Quick Summary
The Sigma 4.5mm F2.8 EX DC HSM Circular Fisheye Lens for Nikon digital SLR cameras is a specialist lens for photographers who want a circular image with a 180 degrees view in all directions. It is designed for Nikon digital SLRs with an APS C size image sensor and features a fast f/2.8 maximum aperture.
Who It Is Best For
This lens suits Nikon digital SLR users who want a distinctive fisheye look for creative photography. It is also a practical choice for photographers using panoramic computer stitching software, where an extreme field of view can be useful.
What To Know Before You Buy
It is exclusively designed for Nikon digital SLRs with an APS C size image sensor, so checking camera compatibility before ordering is important.
Pros: Circular fisheye look with a 180 degrees view, fast f/2.8 aperture, and HSM autofocus for high speed focusing.
Cons: This is a specialist lens, so it is best suited to creative or panoramic work rather than general purpose shooting.
Common Buyer Questions
What kind of image does this lens produce?
It produces a circular image with a 180 degrees view in all directions.
Which cameras is it made for?
It is designed for Nikon digital SLRs with an APS C size image sensor.
Does it have autofocus?
Yes, it features high speed HSM autofocus.
Is it suitable for low light use?
It has a fast f/2.8 maximum aperture, which can be useful when you want more light through the lens.
Can it help with panoramic work?
Yes, it is described as perfect for photographers using panoramic computer stitching software.
Key Details
| Detail | What it means in use |
|---|---|
| Brand | Sigma |
| Lens type | Circular fisheye lens |
| Focal length | 4.5mm |
| Maximum aperture | f/2.8 |
| Mount use | For Nikon digital SLR cameras |
| Sensor support | APS C size image sensor |
| Autofocus | High speed HSM autofocus |
| Optical feature | SLD glass |
| View | 180 degrees in all directions |
Final Buying View
The Sigma 4.5mm F2.8 EX DC HSM Circular Fisheye Lens is a clear choice if you want a specialist Nikon compatible lens for a circular fisheye effect and wide creative coverage. It brings together a fast aperture, HSM autofocus, and a design aimed at APS C Nikon digital SLRs. If that matches your camera and the kind of images you want to make, it is worth considering closely.





