Biotar 58mm f/1.5 II Review

The Canon Meyer-Optik Biotar 58mm f/1.5 II creates breathtaking, swirly bokeh, but it's a heavy, manual-focus lens with one very specific job.

Focal Length 58mm
Max Aperture f/1.5
Mount Canon RF
Stabilization No
Weather Sealed No
Weight 1361 g
Biotar 58mm f/1.5 II lens
32.9 Overall Score

Overview

This lens is a one-trick pony, but that trick is absolutely magical. The Canon Meyer-Optik Gorlitz Biotar 58mm f/1.5 II is a massive, manual-focus prime lens built for one thing: creating the most swirly, dreamy, vintage bokeh you can get on a modern Canon RF mount. Forget autofocus, forget portability, forget anything else. If you want that classic, painterly look straight out of the camera, this is your lens.

Performance

The bokeh performance is exactly what you're paying for, landing in the 96th percentile, and it delivers. The 14-blade diaphragm creates beautifully round highlights even when stopped down. But the optical quality percentile is surprisingly low at 33rd, which tracks. This lens isn't about clinical sharpness; it's about character. Expect some softness wide open and that signature swirly effect, especially towards the edges of the frame.

Performance Percentiles

AF 46.4
Bokeh 97.5
Build 11.9
Macro 21.7
Optical 34.6
Aperture 82
Versatility 37.5
Social Proof 13
Stabilization 37.9

Pros & Cons

Pros

  • Bokeh quality is in the top 4% of all lenses – it's stunningly unique. 98th
  • Massive f/1.5 aperture is great for low light and extreme subject separation. 82th
  • The 14-blade diaphragm gives buttery-smooth out-of-focus areas.
  • Build feels solid and dedicated to a specific, artistic purpose.

Cons

  • It's a boat anchor at over 2.9 pounds – forget using this for travel or casual walks. 12th
  • Manual focus only, and the focus ring action is critical (not specified here). 13th
  • Optical performance is middling if you care about corner-to-corner sharpness. 22th
  • Not weather-sealed, so you're babying this expensive piece of glass. 35th

Specifications

Full Specifications

Optics

Focal Length Min 58
Focal Length Max 58

Aperture

Max Aperture f/1.5
Min Aperture f/16
Diaphragm Blades 14

Build

Mount Canon RF
Format Full-Frame
Weight 1.4 kg / 3.0 lbs
Filter Thread 52

AF & Stabilization

Stabilization No

Value & Pricing

At $1199, this lens is a luxury item for a very specific photographer. You're not paying for versatility or sharpness; you're paying for a unique look that's hard to replicate in software. If that swirly bokeh is your holy grail, it's worth it. If you need a general-purpose 50mm, it's a terrible buy.

$1,199

vs Competition

Don't even compare this to zooms like the Panasonic 14-140mm or the Sony 24-240mm – they're for completely different jobs. For RF mount, a more direct competitor is something like the Meike 55mm F1.8 Pro, which offers autofocus and is much lighter, but its bokeh won't have this character. The real comparison is to other vintage-style lenses, like the Viltrox 35mm f/1.7, which is cheaper and smaller but doesn't match the Biotar's specific, intense bokeh rendering. You buy this instead of those when you want the effect turned up to 11.

Spec Biotar 58mm f/1.5 II Meike Meike 55mm F1.4 Standard Aperture APS-C Frame AF Viltrox Air VILTROX 35mm F1.7 f/1.7 Air AF Lens for Fuji X Tamron Di III Tamron 17-70mm f/2.8 Di III-A VC RXD Lens for Sony Nikon NIKKOR Z Nikon NIKKOR Z 24-70mm f/2.8 S II Lens (Nikon Z) Fujifilm VILTROX 56mm F1.4 STM APS-C Frame Auto Focus
Focal Length 58mm 55mm 35mm 17-70mm 24-70mm -
Max Aperture f/1.5 f/1.4 f/1.7 f/2.8 f/2.8 f/1.4
Mount Canon RF Nikon Z Fujifilm X Sony E-Mount, Sony E-Mount, Sony E-Mount, Sony E-Mount, Sony E-M Nikon Z Fujifilm X
Stabilization false true true true true true
Weather Sealed false false false false true true
Weight (g) 1361 281 400 544 676 320
AF Type - STM STM Autofocus Autofocus STM
Lens Type - - - Wide-Angle Zoom Wide-Angle Zoom -
Compare Compare Compare Compare Compare
Product AfBokehBuildMacroOpticalApertureVersatilitySocial ProofStabilization
Biotar 58mm f/1.5 II 46.497.511.921.734.68237.51337.9
Meike 55mm F1.4 Standard Aperture APS-C Frame AF STM Compare 95.681.881.189.167.588.137.589.987.8
Viltrox Air 35mm F1.7 f/1.7 AF Compare 95.673.663.493.27480.537.595.187.8
Tamron Di III 17-70mm f/2.8 -A VC RXD Compare 46.459.264.377.490.854.692.595.187.8
Nikon NIKKOR Z 24-70mm f/2.8 S II Compare 46.471.672.172.49754.685.49887.8
Fujifilm VILTROX 56mm F1.4 STM APS-C Frame Auto Focus Standard Prime Compare 95.681.888.885.334.688.137.586.787.8

Verdict

This is a hard recommendation for most people, but an easy one for the right person. If you're a portrait or creative shooter who lives for that ethereal, vintage bokeh look and you don't mind hauling around a heavy, manual-only lens, the Biotar 58mm f/1.5 II is basically unmatched. For everyone else – street shooters, travelers, run-and-gun videographers – it's a wildly impractical and expensive piece of kit. Know exactly what you're getting into.