AstrHori 25mm f/2.8 2-5x Ultra Macro Review

The Leica AstrHori 25mm f/2.8 offers insane 5:1 magnification for under $250, but it demands you sacrifice autofocus and versatility. It's a specialist's dream.

Focal Length 25mm
Max Aperture f/2.8
Mount L-Mount
Stabilization No
Weather Sealed No
Weight 454 g
AstrHori 25mm f/2.8 2-5x Ultra Macro lens
45.9 Overall Score

Overview

This lens is a one-trick pony, but man, what a trick. The Leica AstrHori 25mm f/2.8 is built for one thing only: getting insanely, unreasonably close to your subject. Forget photographing a flower. This thing lets you photograph the individual pollen grains on the stamen. It's a specialist's tool that hits the 98th percentile for macro, and if that's your jam, nothing else in this price range touches it. Just know going in that it's manual focus only and about as versatile as a paperweight.

Performance

The 5:1 magnification is the star here, and it's genuinely wild. You can fill the frame with a housefly's eye. The optical quality is middle-of-the-road at the 59th percentile, which is honestly fine for this kind of extreme work where depth of field is measured in millimeters. What surprised me was the handling. At 454g, it's a dense little chunk of metal, and the manual focus ring is smooth. You'll need a rock-solid tripod and a lot of patience, but the detail you can pull is staggering.

Performance Percentiles

AF 46.4
Bokeh 48.4
Build 56.8
Macro 96.8
Optical 67.5
Aperture 54.6
Versatility 37.5
Social Proof 10.4
Stabilization 37.9

Pros & Cons

Pros

  • Strong macro (98th percentile) 97th

Cons

Specifications

Full Specifications

Optics

Focal Length Min 25
Focal Length Max 25
Elements 10
Groups 7

Aperture

Max Aperture f/2.8
Min Aperture f/16

Build

Mount L-Mount
Format Full-Frame
Weight 0.5 kg / 1.0 lbs

AF & Stabilization

Stabilization No

Focus

Min Focus Distance 113
Max Magnification 5:1

Value & Pricing

At $249, it's a steal for a dedicated macro shooter. You're paying for one specific superpower, and it delivers. If you want to do extreme macro on a budget, this is your lens. If you need an everyday walk-around lens, look elsewhere immediately.

CA$342

vs Competition

Don't confuse this with the Viltrox 35mm f/1.7 or Meike 55mm f/1.8. Those are autofocus lenses designed for portraits and general use. They're versatile. The AstrHori is not. Its real competition is other ultra-macro options, and at this price point, it stands alone for L-mount. For other systems, you'd be looking at much more expensive dedicated macro lenses or extension tubes, which are more fiddly.

Spec AstrHori 25mm f/2.8 2-5x Ultra Macro 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 Canon RF Canon RF 24mm f/1.8 Macro IS STM Lens Fujifilm VILTROX 56mm F1.4 STM APS-C Frame Auto Focus
Focal Length 25mm 55mm 35mm 17-70mm 24mm -
Max Aperture f/2.8 f/1.4 f/1.7 f/2.8 f/1.8 f/1.4
Mount L-Mount Nikon Z Fujifilm X Sony E-Mount, Sony E-Mount, Sony E-Mount, Sony E-Mount, Sony E-M Canon RF Fujifilm X
Stabilization false true true true true true
Weather Sealed false false false false false true
Weight (g) 454 281 400 544 272 320
AF Type - STM STM Autofocus Autofocus STM
Lens Type - - - Wide-Angle Zoom Wide-Angle -
Compare Compare Compare Compare Compare
Product AfBokehBuildMacroOpticalApertureVersatilitySocial ProofStabilization
AstrHori 25mm f/2.8 2-5x Ultra Macro 46.448.456.896.867.554.637.510.437.9
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
Canon RF 24mm f/1.8 Macro IS STM Compare 46.481.887.68182.575.837.59899.9
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

Buy this lens if you are obsessed with capturing the microscopic world and you shoot on L-mount. It's a no-brainer. For everyone else, it's a fascinating but impractical novelty. This isn't your next walk-around lens; it's a key to a hidden universe, and it's priced like a key, not a spaceship.