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NiSi 15mm f/4 Sunstar ASPH

Nikon Z (DX/FX)

NiSi 15mm f/4 Sunstar ASPH

Focal length
15 mm
Aperture
f/4
Weight
470 g
Filter diameter
72 mm
Min. focus distance
20 cm
Length
80.5 mm
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At a Glance

On Nikon Z full frame, this ultra-wide prime gives 15 mm at f/4 and is focused entirely by hand. The wide view suits landscape, architecture and interiors. It focuses down to 20 cm, weighs 470 g and has an all-metal construction. An aspherical element is part of the optical design.

Good for

  • Landscape
  • Architecture
  • Interiors

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
15 mm
Max. focal length
15 mm
Max. aperture (min. zoom)
f/4
Max. aperture (max. zoom)
f/4
Min. aperture
f/22
Elements
12
Groups
10
Weight
470 g (1.04 lb)
Filter diameter
72 mm
Min. focus distance
20 cm (7.87 in)
Max. magnification
1:7.7 (0.13×)
Length
80.5 mm (3.17 in)
Diameter
75.6 mm (2.98 in)
Announced
January 2021

Manufacturer data: cdn1.nisifilters.com.au, en.nisioptics.com, en.nisioptics.com, en.nisioptics.com

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 NiSi 15mm f/4 Sunstar ASPH fit?

The NiSi 15mm f/4 Sunstar ASPH is a full-frame lens for Nikon Z cameras. On full-frame bodies it uses the whole sensor; on APS-C Nikon Z cameras its field of view equals 23 mm in full-frame terms.

Nikon Z cameras

Full frame:
Nikon Z5IIC,Nikon ZR,Nikon Z5II,Nikon Z6III,Nikon Z8,Nikon Zf,Nikon Z9,Nikon Z5,Nikon Z6II,Nikon Z7II,Nikon Z6,Nikon Z7
APS-C:
Nikon Z50II,Nikon Z30,Nikon Z fc,Nikon Z50

NiSi 15mm f/4 Sunstar ASPH compared

Key specs side by side with the most similar Nikon Z lenses.

LensNiSi 15mm f/4 Sunstar ASPH7artisans Photoelectric 15mm f/4Venus Laowa 15mm F4.5 Zero-D ShiftVenus Laowa 15mm f/4.5R Zero-D Shift
Focal length15 mm15 mm15 mm15 mm
Max. aperturef/4f/4f/4.5f/4.5
Weight470 g536 g597 g597 g
Filter diameter72 mm77 mm––
Min. focus distance20 cm40 cm20 cm20 cm
Length80.5 mm97 mm103 mm103 mm
Autofocusnononono
Image stabilizationnononono
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NiSi 15mm f/4 Sunstar ASPH: FAQ

Does the NiSi 15mm f/4 Sunstar ASPH have autofocus?

No, the NiSi 15mm f/4 Sunstar ASPH has no autofocus; you focus it manually.

Does the NiSi 15mm f/4 Sunstar ASPH have image stabilization?

No, the NiSi 15mm f/4 Sunstar ASPH has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.

How much does the NiSi 15mm f/4 Sunstar ASPH weigh?

The NiSi 15mm f/4 Sunstar ASPH weighs 470 g. It is 80.5 mm long with a diameter of 75.6 mm.

What filter size does the NiSi 15mm f/4 Sunstar ASPH use?

The NiSi 15mm f/4 Sunstar ASPH takes 72 mm screw-in filters.

How close can the NiSi 15mm f/4 Sunstar ASPH focus?

The minimum focus distance of the NiSi 15mm f/4 Sunstar ASPH is 20 cm, measured from the sensor plane.

Is the NiSi 15mm f/4 Sunstar ASPH a full-frame lens?

Yes, the NiSi 15mm f/4 Sunstar ASPH covers full frame. On APS-C cameras its field of view equals 23 mm in full-frame terms.

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