AstrHori 9mm f/2.8

The AstrHori 9mm f/2.8 is a manual-focus ultra-wide-angle prime for APS-C and Micro Four Thirds mirrorless cameras, offered for Sony E, Fujifilm X, Canon RF, Micro Four Thirds and Nikon Z. AstrHori gives it a 111.4 degree angle of view and describes it as a retro-styled all-metal lens for cityscapes, landscapes, interiors and shots that call for dramatic perspective.

Optical design

The lens has 11 elements in eight groups. The seven-blade aperture runs from f/2.8 to f/16, and the angle of view is 111.4 degrees. The minimum focusing distance is 0.2 m. According to AstrHori, f/2.8 is suited to night skies and starry scenes. The lens has an integrated lens hood.

Focusing and handling

Focusing is manual through a focus ring with a distance scale, and an aperture ring with click stops sets the aperture. There is no autofocus and no stabilizer. At this focal length depth of field is large, so zone focusing with the distance scale is a practical way of working.

Build and size

The body is made of metal and is built in a classic mechanical style with a retro look. In its Sony E version the lens measures about 62 mm in diameter and 66 mm in length and weighs about 306.5 g. AstrHori says the retro styling is meant to match both mirrorless bodies and vintage-styled cameras.

Where it fits

Other ultra-wide APS-C lenses in this database include the Samyang / Rokinon 10mm F2.8 ED AS NCS CS for Fujifilm X, Micro Four Thirds and Canon EF-M, the Venus Laowa 9mm F2.8 Zero-D and the Sony E 11mm F1.8 for Sony E. The AstrHori 6.5mm f/2 Fisheye is a fisheye sibling from the same maker, covering a wider angle with a curved projection.

Pros and cons

Pros

• 111.4 degree angle of view with f/2.8 aperture
• All-metal body with an integrated lens hood
• Close focusing at 0.2 m
• Aperture ring with click stops, available for five mounts

Cons

• Manual focus only
• About 306.5 g and 66 mm long on Sony E and a 306.5 g body for a manual 9mm lens

Verdict

The AstrHori 9mm f/2.8 is a bright manual ultra-wide for APS-C and Micro Four Thirds systems. It suits architecture, interiors, landscapes and night skies for shooters who are happy to focus by hand and prefer a straightforward all-metal lens.