerns to make when taking pictures with a lens like this.

As insanely revolutionary because the Olympus 150-400mm f4.5 PRO is, it’s additionally a reminder that I want OM System made sooner lenses. A 200mm f2, 300mm f2, and 400mm f2 lens set can be unbelievable, and I don’t suppose they’d should be so big as a result of Micro 4 Thirds solely makes use of the middle of the optics. They made a 45mm f1.2, so why can’t they make telephoto lenses at f2? Every of those would have the equal depth of discipline of f4 when taking pictures large open in comparison with full-frame cameras. Contemplating that OM System’s autofocus can deal with it, I believe lenses like these can be incredible additions.

Private ideas apart, the Olympus 150-400mm f4.5 PRO is a must have for birding and wildlife photographers. It’s arguably one of the vital succesful lenses in the marketplace in the present day.

We’re awarding the Olympus 150-400mm f4.5 PRO 5 out of 5 stars, in addition to our Editor’s Alternative Award. Need one? Test them out at Adorama, Lensrentals, and Amazon to make a purchase order utilizing our affiliate hyperlinks.


  • Insanely light-weight for carrying over time
  • Fairly quick
  • Climate resistance
  • Very sharp and exquisite picture high quality
  • Extremely handy
  • The built-in teleconverter is superior.
  • Inner zooming
  • Stunning colours and bokeh


  • Even with focus limiters on, the main focus may be gradual and annoying at occasions. However that’s sort of a given contemplating the large focal size vary.
  • May be gradual to focus even with the OM System OM1 in tremendous low lighting like in a forest.
  • Fairly a excessive value

Gear Used

The Olympus 150-400mm f4.5 PRO was loaned to us courtesy of Lensrentals. It was used with the OM System OM-1, which has been on long-term mortgage with us.


There aren’t many lenses with built-in teleconverters. That is the equal of 300-800mm that provides within the teleconverter if you want and wish it. On high of that, it’s weather-resistant. You simply can’t beat the extent of innovation right here.


Right here’s the Olympus 150-400mm f4.5 PRO lens in motion. As you may inform, it’s giant for an Olympus/OM System lens, however that’s justifiable. In direction of the entrance is the focusing ring. Behind which are programmable buttons, that are an excellent concept to set to one thing you want. After that’s the zoom ring, which internally zooms the lens. Following that space are the controls. And lastly, there’s a tripod collar. You’d suppose this lens would have a slot for a filter, however the entrance is the place you’ll put a filter.

Right here’s a more in-depth have a look at the feel on the lens. It’s straightforward to carry because of the textual content on the rubber rings and the lens itself.

In direction of the mount is the teleconverter swap. It additionally has a lock to make sure that the lens doesn’t by chance go from one setting to the opposite. In testing, I by no means discovered that taking place.

Right here’s one other shot of the lens and all that goodness for you of us who love the design of Olympus lenses.

And eventually listed below are the controls. There’s numerous them, however they’re conveniently and appropriately positioned. You’ll absolutely have to take away your eye from the viewfinder to determine what you’re doing, however they’re straightforward sufficient to make use of.

Construct High quality

Earlier than I photographed sports activities with this lens, my buddy Andre spoke to me about climate resistance and the way vital it’s to him today as a result of he’s round his youngsters typically together with his digital camera. I then proceeded to take the water from my water bottle and dump it on the OM1 with the Olympus 150-400mm f4.5 PRO hooked up. He was dumbfounded when the combo continued to work flawlessly. Certainly, the climate resistance on the Olympus 150-400mm f4.5 PRO is impeccable; we will’t discover a single fault with it.

Within the hand, it additionally feels extremely balanced. In real-life use, it additionally stays properly balanced as a result of it’s an internally zooming lens, so the burden distribution doesn’t change. Whereas it’s very light-weight for what it’s, it’s nonetheless sort of heavy to haul alongside for some time. I walked round neighborhoods and forests with this lens and needed to tuck it underneath my arm a bunch of occasions.

Whereas taking pictures with this lens, I typically puzzled about how it will do with a pistol-style grip for the underside space by the tripod collar.

Ease of Use

There’s loads to know in regards to the Olympus 150-400mm f4.5 PRO in the case of utilizing it. There’s a spotlight limiter swap, its personal beeping possibility, picture stabilization, and a lot extra. And belief me, on the longer finish, even with the OM1, you want the picture stabilization this lens offers you. If you happen to’re a sophisticated shooter, I believe you’ll get the dangle of it.


There are a myriad of conditions we examined the autofocus on the Olympus 150-400mm f4.5 PRO with. Listed below are some notes:

  • With the S-OVF setting activated, the Olympus 150-400mm f4.5 PRO all the time nailed focusing when the lens didn’t need to deal with a totally totally different distance or when the AI was being sensible.
  • In low mild with the S-OVF setting and the FPS price excessive, the OM1 turns into an autofocusing beast that’s very succesful. However even then, discovering birds in timber underneath forest cover may be fairly powerful.
  • In low mild with S-OVF turned off, the focusing struggled a bit with the OM1. It’s not terrible, but it surely’s absolutely noticeable.
  • In good lighting with publicity preview on (S-OVF turned off), the OM1 and Olympus 150-400mm f4.5 PRO do a terrific job. In comparison with Canon and Sony, I believe it’s a bit behind however completely no slouch.

With all of the totally different AI modes although, the Olympus 150-400mm f4.5 PRO proved itself able to capturing numerous totally different topics. Particularly, it did this utilizing the Professional Seize Mode. If you happen to’re utilizing it in steady burst taking pictures with the low setting, it’s going to be nowhere as correct vs utilizing Professional Seize Mode. There have been just a few occasions the place Professional Seize Mode truthfully saved the efficiency general.

Professional Seize Mode and the main focus limiter swap helped me seize this superior second on my balcony utilizing the OM1. I’ve by no means caught something like this with different digital camera programs, however I’ve additionally arguably by no means had the chance to take action.

Picture High quality

The Olympus 150-400mm f4.5 PRO is a lens it is best to by no means trouble stopping down. In full-frame language, that is the equal of an f9 lens due to the 2x crop issue. However you’ll be capable of get stunning bokeh, colours, and a lot extra. We had a blast utilizing this lens, and listed below are some pattern photos and our ideas.


Typically after I feed the birds on my balcony, they combat. These moments are incredible when caught on digital camera. This was shot large open. Despite the fact that it’s has the depth of discipline equivalence of f9 in full-frame converse, it nonetheless offers stunning bokeh that chook and wildlife photographers will love.

Colour Rendition

Olympus and now OM System have all the time rendered photographs a bit of blue. Even with the “hold heat” perform on, they have been nonetheless a bit heat for my liking. I ended up switching the digital camera to sunlight mode and locking that to cope with it later if I wanted to. With that stated, the colours are nonetheless superb, particularly in good lighting.

Lens Character

This lens doesn’t have any character. With that stated, it additionally has very conventional Japanese manufacturing with no lens flare, ghosting, or different points you’d run into. With a lens like this, I believe that’s crucial.


Large open and even with the teleconverter, you by no means need to cease this lens down. Simply use Professional Seize mode and let the digital shutter take over. It’s very sharp large open, and we discovered nothing that might make us say in any other case.

Further Picture Samples

From day one, The Phoblographer has been big on transparency with our viewers. Nothing from this evaluation is sponsored. Additional, plenty of of us will publish opinions and present plenty of modifying within the photographs. The issue then turns into that anybody and everybody can do the identical factor. They’re not displaying what the lens can do. So we have now a bit in our Further Picture Samples space to point out edited and unedited photographs. From this, you can also make a choice for your self.



Who Ought to Purchase It?

Let’s do a rundown for this:

  • Wedding ceremony photographers: No
  • Road: No
  • Sports activities: Sure
  • Wildlife: Sure
  • Chook photographers: Completely
  • Landscapes: In all probability
  • Journalism: Sure
  • Portraits: Through the lockdowns, folks did long-distance portraits. I’d think about this lens may do this with its large zoom vary.

Tech Specs

Listed below are the tech specs in line with Lensrentals:

35mm-Equal Focal Size 1
Angle of View 8.2° to three.1°
Aperture Blades 9, Rounded
Autofocus Autofocus
Model Olympus
Diameter 4.6″
Further Low-Dispersion Components 2
Filter Dimension 95.0mm
Focal Size 150.0-400.0
Teams/Components 18/28
Excessive-Definition Components 1
Hood Included Sure
Picture Stabilization Sure
Merchandise Sort Lens
Size 12.4″
Lens Sort Telephoto
Max Aperture 4.5
Most Magnification 0.12 to 0.29x
Mfr. Mannequin Quantity V315060BU000
Minimal Aperture 22.0
Minimal Focusing Distance 4.3feet
Mount Micro 4/3rds
Tremendous Further-Low Dispersion Components 4
Tripod Collar Fastened and Rotating
Weight 4.1 lbs.

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