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Olympus M.Zuiko Digital ED 12-45mm f/4 Pro : Specifications and Opinions

The Olympus M.Zuiko Digital ED 12-45mm f/4 Pro is a standard lens for 4/3, manufactured from 2020. The focus is done by Stepper Motor, it does not have image stabilization. The average price, when it has been added to the JuzaPhoto database, is 595 €;

33 users have given it an average vote of 9.6 out of 10.

MOUNT

This lens is available with the following mounts:

Micro 4/3: this lens is compatible with mirrorless micro-4/3.

Specifications
Focal lenght	12-45 mm
Angle of view	84 - 27° (equivalent to a 24-91mm in Fullframe 24x36mm format)
Format	4/3
Max. aperture	f/4
Aperture blades	7
Lenses/Groups	12 elements in 9 groups
Min. focus distance	0.12 meters
Reproduction ratio	0.25x
Features
Zoom type	Ring, external
Stabilization	No
Focus	Stepper Motor
Internal Focus	Yes
Built and notes
Tripod ring	No
Extenders	No
Filters	58 mm
Lens hood	Yes, supplied
Weather sealing	Yes
Weight	254 g
Dimensions	63 x 70 mm
Buy
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Reviews

What do you think about this lens?

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The following opinions have been automatically translated with Google Translate.

Innerlight

sent on July 02, 2025

Pros: Exceptional sharpness over the entire focal range already at f/4, extremely compact and light, PRO construction, Very fast and silent focusing, also excellent for video, Zero focus breathing, excellent almost macro performance 0.5× minimum focusing distance at 4cm from the lens at 12mm, chromatic aberrations and distortion well controlled (especially with software corrections), Optical quality more uniform than 12–40 f/2.8, robust lens hood with no internal tuners. Better colors than the 12-40 f2.8. It is an "original mirrorless" lens as a philosophy.

Cons: Aperture limited to f/4 less suitable for portrait, low light, or extreme bokeh, slight drop in sharpness at the edges to 12mm if not corrected via software, no MF clutch or customizable L-Fn function, doesn't really update the PRO range

Opinion: The Olympus 12–45mm f/4 PRO is a unique lens in the Micro 4/3 catalog: not only is it the only zoom in the PRO series with a constant f/4 aperture, but it is also the most compact professional zoom ever made for the system. At 254 grams and 63 mm long, it offers a truly rare combination of portability, professional construction and ultra-high optical quality. Despite its low weight, the 12–45 f/4 maintains the level of construction of the PRO series: all-metal body, tropicalized against dust, splash and frost, smooth and well-damped dials. The focus ring is electronic, and unlike the 12–40 f/2.8 PRO it does not have the clutch for direct manual override, nor the L-Fn button on the barrel. It is a choice that highlights how this lens is designed to be discreet and efficient, rather than to satisfy the "classic" reflex ergonomics. In the hand it is perfectly balanced on any Olympus or OM System body, but it combines in a particularly synergistic way with more compact cameras such as the OM-3, OM-5, E-M5 Mark III or Pen-F, making them perfect travel kits. The most surprising fact of the 12–45mm is the overall optical performance: the lens offers high sharpness already at full aperture (f/4) throughout the focal range, with performance that often exceeds that of the brighter 12–40mm f/2.8 PRO, especially with regard to the homogeneity between the center and the edges. The behavior at 12mm shows a very slight drop at the extremes in the absence of software correction, but already at 14–16mm the quality becomes practically uniform. The center is always excellent, and the peak sharpness is already reached at f/4, without the need to close the aperture. This makes the lens extremely usable even in low light conditions, as long as you compensate for the lower brightness with ISO or stabilization. The correction of chromatic aberrations is very good, even without software intervention. Geometric distortion is mainly present at 12mm, but is automatically corrected in JPEGs and RAW via embedded profiles. The vignetting is slight and is already reduced to f/5.6. The "focus breathing" effect is practically absent, which makes it ideal for videographers as well. One of the most underrated yet powerful aspects of this lens is how it renders at close range. With a minimum focusing distance of 12 cm at the shortest focal length (and about 23 cm at 45mm), the equivalent magnification ratio reaches 0.5×, a true semi-macro performance. The images are engraved, detailed, with very little distortion and no loss of sharpness at the edges, making it perfect for food, objects, architectural details and "light" naturalistics. The 12–45mm f/4 PRO is a much more interesting lens than its f/4 aperture would suggest. In a system like the Micro 4/3, where the depth of field is already naturally more extensive, giving up f/2.8 is less penalizing than it would be on full frame. In return, you get an extremely portable lens that is optically more consistent than the 12–40 f/2.8, with advanced macro performance, and image quality that holds its own against fixed lenses. It's not the lens for those who want maximum blur or handheld shooting in extreme light, but it's the perfect lens for reportage, travel and mindful photography, where lightness and consistent quality really make the difference.

Fabb

sent on December 19, 2024

Pros: Compact, lightweight, solid construction

Cons: missing FN key and MF clutch

Opinion: I had both the 12-40 and the 12-100 but in the end as a handyman I kept this one and sold all the others because I gave priority to compactness which is fundamental for me, as I hate to shoot with too flashy and above all heavy guns; Perfect as a travel and touring lens, especially paired with a fixed one like the 20mm Pro you get a tiny and tropicalized system with a negligible weight, excellent for trips with only one hand luggage on the plane for example, where space is limited. Super sharpness as for the big brothers, I didn't notice any significant differences. Very solid metal construction, a pleasure to handle and use like all lenses in the pro olympus/OM series. Used in the Moroccan desert and in the medina of Marrakech where changing lenses is quite complicated due to the large amount of dust and pollution, no problems encountered. Too bad only for the lack of the function button and clutch manual focus but I guess it was necessary to give up to keep the lens very compact. If you are looking for a compact zoomino ready for anything, I recommend it, especially for series 1 and series 5 bodies

Dierre.ph

sent on April 10, 2023

Pros: compactness, IQ, construction

Cons: f/4, hood, FN button missing

Opinion: I have it very recently, but already those times I used this zoom the quality of the images produced left me with a very good impression; starting from the IQ the first things I noticed compared to the 12-40 were: the minimum distortion at 12mm, the greater resistance to flare and a certain vivacity of the colors compared to the "drier" yield of the 12-40; then in general it has an excellent yield at all focal lengths. As for the construction is the trademark olympus (or should I say OM system) combined with a compactness that I would call embarrassing for the IQ it returns. I think it's the ideal zoom to take with you along with a camera as compact as the EM5 III (which I took together as an offer) for a reportage trip. Having to point out the "cons" I think that in this case are factors of second or third order, such as obviously the castrated brightness at f / 4 or as the lack of the FN button that in some cases is useful; Finally, in my opinion, I do not find the hood supplied as a pro objective but for the price / quality ratio you can be satisfied.

Alesrog

sent on July 24, 2022

Pros: Compactness, sharpness, construction

Cons: The switch to switch to manual focus with metric scales.

Opinion: I had for a while this lens, all the features for which you buy are confirmed once purchased. Excellent sharpness at all focal lengths already at full aperture, I do not find defects either backlight or as distortions at the minimum focal length (for my use), in low light conditions it slows down the autofocus a little becoming less precise. Why prefer it to 2.8? surely for the compactness and practicality of use in addition to the lower cost, why prefer it to the 12-100 f4? even more so for the compactness and cost. If the focal lengths of use are sufficient for your way of photographing and do not interest the blurred in my opinion it is an excellent lens. In general, landscape and / or street use it has no rivals in the system, even the stabilization in the room is sufficient given the focal lengths at stake. Another point in favor is the minimum focusing distance that allows you to make excellent close-ups even in wide-angle format. I used it on Olympus EM-1 Mark II and EM-10 and it never gave any problems. It allows you to better appreciate and understand the M4/3 system. I sold it for non-use but I will buy it again soon as soon as I start traveling again...

Ugo B

sent on December 29, 2021

Pros: Build quality, speed, size, excursion, price

Cons: manfa fn button and MF clutch

Opinion: A Zoom PRO very suitable for those who use non-professional M43 bodies that are a bit unbalanced with the 12-40 2.8... excellent construction and speed of the af, very good image quality. It is not a razor like the 12-40 pro, but more similar to the 12-60 Leica as a general feeling of the image. It behaves well in all situations, and is very usable at TA. Excellent close focus very very small. a beautiful lens, pro quality, at an affordable price

There are 4 more reviews. Show all »

Photos taken with Olympus M.Zuiko Digital ED 12-45mm f/4 Pro

The old barn

by Lazzaro
83 comments, 11110 views [editors pick]

Like a fairy tale

by Lazzaro
76 comments, 11258 views [editors pick]

HI RES 4.3 MP

In the morning in the woods!

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148 comments, 9456 views

HI RES 18.4 MP

A sea of clouds

by Lazzaro
55 comments, 5192 views

The latest

by Lazzaro
38 comments, 8191 views

Thoughts

by Maxago
27 comments, 5752 views [editors pick]

HI RES 17.9 MP

The passing...

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44 comments, 4971 views

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A special light

by Norvegia04
149 comments, 5525 views

HI RES 14.1 MP

A cascade of freshness

by Lazzaro
29 comments, 5719 views

The talent of nature

by Lazzaro
39 comments, 4152 views

Abbarbagliati awakenings

by Yago
61 comments, 4636 views

HI RES 4.7 MP

La Morra at dawn

by Ginolimbianchino
97 comments, 3600 views

HI RES 5.0 MP

Dark Lake

by Lazzaro
21 comments, 6190 views

Rain Man...

by Lazzaro
27 comments, 3999 views

Sella Massif - Piz Boè

by Norvegia04
131 comments, 3749 views

The gold of Cervinia

by Lazzaro
18 comments, 5762 views

Winter views!

by Ginolimbianchino
104 comments, 3184 views

HI RES 18.0 MP

Lake Morasco

by Roberto Arrigoni
99 comments, 2238 views

HI RES 15.9 MP

Zooming!

by Ginolimbianchino
69 comments, 2737 views

HI RES 5.9 MP

Perfect lines

by Lazzaro
28 comments, 2753 views

The Goodnight Kiss

by Lazzaro
26 comments, 3342 views

HI RES 5.9 MP

Emissary of Lake Scuro

by Lazzaro
29 comments, 3041 views

Light and colours - Fanes-Sennes-Braies Park

by Norvegia04
100 comments, 3835 views

HI RES 16.2 MP

Magic Moment

by Lazzaro
14 comments, 4060 views

HI RES 19.6 MP

Tugboats at work Port of Livorno

by Ginolimbianchino
56 comments, 2451 views

HI RES 5.3 MP

The Photographer in the Sky

by Lazzaro
28 comments, 2399 views

September Sea

by Norvegia04
123 comments, 2736 views

HI RES 14.8 MP

Storm in Gallura

by Norvegia04
111 comments, 2628 views

HI RES 4.9 MP

Palau and La Maddalena at night

by Norvegia04
93 comments, 2706 views

HI RES 68.6 MP

Fografando the Apuan Alps

by Lazzaro
19 comments, 2668 views

A black and white a bit 'special ...

by Norvegia04
96 comments, 2799 views

HI RES 15.5 MP

Urbino university city

by Norvegia04
107 comments, 2789 views

HI RES 19.6 MP

The photographer's light...

by Lazzaro
26 comments, 2179 views

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Clear clear sweet waters

by Lazzaro
16 comments, 4312 views

Always the coast of Bosa

by Norvegia04
95 comments, 3426 views

HI RES 20.2 MP

Sunset from the Valparola pass

by Ginolimbianchino
93 comments, 3086 views

HI RES 18.0 MP

Light in the ice

by Lazzaro
19 comments, 1863 views

The sample photos are selected automatically between all photos posted by JuzaPhoto members, using the camera and the lens selected in the techs. If you find evident errors (e.g. photos taken with cameras and lenses that are not available yet), you can contribute to improve the page by sending a private message to the user that has entered incorrect values in the photo caption.

Reviews » Lenses » Lenses Olympus » Olympus M.Zuiko Digital ED 12-45mm f/4 Pro

Olympus M.Zuiko Digital ED 12-45mm f/4 Pro : Specifications and Opinions

Buy

Offerte Usato RCE

Reviews

What do you think about this lens?

Photos taken with Olympus M.Zuiko Digital ED 12-45mm f/4 Pro