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

At a Glance

The NiSi 15mm f/4 Sunstar ASPH is a manual focus wide-angle lens designed for full frame and used here on the APS-C Fujifilm X mount. Its 15 mm becomes a 23 mm full-frame equivalent at f/4. It has a 10-blade aperture, an all-metal construction and focuses down to 20 cm. It suits landscape and reportage.

Good for

Landscape
Reportage

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: 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 fits all Fujifilm X-Mount cameras. There its field of view equals 23 mm in full-frame terms (crop factor 1.5).

Fujifilm X-Mount cameras

APS-C:: Fujifilm X-T30 III,Fujifilm X-E5,Fujifilm X-M5,Fujifilm X-T50,Fujifilm X-S20,Fujifilm X-T5,Fujifilm X-H2,Fujifilm X-H2S,Fujifilm X-T30 II,Fujifilm X-E4,Fujifilm X-S10,Fujifilm X-T4,Fujifilm X-T200,Fujifilm X-Pro3,Fujifilm X-A7,Fujifilm X-T30,Fujifilm X-T3,Fujifilm X-T100,Fujifilm X-H1,Fujifilm X-A5,Fujifilm X-E3,Fujifilm X-T20,Fujifilm X-A10,Fujifilm X-A3,Fujifilm X-T2,Fujifilm X-E2S,Fujifilm X-Pro2,Fujifilm X-T1 IR,Fujifilm X-T10,Fujifilm X-A2,Fujifilm X-T1,Fujifilm X-E2,Fujifilm X-A1,Fujifilm X-M1,Fujifilm X-E1,Fujifilm X-Pro1