AstrHori 18mm f/8 (APS-C) 90° Macro Probe

Focal length: 18 mm
Aperture: f/8
Weight: 760 g
Filter diameter: –
Min. focus distance: 47 cm
Length: 470 mm

At a Glance

On Micro Four Thirds the 18 mm focal length becomes a 36 mm full-frame equivalent, making this a moderate wide-angle probe prime. Magnification reaches 2:1, and the minimum focus distance is 47 cm. An LED ring light is built in, and the front section is waterproof and detachable. An aperture ring and cine gears are fitted, and focusing is manual. It suits macro, product and video work.

Good for

Macro
Product
Video

Worth knowing

No autofocus: focusing is manual only.

Derived from the manufacturer data, not from our own tests. How we check

Technical Specifications

Min. focal length: 18 mm
Max. focal length: 18 mm
Max. aperture (min. zoom): f/8
Max. aperture (max. zoom): f/8
Min. aperture: f/28
Elements: 23
Groups: 17
Weight: 760 g (1.68 lb)
Filter diameter: –
Min. focus distance: 47 cm (18.5 in)
Max. magnification: 2:1 (2×)
Length: 470 mm (18.5 in)
Diameter: 30 mm (1.18 in)

Manufacturer data: astrhori.cn

Last checked: October 13, 2026 (against the manufacturer data) · How we check

Simulate depth of field and angle of view

Compare with other lenses

Which cameras does the AstrHori 18mm f/8 (APS-C) 90° Macro Probe fit?

The AstrHori 18mm f/8 (APS-C) 90° Macro Probe fits all Micro Four Thirds cameras. There its field of view equals 36 mm in full-frame terms (crop factor 2).

Micro Four Thirds cameras

Micro Four Thirds:: OM System PEN,OM System OM-3,OM System OM-5 Mark II,Panasonic Lumix G97 (G99M2),Panasonic Lumix GH7,OM System OM-1 Mark II,Panasonic Lumix G9 II,Panasonic Lumix G100D,OM System OM-5,OM System OM-1,Panasonic Lumix GH6,Panasonic Lumix GH5 II,Olympus PEN E-P7,Olympus OM-D E-M10 Mark IV,Olympus OM-D E-M1 Mark III,Panasonic Lumix G100 (G110),Panasonic Lumix BGH1,Olympus PEN E-PL10,Olympus OM-D E-M5 Mark III,Panasonic Lumix G95 (G90, G91),Olympus OM-D E-M1X,Panasonic Lumix GX9,Panasonic Lumix GF10 (GF90, GX880),Olympus PEN E-PL9,Panasonic Lumix GH5S,Blackmagic Pocket Cinema Camera 4K,Panasonic Lumix G9,Olympus OM-D E-M10 Mark III (Mark III S),Panasonic Lumix GF9 (GX850, GX800),Panasonic Lumix GH5,Olympus PEN E-PL8,Olympus OM-D E-M1 Mark II,Panasonic Lumix G85 (G80, G81),Panasonic Lumix GX85 (GX80, GX7 Mark II),Olympus PEN-F,Olympus OM-D E-M10 Mark II,Panasonic Lumix GX8,Panasonic Lumix G7,Panasonic Lumix GF7,Olympus Air A01,Olympus OM-D E-M5 Mark II,Panasonic Lumix GM5,Olympus PEN E-PL7,Panasonic Lumix GH4,Olympus OM-D E-M10,Panasonic Lumix GM1,Olympus OM-D E-M1,Panasonic Lumix GX7,Olympus PEN E-PL6,Olympus PEN E-P5,Panasonic Lumix G6,Panasonic Lumix GF6,Blackmagic Pocket Cinema Camera,Olympus PEN E-PM2,Olympus PEN E-PL5,Panasonic Lumix GH3,Panasonic Lumix G5,Panasonic Lumix GF5,Olympus OM-D E-M5,Blackmagic Cinema Camera (MFT),Panasonic Lumix GX1,Olympus PEN E-PM1,Olympus PEN E-PL3,Olympus PEN E-P3,Panasonic Lumix GF3,Panasonic Lumix G3,Olympus PEN E-PL2,Panasonic Lumix GF2,Panasonic Lumix GH2,Panasonic Lumix G2,Panasonic Lumix G10,Olympus PEN E-PL1 (E-PL1s),Olympus PEN E-P2,Panasonic Lumix GF1,Olympus PEN E-P1,Panasonic Lumix GH1,Panasonic Lumix G1