Sigma 15mm f/2.8 EX DG Diagonal FishEye

The Sigma 15mm f/2.8 EX DG Diagonal FishEye is a type of camera glass that provides a very wide angle of view, creating a unique fish-eye effect. It can be used with different camera mounts, and there are similar alternatives from other brands. It has autofocus capabilities but can also be used in manual focus mode. The lens has 7 lens elements and a multi-coating to reduce glare and improve image quality. The lens has a high aperture value, which means it can capture more light, and the aperture has 7 blades, which can create a pleasing bokeh effect. The lens is well-built and has a long manufacturing time. It is a good choice for photographers who want to experiment with a fish-eye effect and capture unique perspectives.

with others. Here’s how I would enrich your review:

Positives:
– The Sigma 15mm f/2.8 EX DG Diagonal FishEye lens produces crisp and bright images, making it perfect for party and car photography.
– The lens is well-built and feels sturdy in the hand.
– The autofocus is fast and accurate, helping you capture your shots quickly.
– The lens is lightweight and easy to carry around, making it a great option for travel photographers.

Negatives:
– While the lens is technically a fisheye lens, it lacks some of the distortion effects that are typically associated with fisheye lenses. This may be a downside for those who are looking for a more extreme fisheye effect.

Conclusion:
Overall, the Sigma 15mm f/2.8 EX DG Diagonal FishEye lens is a great choice for photographers who want a high-quality wide-angle lens that produces sharp and clear images. While it may not be the best choice for those who are looking for an extremely distorted fisheye effect, it still offers a solid performance and great value for money. If you’re in the market for a versatile wide-angle lens, the Sigma 15mm f/2.8 EX DG Diagonal FishEye lens is definitely worth considering.

Optical design

Has 7 aperture blades, mid-grade lenses usually have this amount of blades. Having rounded blades provides out of focus circle shape closer to a circle. Bright lens thanks to the high aperture value

Physical characteristics

70 mm long, this small lens should be always in the camera bag. Weights 330 grams so plan ahead, carry only if really necessary.