AstrHori 25mm f/2.8 2x-5x Macro
AstrHori · 25 mm · f/2.8
Score Breakdown
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What We Like
+Extreme 2x-5x magnification reveals fine details invisible to naked eye
+Compact 25mm focal length provides broader depth of field than longer macro lenses, reducing focus stacking requirements
+Extended 37.5–45mm working distance allows room for lighting setup without casting shadows
+Excellent image quality at all magnifications with minimal chromatic aberration
+Manual focus design with clicked aperture for precise control over macro subjects
+Affordable at $249 compared to competing ultra-macro lenses like the Laowa
Worth Knowing
−Fixed focus distance for macro only—no infinity focus or general-purpose use; not a multi-purpose lens
−Extremely steep learning curve and fiddly operation; requires tripod, macro rail, and careful technique to achieve sharp results
−Magnification ring suffers from focus creep in early production units; requires camera/subject repositioning to focus rather than traditional focus ring
−Tiny working depth of field at 5x magnification makes composition and focus stacking complex and time-consuming
General | |
|---|---|
| Brand | AstrHori |
Lens Mount ⓘThe lens mount will tell you what type of lens range you can fit onto the camera body. Often the same camera company will have different lens ranges for different cameras. | Leica L |
System ⓘIndicates which camera system the lens is designed to attach to. | Leica L |
Physical | |
| Lens Weight | 474 g |
Lens Diameter ⓘWidth of the lens at its widest point | 61 mm |
Front Filter Compatible ⓘSome lenses are compatible with front filters, some are compatible with back filters and some are compatible with both. Front filters are usually more convenient to add and remove. |  Yes |
Optics | |
Focal Range ⓘShortest to longest focal length of the lens (zoom range start - end ) | 25 mm |
Aperture Range ⓘLargest aperture at the lens's shortest focal length to longest focal length (aperture range start - end) | 2.8 |
| Focal Length Angle of View | 9° |
Flange Focal Distance ⓘDistance from lens mount to sensor. | 20 mm |
Diaphragm Type ⓘStructure and design of the aperture |  Manual |
Blades ⓘNumber of diaphragm blades in aperture | 8020 |
Zoom Lens ⓘZoom allows you to vary the focal length, change between long shots and close-ups | No |
Closest Focusing Distance ⓘMinimum distance for a subject to be in focus. | 11.3 cm01500 |
Maximum Magnification ⓘLargest size a subject can be reproduced | 5x |
| Autofocus Mode | No |
| Manual Mode |  Yes |
| Manual Focusing Ring |  Yes |
Features | |
Weather Sealing ⓘWeather sealing capabilities will give you more confidence when shooting in unfavourable conditions. | No |
Fluorine Coating ⓘCoating to repel water and oil from lens elements. | No |
| Built In Lens Hood | No |
Teleconverter ⓘA teleconverter (extender) is an extra piece of equipment that fits between the lens and the camera body to enhance magnification | No |
| Image Stabilization | No |
Construction | |
Elements ⓘLens elements refer to individual pieces of glass within the lens. | 10 |
| Groups | 7 |
Aspherical Elements ⓘThe number of aspherical lens elements which can help correct aberrations such as spherical aberration. | 0 |
Bi Aspherical Elements ⓘElements with two non-spherical surfaces | 0 |
Low Dispersion ⓘElements that reduce chromatic aberration | 2 |
Super Low Dispersion ⓘAdvanced elements further reducing chromatic aberration | 0 |
CA Reduction ⓘBuilt-in features to reduce chromatic aberration | 0 |
Internal Focusing ⓘInternal Focusing means that the lens does not change in size during focusing, and the front element does not rotate. | No |