Sigma 4.5mm F2.8 EX DC HSM Fisheye is a Fixed aperture Auto Focus (AF)
Ultra-Wideangle Prime lens with APS-C / DX max sensor coverage, and it is designed to be used with
F(DX) Mount cameras.
The Sigma 4.5mm F2.8 EX DC HSM Fisheye is also available in the Canon EF and Sigma SA mounts.
What type of photography is the Sigma 4.5mm F2.8 EX DC HSM Fisheye lens good for?
The choice of photography type for which you intend to use the Sigma 4.5mm F2.8 EX DC HSM Fisheye is a crucial decision factor. Below, we have assessed its suitability for various photography scenarios:
Reasons to Buy the Sigma 4.5mm F2.8 EX DC HSM Circular Fisheye Lens
Here we've included a summary of the advantages and disadvantages of the Sigma 4.5mm F2.8 EX DC HSM Circular Fisheye lens in a list form to assist you in determining whether it offers the features you need.
| Autofocus |
| Distance Scale |
| DoF(Depth of Field) Scale |
| Full-time Manual Focusing |
| Extreme Wide-angle capability |
| Min focus distance of 0.14m / 5.5 inch |
Report a correction
Buy Sigma 4.5mm F2.8 EX DC HSM Fisheye from Amazon or B&H PHOTO
We couldn't find any significant Cons for the Sigma 4.5mm F2.8 EX DC HSM Circular Fisheye
Lens Mount
Sigma 4.5mm F2.8 EX DC HSM Fisheye is compatible with cameras that have a Nikon F (DX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (DX) lenses are Nikon D3500, Nikon D7500 and Nikon D5600.
Size, Weight and Filter Thread
The size and weight are crucial factors to consider when searching for your next lens. Sigma 4.5mm F2.8 EX DC HSM Fisheye has a maximum diameter of 76mm and a total length of 78mm. It weighs 470g / 16.6 oz.
Focal Range
Sigma 4.5mm F2.8 EX DC HSM Fisheye has a fixed focal length of 5mm which has a 35mm equivalent focal range of 7.5mm when used on a APS-C / DX format camera.
Optical Image Stabilization
Sigma 4.5mm F2.8 EX DC HSM Fisheye doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Below are the 3 Ultra-Wideangle Prime type Nikon F mount lens alternatives with highest max magnification ratios:
Aperture
The Sigma 4.5mm F2.8 EX DC HSM Circular Fisheye features a maximum aperture of F2.8 and can be stopped down to a minimum aperture of F22. An aperture of F2.8 provides a solid balance, offering capable low-light performance and giving you plenty of flexibility when shooting indoors or during golden hour. Given the wider 5mm field of view, the background will naturally stay a bit more in focus, making it ideal for environmental portraits, street photography, or landscapes where context matters. The minimum setting of F22 is excellent for deep depth of field work like macro photography, though you may want to avoid the absolute smallest settings to skip the sharpness loss caused by optical diffraction.
Optical Formula
Sigma 4.5mm F2.8 EX DC HSM Fisheye's optical formula consists of 13 elements in 9 groups . Special elements used in this design is SLD glass.
Body Colour
Sigma 4.5mm F2.8 EX DC HSM Fisheye is available in Black color.
Popular Comparisons of Sigma 4.5mm F2.8 EX DC HSM Fisheye
Here are the 8 most popular comparisons of the Sigma 4.5mm F2.8 EX DC HSM Fisheye amongst Camera Decision readers.
Top Alternatives of Sigma 4.5mm F2.8 EX DC HSM Fisheye Lens
In addition, it would be interesting to check which lenses from other mounts are most commonly compared with the Sigma 4.5mm F2.8 EX DC HSM Circular Fisheye.
Top Alternatives of Sigma 4.5mm F2.8 EX DC HSM Fisheye in Other Lens Mounts
**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate, I earn from qualifying purchases.
