AstrHori 25mm f/2.8 2-5x Ultra Macro Review
The AstrHori 25mm f/2.8 delivers insane 5:1 magnification for extreme close-ups, but it's a fully manual, niche tool. Here's who really needs it.
Overview
The AstrHori 25mm f/2.8 is a specialist's tool. It's a manual focus lens built for one thing: getting insanely close. With a 5:1 maximum magnification, it lets you capture details most lenses can't even see.
Forget about autofocus or stabilization. This is a simple, all-manual prime lens for Nikon Z cameras. It's designed to be mounted on a tripod so you can carefully focus on tiny subjects like insect eyes or watch gears.
Performance
For macro work, it's in the 97th percentile, which is its whole reason for existing. The optical quality is decent, landing in the 65th percentile. But you trade everything else for that magnification. The build is just okay, and it's not versatile at all. It's slow to use because of the manual focus, and you'll need a lot of light or a flash at such high magnifications.
Pros & Cons
Pros
- Unbeatable 5:1 magnification for extreme close-ups. 97th
- Simple, straightforward manual focus design. 68th
- Compact and relatively light for a macro lens at 454g.
- Full-frame coverage on a Nikon Z mount.
Cons
- Fully manual focus only, no autofocus. 5th
- No image stabilization, so a tripod is mandatory.
- Not weather-sealed, so keep it away from dust and moisture.
- Very niche use case; terrible for general photography or travel.
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 | Nikon Z |
| 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 relatively cheap ticket into extreme macro photography. You're not paying for fancy features, you're paying for magnification. If 5:1 macro is your goal, this is one of the most affordable ways to get there on a Nikon Z system. Just know you're getting a bare-bones tool.
vs Competition
Don't confuse this with general-purpose primes like the Viltrox 35mm f/1.7 or Meike 55mm f/1.8. Those have autofocus and are for portraits or street photography. This AstrHori lens is in a different league for close-ups. Compared to dedicated macro lenses from Nikon or Sigma that offer 1:1 magnification, this goes much closer but sacrifices autofocus, stabilization, and optical polish. It's for a different, more extreme job.
| 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 | Nikon Z | 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 | Af | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| AstrHori 25mm f/2.8 2-5x Ultra Macro | 46.4 | 48.4 | 56.8 | 96.8 | 67.5 | 54.6 | 37.5 | 4.8 | 37.9 |
| Meike 55mm F1.4 Standard Aperture APS-C Frame AF STM Compare | 95.6 | 81.8 | 81.1 | 89.1 | 67.5 | 88.1 | 37.5 | 89.9 | 87.8 |
| Viltrox Air 35mm F1.7 f/1.7 AF Compare | 95.6 | 73.6 | 63.4 | 93.2 | 74 | 80.5 | 37.5 | 95.1 | 87.8 |
| Tamron Di III 17-70mm f/2.8 -A VC RXD Compare | 46.4 | 59.2 | 64.3 | 77.4 | 90.8 | 54.6 | 92.5 | 95.1 | 87.8 |
| Canon RF 24mm f/1.8 Macro IS STM Compare | 46.4 | 81.8 | 87.6 | 81 | 82.5 | 75.8 | 37.5 | 98 | 99.9 |
| Fujifilm VILTROX 56mm F1.4 STM APS-C Frame Auto Focus Standard Prime Compare | 95.6 | 81.8 | 88.8 | 85.3 | 34.6 | 88.1 | 37.5 | 86.7 | 87.8 |
Verdict
Buy this only if you're a photographer, scientist, or hobbyist who specifically needs to shoot at 2x to 5x magnification. It's perfect for documenting tiny specimens, circuit boards, or jewelry details. If you want a walk-around lens or something for portraits, look at the Viltrox or Meike options instead. This is a one-trick pony, but it does that trick very well.