Nikon AF-S DX NIKKOR vs SIRUI
Updated July 2026 — Nikon AF-S DX NIKKOR wins on focal length, SIRUI wins on weight and image circle.
The Nikon AF-S DX NIKKOR 35mm f/1.8G Lens is a budget-friendly option for photographers, while the SIRUI 20mm T1.8 Anamorphic Lens offers specialized features for filmmakers.
Why Nikon AF-S DX NIKKOR is better
Price
Nikon lens is significantly cheaper.
Weight
Nikon lens is lighter.
Versatility
Nikon lens is better for general photography.
Why SIRUI is better
Cinematic Quality
SIRUI lens provides anamorphic capabilities.
Low-Light Performance
SIRUI lens has superior low-light features.
Autofocus Features
SIRUI lens offers advanced autofocus options.
Overall score
Specifications
| Spec | Nikon AF-S DX NIKKOR | SIRUI |
|---|---|---|
| Autofocus | Silent Wave Motor | STM Stepping Motor |
| Lens Type | Prime | Anamorphic |
| Compatibility | Nikon DSLR | E Mount Cameras |
| Max Reproduction | 0.16x | N/A |
| Bokeh | Rounded 7-blade | Oval |
Dimension comparison
Overview of the Nikon AF-S DX NIKKOR 35mm f/1.8G Lens
The Nikon AF-S DX NIKKOR 35mm f/1.8G Lens is priced at $213.31, making it significantly more budget-friendly than its counterpart. This prime lens is designed specifically for Nikon DSLR cameras, offering a versatile focal length that approximates the human eye's perspective. With a fast f/1.8 aperture, it excels in low-light conditions while providing beautiful bokeh effects. The lens features a silent wave motor for quick and quiet autofocus, making it suitable for both photography and video work. Its compact design is ideal for travel and everyday shooting, allowing users to capture high-quality images without the bulk of larger zoom lenses.
Overview of the SIRUI 20mm T1.8 Anamorphic Lens
The SIRUI 20mm T1.8 Anamorphic Lens is priced at $599.00, reflecting its specialized capabilities for filmmakers. This lens offers a 1.33x squeeze factor, producing a cinematic 2.35:1 widescreen ratio that enhances the visual storytelling experience. It is optimized for Super 35 and APS-C sensors, ensuring excellent image clarity and coverage. With a fast T1.8 aperture, the lens allows for superior low-light performance and depth of field control, making it ideal for creative cinematography. Additionally, it features selectable manual and autofocus, providing flexibility for both professional and independent filmmakers.
Image Quality Comparison
When it comes to image quality, the Nikon AF-S DX NIKKOR 35mm f/1.8G Lens is engineered to minimize lens aberrations, thanks to its aspherical lens element. This design improves overall image integrity while delivering sharp, vibrant images. The lens also employs Nikon’s Super Integrated Coating, enhancing light transmission and reducing flare. In contrast, the SIRUI 20mm T1.8 Anamorphic Lens, with its unique anamorphic design, offers a striking cinematic perspective that captures stunning visuals with a characteristic oval bokeh. Both lenses deliver high-quality images, but their applications differ significantly, with Nikon catering more to general photography and SIRUI focusing on cinematic needs.
Low-Light Performance
The low-light performance of the Nikon AF-S DX NIKKOR 35mm f/1.8G is commendable, thanks to its wide f/1.8 aperture, which allows for increased light intake. This makes it perfect for capturing clear images in dim settings without compromising quality. On the other hand, the SIRUI 20mm T1.8 lens features an ultra-fast T1.8 aperture that similarly excels in low-light conditions. The lens facilitates reduced ISO requirements, resulting in clearer night scenes and enhanced subject focus. While both lenses perform well in low-light environments, the SIRUI lens’s design offers additional creative capabilities for filmmakers.
Autofocus Capabilities
The Nikon AF-S DX NIKKOR 35mm f/1.8G includes a silent wave motor that enables quick and quiet autofocus, making it an excellent choice for both photography and videography. Its manual focus override allows for instant switching during autofocus operation, providing versatility in various shooting scenarios. In contrast, the SIRUI 20mm T1.8 lens is equipped with a precision STM stepping motor, which also ensures smooth and quiet autofocus. Additionally, it features eye-tracking capabilities and an AF/MF switch, giving filmmakers precise control over their focus. For users who value fast and reliable autofocus, both lenses offer strong performance, but the SIRUI lens provides added features tailored for video creators.
Weight and Portability
Weighing in at approximately 70mm x 52.5mm, the Nikon AF-S DX NIKKOR 35mm f/1.8G is designed to be compact and lightweight, making it a convenient option for everyday photography and travel. It fits easily into bags without adding significant bulk. In contrast, the SIRUI 20mm T1.8 lens weighs only 480g (1.06lb), making it a lightweight choice for filmmakers. Its compact design makes it ideal for handheld shooting and gimbal work, enhancing portability for creators on the go. Both lenses are designed with portability in mind, but the SIRUI lens is particularly suited for dynamic shooting environments.
Price Point Analysis
The difference in price points between the Nikon AF-S DX NIKKOR 35mm f/1.8G Lens and the SIRUI 20mm T1.8 Anamorphic Lens is significant, with the SIRUI lens costing $599.00 compared to the Nikon lens's price of $213.31. This makes the Nikon approximately 64% cheaper than the SIRUI option. The cost difference reflects the specialized features and capabilities of the SIRUI lens aimed at filmmakers, while the Nikon lens caters to everyday photographers seeking quality at a lower price. Buyers must consider their specific needs when evaluating these price points.
Which should you buy?
Choosing between the Nikon AF-S DX NIKKOR 35mm f/1.8G Lens and the SIRUI 20mm T1.8 Anamorphic Lens ultimately depends on your intended use. If you're a photographer looking for a versatile, budget-friendly option that excels in everyday shooting and low-light conditions, the Nikon lens is an excellent choice. However, if you're a filmmaker needing a lens that delivers cinematic quality with unique features like anamorphic capabilities and advanced autofocus, the SIRUI lens is worth the investment. Both lenses offer exceptional quality, but they cater to different audiences and uses, making your choice a matter of personal preference and shooting style.

