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NiSi 15mm f/4 Sunstar ASPH Lens for Nikon Z (Black)

BH #NI15SSSWANZ • MFR #NISI-LENS-1540NZ
NiSi 15mm f/4 Sunstar ASPH Lens for Nikon Z (Black)
Key Features
  • Z-Mount Lens/FX Format
  • Aperture Range: f/4 to f/22
  • One Aspherical Element, Two ED Elements
  • Anti-Reflective & Hard Surface Coatings
Characterized by its ultrawide field of view, the black Nikon Z-mount NiSi 15mm f/4 Sunstar ASPH Lens is also distinguished by its distinct rendering of point light sources. Well-suited for landscapes, cityscapes, architectural, and interior applications, this ultrawide-angle prime strays from the norm with a 10 straight-bladed aperture design that promotes making clear 10-point sun stars from specular highlights throughout the aperture range. Optically, this lens sports a double-sided aspherical element and a pair of low dispersion glass elements, which help control a variety of aberrations and distortion for high sharpness, clarity, and accurate rendering. Both anti-reflective and protective coatings are featured, and the lens has a manual focus design with a 7.9" minimum focusing distance for working with close-up subjects.
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NiSi 15mm f/4 ASPH Overview

By B&H Photo's

Characterized by its ultrawide field of view, the black Nikon Z-mount NiSi 15mm f/4 Sunstar ASPH Lens is also distinguished by its distinct rendering of point light sources. Well-suited for landscapes, cityscapes, architectural, and interior applications, this ultrawide-angle prime strays from the norm with a 10 straight-bladed aperture design that promotes making clear 10-point sun stars from specular highlights throughout the aperture range. Optically, this lens sports a double-sided aspherical element and a pair of low dispersion glass elements, which help control a variety of aberrations and distortion for high sharpness, clarity, and accurate rendering. Both anti-reflective and protective coatings are featured, and the lens has a manual focus design with a 7.9" minimum focusing distance for working with close-up subjects.

Ultrawide prime is designed for FX-format Nikon Z-mount mirrorless cameras, however, it can also be used with DX models where it provides a 22.5mm equivalent focal length.
One double-sided aspherical element reduces distortion and spherical aberrations in order to achieve high sharpness and accurate rendering.
Two extra-low dispersion elements control color fringing and chromatic aberrations for accurate colors and high clarity.
Anti-reflective coating minimizes lens flare and ghosting for improved contrast when working in strong lighting conditions.
Hard surface coating protects the front element from markings and also adds a water-resistant finish.
Manual focus design permits working with subjects as close as 7.9" away.
Distinct 10 straight-blade aperture design promotes making 10-point sun stars from specular highlights throughout the aperture range.

NiSi 15mm f/4 ASPH Specs

Focal Length15mm
Maximum Aperturef/4
Minimum Aperturef/22
Lens MountNikon Z
Lens Format CoverageFull-Frame
Angle of View112°
Minimum Focus Distance7.9" / 20 cm
Maximum Magnification0.13x
Optical Design12 Elements in 10 Groups
Diaphragm Blades10
Focus TypeManual Focus
Image StabilizationNo
Filter Size72 mm (Front)
Dimensions (ø x L)3 x 3.2" / 75.6 x 80.5 mm
Weight1 lb / 470 g
Packaging Info
Package Weight1.64 lb
Box Dimensions (LxWxH)6.9 x 4.9 x 4.8"

NiSi 15mm f/4 ASPH Reviews

Great for sunstar

By Wenhui
Rated 4 out of 5
Date: 2022-03-17

This is the lens for you if you like to get a clean Sunstar, IQ/build quality are pretty good too. The only low side is not aperture info. in photo information due to no electronic contact on lens, however, you still have exposure time and ISO. I believe it is good for nightscape photograph too.

Awesome for Sunstar

By Wenhui
Rated 5 out of 5
Date: 2022-03-17

Purchased this manual lens recently, use hyperfocal on lens makes focus quiet easy. IQ is pretty good too. Light weight to carry around. The only low side is no F data cause of no electronic communication between lens and camera body, however, you still get ISO and exposure time on file. To avoid flare occurring when pointing directly to sun, you have to adjust the angle to get a good result. Recommend it if you like shooting sunstar.

Sharp and good color

By Peter
Rated 4 out of 5
Date: 2021-02-07

Received this lens in February and, as advertised, it makes very good sun stars at any aperture. The lens is sharp and the color good. The only major downside is presence of flare when shooting into the sun. Not unusual, but for a lens that features all-aperture sun stars a definite weakness. Carefully angling the lens when shooting into the sun usually helps avoid flare. Loss of contrast when shooting into the light, on the other hand, is not bad at all. Overall a pretty nice lens then, and definitely nice for the price.

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