Lens Details
Laowa
Aksen 17.5mm f/1.7 5-10x Ultra Macro APO (L-Mount)
$749~
MSRP (prices vary)
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Released: July 31, 2026
Who it's for
The Laowa Aksen 17.5mm f/1.7 5-10x Ultra Macro APO (L-Mount) is a 17.5mm f/1.7 prime lens — a wide-angle option. Here's what it's best at and what to keep in mind.
Best for
- ✓Macro and close-ups — 10x magnification.
- ✓Low light and subject separation — a fast f/1.7 aperture.
- ✓Landscapes, interiors and architecture — a wide 17.5mm field of view.
Keep in mind
- !Manual focus only — no autofocus.
17.5mm
Focal Length
f/1.7
Max Aperture
Full-Frame
Coverage
−
Stabilized
570g
Weight
42mm
Filter
Full Specifications
Optical Design
| Focal Length | 17.5mm |
|---|---|
| Lens Type | Prime |
| Optical Elements | 17 |
| Optical Groups | 12 |
Aperture & Iris
| Maximum Aperture | f/1.7 |
|---|---|
| Minimum Aperture | f/5.6 |
| Aperture Blades | 11 |
| Rounded Aperture | No |
Coverage & Angle
| Format Coverage | Full-Frame |
|---|---|
| Lens Mount | L-Mount |
| Angle of View | − |
| 35mm Equivalent | − |
Focus
| Autofocus | No |
|---|---|
| Focus Motor | − |
| Focus Limiter | No |
| AF/MF Switch | No |
| Min Focus Distance | − |
| Max Magnification | 10x |
Stabilization & Video
| Optical Stabilization | No |
|---|---|
| Aperture Ring | Yes |
| Declickable Aperture | No |
| Parfocal | Yes |
| Internal Zoom | No |
General
| Price (MSRP) | $749 |
|---|---|
| Filter Size | 42mm |
| Diameter | 70.2mm |
| Length | 127.5mm |
| Weight | 570g (1.26 lb) |
| Weather Sealed | No |
| Tripod Collar | No |
