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SIGMA
Sigma 210306 18-35mm F1.8 DC HSM Art Lens for Nikon APS-C
Wide-angle to standard zoom for Nikon APS-C DSLRs with constant F1.8 aperture and ultrasonic AF motor
- Constant F1.8 aperture across 18-35mm zoom for low-light depth
- 27-52.5mm equivalent range covers wide to normal on APS-C
- Ring-type ultrasonic AF motor with full-time manual override
- 28 m minimum focus for close-up detail
- 72mm filter thread fits standard accessories
Sigma 18-35mm F1.8 Art Lens for Nikon APS-C
This constant-aperture zoom covers a wide-to-normal range for APS-C sensors, delivering a 27-52.5mm equivalent field of view. It targets photographers who need a bright F1.8 maximum aperture across the entire 18-35mm focal span for low-light and creative depth-of-field work. The lens accepts 72mm filters and focuses down to 0.28 m for close-up flexibility. It is not suited for full-frame cameras or users requiring longer telephoto reach.
Optical performance across the zoom range
Special Low Dispersion elements help control curvature aberrations and minimise astigmatism throughout the 18-35mm range. Internal focusing and zooming maintain the lens length during operation, which aids consistent handling and filter orientation. The ring-type ultrasonic-type AF motor provides quick autofocus with full-time manual override for precise adjustments. The constant F1.8 aperture ensures exposure settings remain stable while zooming.
Handling, thermals and power in use
The lens draws power from the camera body via the Nikon F-mount, adding no separate battery requirement. Its internal mechanical design avoids extending barrels, keeping balance steady during extended shooting sessions. No active cooling or motor noise specifications are provided, so acoustic performance in quiet environments cannot be characterised. The 72mm filter thread adds minimal bulk for protection or creative accessories.
Highlights
- Constant F1.8 aperture across 18-35mm zoom for low-light depth
- 27-52.5mm equivalent range covers wide to normal on APS-C
- Ring-type ultrasonic AF motor with full-time manual override
- 28 m minimum focus for close-up detail
- 72mm filter thread fits standard accessories
Specifications
| Brand | Sigma |
|---|---|
| Model | Not Available |
Questions about this item
How much heat or noise does the 18-35mm f/1.8 lens generate during all-day shooting?
The lens has no moving electronics that produce heat or audible noise; only the ring-type ultrasonic AF motor operates, which is silent and runs cool even during continuous use.
What camera body and mount must I already own for this 18-35mm f/1.8 lens to work?
You need a Nikon DX-format DSLR with an F-mount; the lens is designed exclusively for APS-C sensors and will not cover a full-frame image circle.
Will the 72 mm filter thread and 18-35 mm zoom range work with my older Nikon F-mount lenses and accessories?
Yes, the 72 mm thread accepts your existing filters, and the focal range complements older F-mount primes while the internal zoom keeps the barrel length constant for consistent handling.
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