Canon EF-S 18- vs SIRUI

Overview of the Canon EF-S 18-135mm f/3.5-5.6 IS STM

The Canon EF-S 18-135mm f/3.5-5.6 IS STM offers a versatile zoom range ideal for both photography and videography. Priced at $329.95, it features a refined Image Stabilization system that provides up to four stops of shake correction. This lens is particularly well-suited for those who require flexibility in their shooting situations, whether capturing dynamic scenes or still images.

This lens boasts an inner focusing system and is designed to provide high-quality images with reduced chromatic aberration thanks to its construction of 16 elements in 12 groups. It is compatible with the Canon EOS Rebel series and supports smooth, quiet autofocus during video shooting, making it a solid choice for content creators.

Overview of the SIRUI 20mm T1.8 1.33X Anamorphic Lens

The SIRUI 20mm T1.8 1.33X Anamorphic Lens is priced at $599.00 and delivers an immersive cinematic experience with its 1.33x squeeze factor. This allows users to achieve a stunning widescreen ratio of 2.35:1 in 16:9 mode, which is perfect for filmmakers looking to create cinematic visuals without cropping their shots.

Additionally, this lens is equipped with a precision STM stepping motor, enabling smooth and accurate autofocus. The T1.8 aperture not only enhances low-light performance but also provides soft bokeh, making it ideal for artistic shots. Its compact and lightweight design makes it suitable for handheld shooting or gimbal use, appealing to independent creators and professionals alike.

Price Comparison

When comparing prices, the Canon EF-S 18-135mm f/3.5-5.6 IS STM comes in at $329.95, making it about 17% cheaper than the SIRUI 20mm T1.8, which retails for $599.00. This price difference could be significant for budget-conscious consumers or those just starting in photography and videography.

While the Canon lens provides versatility for a variety of shooting conditions, the SIRUI's higher price reflects its specialized features designed for cinematic production. Buyers need to consider whether they require the unique capabilities of an anamorphic lens or if the more general-purpose Canon lens meets their needs.

Target Audience

The Canon EF-S 18-135mm f/3.5-5.6 IS STM is well-suited for amateur photographers and videographers who appreciate a versatile zoom lens that can handle various situations—from landscapes to portraits to video capture. Its compatibility with Canon EOS models further broadens its appeal for users within that ecosystem.

On the other hand, the SIRUI 20mm T1.8 is specifically aimed at filmmakers and serious content creators who need to achieve a cinematic look. Its features, such as the anamorphic squeeze, cater to those who have a clear vision for their projects and require advanced capabilities in their lens. This distinction in target audience is crucial for potential buyers to consider.

Performance in Low Light

The performance in low light is another area where these two lenses differ significantly. The SIRUI 20mm T1.8 features an ultra-fast aperture of T1.8, allowing it to capture more light, thus reducing the need for higher ISO settings. This is particularly beneficial for shooting in dimly lit environments or for achieving a shallow depth of field with beautiful bokeh.

Conversely, the Canon EF-S lens, with its maximum aperture of f/3.5-5.6, does not perform as well in low-light conditions. While it is equipped with an effective Image Stabilization system, it may struggle to deliver the same level of clarity and detail when the light diminishes. This makes the SIRUI a better option for nighttime or indoor shooting scenarios.

Autofocus Capabilities

The autofocus capabilities of both lenses are noteworthy but cater to different uses. The Canon EF-S 18-135mm utilizes an inner focusing system and a stepping motor to achieve high-speed autofocus, which is particularly advantageous for video shooting. This lens supports Canon's Movie Servo AF feature, providing smooth and quiet autofocus transitions during filming.

In contrast, the SIRUI 20mm T1.8 also employs a precision STM stepping motor, and it enhances the autofocus experience with features like eye tracking. The lens allows users to switch between manual and autofocus, granting greater creative control over shots. For those who prioritize autofocus performance, especially in dynamic filming situations, the SIRUI lens offers additional benefits.

Lens Construction and Build Quality

The construction quality of both lenses reflects their intended use and market segment. The Canon EF-S 18-135mm f/3.5-5.6 IS STM is made with 16 elements in 12 groups, which helps reduce chromatic aberration and enhance image quality. It is designed to withstand the rigors of everyday shooting, making it a reliable option for casual users.

The SIRUI 20mm T1.8, while also robust, is optimized for cinematographers, featuring a lightweight design at just 480 grams. This makes it easier to handle during extended shoots, especially in handheld scenarios. Its advanced optical design ensures excellent coverage and image clarity, crucial for professional-grade productions.

Which should you buy?

Choosing between the Canon EF-S 18-135mm f/3.5-5.6 IS STM and the SIRUI 20mm T1.8 1.33X Anamorphic Lens ultimately depends on your specific needs and budget. If you seek a versatile, cost-effective lens for everyday photography and videography, the Canon lens at $329.95 is an excellent choice. However, if your focus is on producing cinematic quality video and you have the budget for it, the SIRUI lens priced at $599.00 offers specialized features that are hard to beat. Each lens serves distinct purposes, making it essential to align your choice with your creative goals.