Introduction

Product Description Features Super Multi-Layer coating on the lens elements. Uses a stepping motor for autofocus. Supports face / eye detection AF, video AF, in-camera image correction, and other functions. Compatible with APS-C mirrorless cameras. Available in Sony E-mount and Leica L-mount versions.

⭐ Product Highlights

• Focal Length 18-50mm / Maximum Aperture f/2.8
• Mount: Sony E
• Positioning: Ultra-wide-angle

📋 Product Specifications

Specifications Source:https://www.bhphotovideo.com/c/product/1667228-REG/sigma_18_50mm_f_2_8_dg_dn.html; Only optional specifications supported by original sources are listed; required items that have not been verified retain their labels, and values are not inferred.

🆚 Comparison of Models in the Same Series

❓ Frequently Asked Questions

Q: How should I choose between the SIGMA 18-50mm f/2.8 DC DN Contemporary for Sony E and other lenses in the same class?
A: This is the SIGMA 18-50mm f/2.8 lens, designed primarily for ultra-wide-angle subjects (landscapes / architecture / astrophotography). The comparison table for the same series (above) lists the focal length / aperture / positioning differences between the available models from the same brand. Choose according to your main shooting subjects.

Q: Will a wide-angle lens cause distortion?
A: Perspective distortion around the edges of ultra-wide-angle lenses is an optical characteristic. For architectural subjects, you can use in-camera correction or fix it in post-processing.

Q: Which camera bodies are compatible with the SIGMA 18-50mm f/2.8 DC DN Contemporary for Sony E? Can it be used with all Sony E camera bodies?
A: This lens uses the Sony E mount. Please confirm that your camera body has the matching mount before purchase. If you need to adapt it to another system, please check with the store first regarding adapter compatibility.

Q: What shooting scenarios is this lens suitable for?
A: With an 18-50mm focal length and f/2.8 aperture, it is suitable for wide scenes such as landscapes, architecture, and astrophotography.

Q: Does it have image stabilization? How stable is it when shooting handheld?
A: Please refer to the official page for the stabilization specifications (see the “Stabilization” column in the specifications table; items that have not been verified are marked “To be verified”). A fast-aperture lens can be used at high ISO with shutter-priority mode in low-light conditions; telephoto lenses are recommended for use with a tripod or monopod.

Q: Is it an official local product or a parallel import? What warranty is included?
A: The version sold by our store and the warranty arrangements are subject to the store’s policies (parallel import / manufacturer warranty arrangements; please contact the store for details). The receipt and warranty documents will be included with the shipment.

Q: Can it be returned or exchanged? Is repair service available if it breaks?
A: Please refer to the store’s return, exchange, and repair policies for details. For after-sales support in Hong Kong, please contact the store directly.