OM SYSTEM 12 40mm f2.8

Name: OM SYSTEM 12 40mm f2.8
Brand: Olympus

Olympus · Prime Lens

Check price at Adorama → See used → See price on Amazon →

Synthesized from 6 reviewer sources · Analysis as of Sep 9, 2026 (today)

What do reviewers say about the OM SYSTEM 12 40mm f2.8?

As of September 2026, among the 6 reviews we compiled, generation context drew the most discussion: 26 claims from 5 of them, which we read as 15% positive, 73% neutral, 12% negative.

Synthesized from 6 reviewer sources for OM SYSTEM 12 40mm f2.8. Optical performance draws the most discussion: 13 positive, 5 neutral, and 2 negative across 20 sentiment markers. Coverage of AF for video is mostly neutral: 31% positive, 63% neutral, 6% negative across 16 claims.

What are the OM SYSTEM 12 40mm f2.8 specifications?

Focal Length Mm40 mm

Max Aperturef/2.8

specs: designation

What do reviewers praise and criticize?

Optical Performance

13 pos · 5 neu · 2 neg

“The lens delivers outstanding optical quality right through the range” — OMSYSTEM.Cameras

Build Quality

7 pos · 2 neu · 2 neg

“This one is not weather sealed whereas this one is weather sealed with an IP53 rating and this one doesn't have a manual focus clutch or lens function button which this one has but this one has an automatic lens cap.” — RadCameraMan

Mount Compatibility

5 pos · 12 neu · 1 neg

Price & Value

0 pos · 0 neu · 2 neg

Weight & Portability

4 pos · 6 neu · 5 neg

“Anytime I want to go out shooting and I know I want to keep it kind of lightweight, I'm going to take my OM1 with the 12 to 40.” — WaterfallJoe

More detail — 7 additional axes

Vignetting

0 pos · 5 neu · 1 neg

Chromatic Aberration

0 pos · 2 neu · 0 neg

Bokeh

2 pos · 1 neu · 1 neg

“creamy outer Focus area creamy background you can create it with this lens V's Focus area is gorgeous but what your photograph in is beautifully sharp so um and you know the specular highlights are really good they're round they're not um and there no onion rings in them either so just looks really…” — Avp Studios

Color Rendition

1 pos · 0 neu · 0 neg

Filter Thread

1 pos · 3 neu · 0 neg

Dimensions

0 pos · 3 neu · 1 neg

Handling

7 pos · 2 neu · 0 neg

Which reviews is this based on? (6)

Every claim above traces to these original reviews. We don't write opinions — we synthesize theirs.

📹 Pro Reviews (6)

OM System 12 40mm f2 8 ii PRO Lens Review - is this simply a re-branded Olympus lens? Avp Studios
Which Lens is better. The OM System 12-45 F4 Pro or the 12-40 F2.8 Pro Dewey's Photography Adventures
OM SYSTEM / Olympus M.Zuiko 12-40mm F2.8 PRO | Product Review OMSYSTEM.Cameras
OM SYSTEM 12-40mm f2.8 Pro II and 40-150mm f4 Pro - [A Quick look] Peter Forsgård
OM System M.Zuiko Pro 12-40mm F2.8 Mark II RadCameraMan
OM System 12-40mm f/2.8 Review - I LOVE This Lens! + Forest Photography WaterfallJoe