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TTArtisan vs YONGNUO YN50mm F1.8N Standard Prime Lens, Large

Updated July 2026 — TTArtisan wins on weight and size, YONGNUO YN50mm F1.8N Standard Prime Lens, Large wins on value.

The TTArtisan 40mm F2 L offers superior low-light performance and autofocus capabilities, while the YONGNUO YN50mm F1.8N is a more budget-friendly option. Choose based on your camera system and shooting needs.

Why TTArtisan is better

Low-Light Performance

TTArtisan has a larger aperture of F2.

Autofocus Speed

TTArtisan features a quiet and fast STM autofocus.

Optical Quality

TTArtisan incorporates advanced optical elements.

Why YONGNUO YN50mm F1.8N Standard Prime Lens, Large is better

Price

YONGNUO is $66 cheaper.

Versatility

YONGNUO supports both AF and MF modes.

Compatibility

YONGNUO is compatible with Nikon DSLRs.

Overall score

TTArtisan
85
YONGNUO YN50mm F1.8N Standard Prime Lens, Large
75

Specifications

SpecTTArtisanYONGNUO YN50mm F1.8N Standard Prime Lens, Large
ApertureF2F1.8
Focal Length40mm50mm
AutofocusYesYes
Optical ElementsED & ASPHStandard
Camera CompatibilityL MountNikon DSLR

Dimension comparison

TTArtisanYONGNUO YN50mm F1.8N Standard Prime Lens, Large

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

The TTArtisan 40mm F2 L and YONGNUO YN50mm F1.8N are two distinct prime lenses catering to different camera systems. The TTArtisan is designed for L mount system cameras, while the YONGNUO is optimized for Nikon DSLRs. With a price difference of $66, the TTArtisan retails for $168.00, while the YONGNUO is priced at $102.00, making the latter about 39% cheaper.

Aperture and Low-Light Performance

When it comes to aperture, the YONGNUO YN50mm F1.8N boasts a larger maximum aperture of F1.8, allowing more light to enter the lens compared to the TTArtisan 40mm F2 L. This characteristic makes the YONGNUO particularly effective in low-light conditions and for achieving a shallow depth of field. The difference in aperture size can significantly impact the creative possibilities for photographers who enjoy working in dim environments or want to create beautifully blurred backgrounds.

Autofocus Capabilities

The TTArtisan 40mm F2 L features a quiet and fast autofocus system, thanks to its STM stepping motor. This ensures quick, smooth, and precise focusing, making it suitable for capturing fleeting moments without noise distractions. On the other hand, the YONGNUO YN50mm F1.8N supports both auto and manual focus modes, offering versatility for different shooting scenarios. However, the lack of specific mention of a sophisticated autofocus system indicates that while it may perform adequately, it may not match the TTArtisan's speed and quietness.

Image Quality and Optical Design

Optical design is critical in determining the quality of images produced by a lens. The TTArtisan 40mm F2 L incorporates ED and aspherical elements, effectively controlling chromatic aberration while maintaining clarity. This results in excellent image quality across a range of conditions. The YONGNUO YN50mm F1.8N, while also delivering quality images, does not explicitly mention advanced optical elements, which may suggest it lacks the same level of refinement as the TTArtisan. This difference in optical construction could be noticeable, especially in high-contrast situations.

Build Quality and Portability

In terms of build quality, the TTArtisan 40mm F2 L weighs between 167-176 grams, emphasizing its compact design that supports flexible shooting angles. The lightweight nature of the lens makes it easy to carry for extended periods, especially for street or travel photography. The YONGNUO YN50mm F1.8N is similarly designed for ease of use but does not provide specific weight details. The TTArtisan’s compactness may appeal more to photographers looking for a portable solution without compromising performance.

Versatility for Different Photography Styles

The TTArtisan 40mm F2 L is highlighted as an ideal choice for street, travel, documentary, and everyday photography. Its versatile 40mm focal length strikes a balance between environmental context and subject isolation. In contrast, the YONGNUO YN50mm F1.8N, with its 50mm focal length, is a classic choice for portraiture and general photography. While both lenses offer versatility, the choice largely depends on the individual photographer's style and preferred focal length.

Compatibility with Camera Systems

The TTArtisan 40mm F2 L is specifically designed for L mount system cameras, making it compatible with Sigma FP, FPL, and several Panasonic models. This specialized compatibility enhances its functionality for users of these systems. Meanwhile, the YONGNUO YN50mm F1.8N caters to Nikon DSLR users, supporting full-frame and APS-C formats. This focus on specific mounts means each lens can deliver optimal performance tailored to its intended camera systems.

Which should you buy?

Choosing between the TTArtisan 40mm F2 L and YONGNUO YN50mm F1.8N ultimately depends on your specific needs as a photographer. If you prioritize low-light performance and fast autofocus, the TTArtisan may be worth the higher price at $168.00. However, if you're seeking a more budget-friendly option that still delivers quality images, the YONGNUO at $102.00 offers great value. Consider your camera system, preferred shooting style, and whether the benefits of the TTArtisan justify the additional cost.