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TTArtisan vs YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus

Updated July 2026 — TTArtisan wins on weight and build, YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus wins on price and aperture.

The TTArtisan 40mm F2 L offers superior optical quality and versatility, while the YONGNUO YN50mm F1.8 is a budget-friendly option with good performance.

Why TTArtisan is better

Optical Quality

TTArtisan has advanced optical elements.

Low-Light Performance

TTArtisan's F2.0 aperture is effective.

Minimum Focus

TTArtisan has a shorter minimum focusing distance.

Why YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus is better

Price

YONGNUO is significantly cheaper.

Aperture Size

YONGNUO has a larger F1.8 aperture.

Flexibility

YONGNUO supports both auto and manual focus.

Overall score

TTArtisan
85
YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus
75

Specifications

SpecTTArtisanYONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus
Max ApertureF2.0F1.8
Min Focus Dist.0.4m0.45m
AutofocusYesYes
BrandTTARTISANYONGNUO
CompatibilityL MountCanon EF

Dimension comparison

TTArtisanYONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus

Overview of the TTArtisan 40mm F2 L and YONGNUO YN50mm F1.8

The TTArtisan 40mm F2 L is designed specifically for L mount system cameras, while the YONGNUO YN50mm F1.8 is tailored for Canon EF mount cameras. The TTArtisan lens is priced at $168.00, making it a premium option, whereas the YONGNUO lens is significantly more budget-friendly at $82.00, which is about 51% cheaper. This price difference makes the YONGNUO an attractive choice for entry-level photographers or those looking to save on their gear without sacrificing quality.

Build Quality and Design

When it comes to build quality, the TTArtisan 40mm F2 L offers a compact and lightweight design, weighing only 167-176 grams. This makes it easy to handle and versatile for various photography styles. In contrast, the YONGNUO YN50mm F1.8 also boasts a lightweight structure, although specific weight details are not provided. The TTArtisan lens incorporates advanced optical elements, including ED and aspherical components, to minimize chromatic aberration and enhance clarity. The YONGNUO lens uses multi-coated lenses to improve light transmission, which is essential for achieving clear images.

Aperture and Low-Light Performance

The TTArtisan 40mm F2 L features a maximum aperture of F2.0, allowing it to perform well in low-light conditions by letting in more light for faster shutter speeds. This is particularly beneficial for street and documentary photography. The YONGNUO YN50mm F1.8, with its larger F1.8 aperture, provides even greater low-light performance, enabling photographers to create beautifully blurred backgrounds and capture detailed images in dimly lit environments. For those who prioritize shooting in low-light settings, the YONGNUO lens could be the better option.

Autofocus Capabilities

The TTArtisan 40mm F2 L is equipped with a quiet and fast autofocus system, utilizing an STM stepping motor for smooth and precise focusing. This feature is particularly advantageous for capturing moving subjects or shooting video, where noise can be a concern. On the other hand, the YONGNUO YN50mm F1.8 supports both auto focus and manual focus modes, giving photographers flexibility in their shooting style. While both lenses provide good autofocus performance, the TTArtisan's advanced motor may offer a slight edge in terms of speed and quiet operation.

Focal Length Versatility

The TTArtisan 40mm F2 L’s focal length is versatile, making it ideal for various photography styles, including street, travel, and everyday photography. Its 40mm focal length strikes a balance between subject isolation and environmental context. Conversely, the YONGNUO YN50mm F1.8 has a standard 50mm focal length, which is often considered a classic choice for portrait photography. While both lenses serve different photographic needs, the TTArtisan lens may appeal to those looking for a versatile option for diverse shooting scenarios.

Minimum Focusing Distance

The TTArtisan 40mm F2 L boasts a minimum focusing distance of 0.4 meters, enabling photographers to get closer to their subjects and capture intricate details, such as facial expressions. In comparison, the YONGNUO YN50mm F1.8 has a minimum focusing distance of 0.45 meters, which is slightly less advantageous for macro-like photography. While both lenses allow for close-up shots, the TTArtisan's shorter minimum focusing distance provides a minor but notable benefit for detail-oriented photography.

Price Considerations

The price difference between the two lenses is significant, with the TTArtisan 40mm F2 L costing $168.00 compared to the YONGNUO YN50mm F1.8's price of $82.00. This makes the YONGNUO lens about 51% cheaper than the TTArtisan. For photographers operating on a budget, the YONGNUO lens presents a compelling value proposition without sacrificing essential features. However, those who can justify the investment may find the enhanced capabilities of the TTArtisan lens worth the extra cost.

Which should you buy?

Ultimately, the decision between the TTArtisan 40mm F2 L and the YONGNUO YN50mm F1.8 will depend on your specific needs and budget. If you're looking for a versatile lens with advanced optical quality and low-light performance, the TTArtisan is a strong contender. However, if you're a budget-conscious photographer seeking a reliable lens for general use and portrait photography, the YONGNUO offers excellent value. Choose based on your priorities—whether it’s superior performance or affordability.