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AstrHori 18mm f/8 Macro Probe

Micro Four Thirds (MFT/M43)

AstrHori 18mm f/8 Macro Probe

Focal length
18 mm
Aperture
f/8
Weight
698 g
Filter diameter
–
Min. focus distance
47 cm
Length
458 mm
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At a Glance

On Micro Four Thirds, the 18 mm macro probe becomes a moderate wide-angle with a full-frame equivalent of 36 mm. Magnification reaches 2:1, the minimum focus distance is 47 cm and the maximum aperture is f/8. The barrel is 458 mm long and 60 mm in diameter, and the weight is 698 g. Focusing is always manual. It suits macro, product and video.

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

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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
698 g (1.54 lb)
Filter diameter
–
Min. focus distance
47 cm (18.5 in)
Max. magnification
2:1 (2×)
Length
458 mm (18.03 in)
Diameter
60 mm (2.36 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 Macro Probe fit?

The AstrHori 18mm f/8 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

AstrHori 18mm f/8 Macro Probe compared

Key specs side by side with the most similar Micro Four Thirds lenses.

LensAstrHori 18mm f/8 Macro ProbeAstrHori 18mm f/8 (APS-C) 90° Macro ProbeOlympus Body Cap Lens 15mm F8.0Venus Laowa Aksen 17.5mm F1.7 5-10X Ultra Macro APO
Focal length18 mm18 mm15 mm17.5 mm
Max. aperturef/8f/8f/8f/1.7
Weight698 g760 g22 g570 g
Filter diameter––––
Min. focus distance47 cm47 cm30 cm–
Length458 mm470 mm9 mm127.5 mm
Autofocusnononono
Image stabilizationnononono
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AstrHori 18mm f/8 Macro Probe: FAQ

Does the AstrHori 18mm f/8 Macro Probe have autofocus?

No, the AstrHori 18mm f/8 Macro Probe has no autofocus; you focus it manually.

Does the AstrHori 18mm f/8 Macro Probe have image stabilization?

No, the AstrHori 18mm f/8 Macro Probe has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.

How much does the AstrHori 18mm f/8 Macro Probe weigh?

The AstrHori 18mm f/8 Macro Probe weighs 698 g. It is 458 mm long with a diameter of 60 mm.

How close can the AstrHori 18mm f/8 Macro Probe focus?

The minimum focus distance of the AstrHori 18mm f/8 Macro Probe is 47 cm, measured from the sensor plane.

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