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AstrHori 18mm f/8 Macro Probe

Leica L-Mount

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

Built as a macro probe for APS-C on L-Mount, this 18 mm prime has a full-frame equivalent of 27 mm. It reaches a magnification of 2:1 with a minimum focus distance of 47 cm and a maximum aperture of f/8. The barrel is 458 mm long and 60 mm in diameter, and the weight is 698 g. Focusing is manual. It fits macro, product and video work.

Good for

  • Macro
  • Product
  • Video

Worth knowing

  • APS-C image circle: on full-frame cameras only usable in crop mode, at reduced resolution.
  • 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 is designed for APS-C sensors. On APS-C L-Mount cameras its field of view equals 27 mm in full-frame terms. Full-frame bodies use it in APS-C (crop) mode, recording only part of the sensor and fewer megapixels.

L-Mount cameras

Full frame (in APS-C mode):
Leica SL3-P,Leica SL3-S,Sigma BF,Panasonic Lumix S1II,Panasonic Lumix S1IIE,Panasonic Lumix S1RII,Leica SL3,Panasonic Lumix S9,Blackmagic PYXIS 6K,Panasonic Lumix S5II,Panasonic Lumix S5IIX,Blackmagic Cinema Camera 6K,Panasonic Lumix BS1H,Leica SL2-S,Panasonic Lumix S5,Sigma fp L,Leica SL2,Panasonic Lumix S1,Panasonic Lumix S1R,Panasonic Lumix S1H,Sigma fp,Leica SL (Typ 601)
APS-C:
Leica CL,Leica TL2,Leica TL,Leica T (Typ 701)

AstrHori 18mm f/8 Macro Probe compared

Key specs side by side with the most similar L-Mount lenses.

LensAstrHori 18mm f/8 Macro ProbeAstrHori 18mm f/8 (APS-C) 90° Macro ProbeAstrHori 18mm f/5.6 ShiftAstrHori 18mm f/8 Shift
Focal length18 mm18 mm18 mm18 mm
Max. aperturef/8f/8f/5.6f/8
Weight698 g760 g–164 g
Filter diameter––58 mm58 mm
Min. focus distance47 cm47 cm30 cm34 cm
Length458 mm470 mm36 mm36 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.

Is the AstrHori 18mm f/8 Macro Probe a full-frame lens?

No, the AstrHori 18mm f/8 Macro Probe is an APS-C lens. On APS-C cameras its field of view equals 27 mm in full-frame terms.

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