AstrHori 28mm f/13 2x Macro Probe Review

The AstrHori 28mm probe lens is a sharp, one-trick pony for extreme close-ups. But with a fixed f/13 aperture and niche design, it's only worth it for very specific shooters.

Focal Length 28mm
Max Aperture f/13
Mount Canon RF
Stabilization No
Weather Sealed No
Weight 771 g
AstrHori 28mm f/13 2x Macro Probe lens
31.3 総合スコア

Overview

This is a weird one, and that's the whole point. The Canon AstrHori 28mm f/13 is a dedicated macro probe lens, built for getting your camera into tiny, hard-to-reach spaces. It's not a general-purpose lens at all. Think of it as a specialized tool for product shots, nature close-ups, or creative video work where you need that unique, immersive perspective.

Performance

For its specific job, the optics are sharp, landing in the 98th percentile. The 2:1 magnification and 90-degree side view let you capture details you just can't get with a normal macro lens. But the trade-offs are huge. The fixed f/13 aperture means you need tons of light, autofocus is mediocre at best (48th percentile), and there's no stabilization. It's a one-trick pony, but it does that trick very well.

Performance Percentiles

AF 46.4
Bokeh 10.9
Build 10.2
Macro 71.5
Optical 97.8
Aperture 11
Versatility 37.5
Stabilization 37.9

Pros & Cons

Pros

  • Strong optical (98th percentile) 98th
  • Strong macro (68th percentile) 72th

Cons

  • Below average aperture (9th percentile) 10th
  • Below average bokeh (9th percentile) 11th
  • Below average build (10th percentile) 11th

Specifications

Full Specifications

Optics

Focal Length Min 28
Focal Length Max 28
Elements 21
Groups 16

Aperture

Max Aperture f/13
Min Aperture f/40
Diaphragm Blades 7

Build

Mount Canon RF
Format Full-Frame
Weight 0.8 kg / 1.7 lbs

AF & Stabilization

Stabilization No

Focus

Min Focus Distance 488
Max Magnification 2:1

Value & Pricing

At around $909, this isn't an easy buy. You're paying for a niche tool. If you're a product photographer, a serious macro hobbyist, or a videographer needing that probe look, it might be worth it because nothing else does this. For everyone else, it's a very expensive paperweight. The value is entirely in how badly you need its one specific superpower.

$909

vs Competition

Don't compare this to normal lenses like the Viltrox 35mm f/1.7 or Meike 55mm f/1.8. Those are versatile, fast primes for everyday shooting. This probe lens is the opposite. A fairer comparison is other macro solutions. A standard 100mm macro lens will give you better autofocus, a wider aperture, and more versatility for similar or less money, but it won't let you slide the camera into a flower bud or over a circuit board. You're choosing between a specialized tool and a generalist.

Spec AstrHori 28mm f/13 2x Macro Probe 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 28mm 55mm 35mm 17-70mm 24mm -
Max Aperture f/13 f/1.4 f/1.7 f/2.8 f/1.8 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 Canon RF Fujifilm X
Stabilization false true true true true true
Weather Sealed false false false false false true
Weight (g) 771 281 400 544 272 320
AF Type - STM STM Autofocus Autofocus STM
Lens Type - - - Wide-Angle Zoom Wide-Angle -
Compare Compare Compare Compare Compare
Product AfBokehBuildMacroOpticalApertureVersatilityStabilization
AstrHori 28mm f/13 2x Macro Probe 46.410.910.271.597.81137.537.9
Meike 55mm F1.4 Standard Aperture APS-C Frame AF STM Compare 95.681.881.289.167.588.137.587.8
Viltrox Air 35mm F1.7 f/1.7 AF Compare 95.673.663.593.27480.637.587.8
Tamron Di III 17-70mm f/2.8 -A VC RXD Compare 46.459.264.477.490.854.692.587.8
Canon RF 24mm f/1.8 Macro IS STM Compare 46.481.887.88182.575.837.599.9
Fujifilm VILTROX 56mm F1.4 STM APS-C Frame Auto Focus Standard Prime Compare 95.681.888.985.234.688.137.587.8

Verdict

Buy this only if you already know exactly why you need it. It's for a photographer or videographer who looks at a bug's eye or a watch mechanism and thinks, 'I need to get my lens in there.' For that person, it's a game-changing tool. For anyone just curious about macro, start with a traditional macro lens. This probe is a fascinating, highly effective specialist that most people should admire from afar.