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

Updated July 2026 — Tamron wins on weight and length, YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus wins on min focus.

The Tamron 24mm F/2.8 lens offers superior optical performance and build quality, while the YONGNUO YN50mm F1.8 is a budget-friendly option for beginners.

Why Tamron is better

Optical Quality

Tamron lens provides sharp images with minimal aberrations.

Close Focus

Tamron has a minimum object distance of 4.7 inches.

Build Quality

Tamron features moisture-resistant construction.

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

Price

YONGNUO is significantly cheaper at $82.

Flexibility

YONGNUO supports both auto and manual focus modes.

Weight

YONGNUO is lightweight and easy to handle.

Overall score

Tamron
85
YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus
70

Specifications

SpecTamronYONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus
Max Magnification1:2N/A
Auto FocusYesYes
Lens StructureN/A5 groups 6 slices
CoatingFluorineMulti-coated
Price$199.00$82.00

Dimension comparison

TamronYONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus

Overview of the Tamron 24mm F/2.8 Di III OSD and YONGNUO YN50mm F1.8

The Tamron 24mm F/2.8 Di III OSD lens is priced at $199.00, while the YONGNUO YN50mm F1.8 lens is significantly more budget-friendly at $82.00, making it about 59% cheaper than the Tamron option. This price difference may attract beginner photographers or those looking for a cost-effective solution, but the choice between these two lenses ultimately depends on specific photography needs.

Design and Build Quality

The Tamron 24mm F/2.8 lens features a compact and lightweight design, measuring 2.5 inches in length and weighing only 7.6 oz. This portability is especially beneficial for photographers on the go. In contrast, the YONGNUO YN50mm F1.8 lens does not emphasize its weight or dimensions in its specifications, but it supports full-frame and APS-C format cameras, allowing versatile use. The Tamron’s moisture-resistant construction and dirt-resistant fluorine coating further enhance its outdoor usability, making it a more durable choice for adventurous photography.

Optical Performance

The Tamron 24mm F/2.8 lens excels in optical performance with its 1:2 maximum magnification ratio, allowing for detailed macro-style shots. The lens is constructed with special glass materials that mitigate aberrations, ensuring sharp images across the frame. The YONGNUO YN50mm F1.8, while equipped with a large F1.8 aperture for virtual background effects, does not provide detailed optical specifications in the product description. The Tamron lens is more suited for photographers seeking high-quality image clarity and detail.

Autofocus Capabilities

Both lenses offer autofocus capabilities, but the YONGNUO YN50mm F1.8 stands out by supporting both auto focus and manual focus modes. This flexibility makes it easier for photographers to adapt to various shooting scenarios. However, the Tamron lens does not mention specific autofocus features, which may make it less versatile in this regard. For users who prioritize autofocus functionality, the YONGNUO lens could be the better choice.

Minimum Object Distance

The Tamron 24mm F/2.8 lens has a minimum object distance of just 4.7 inches (0.12m), allowing photographers to capture unique close-up shots. This feature is particularly valuable for macro photography or creative compositions. The YONGNUO YN50mm F1.8 has a focus distance indicator of 0.45 meters, which is less than the Tamron's close-focusing capability. For photographers interested in close-up detail, the Tamron lens offers a distinct advantage.

Versatility in Shooting

The Tamron 24mm F/2.8 lens is ideal for wide-angle photography, making it perfect for landscapes and urban scenes. Its versatility extends to candid snapshots, making it a great all-purpose lens. On the other hand, the YONGNUO YN50mm F1.8 lens is also versatile, supporting various shooting modes such as M/AV/TV/P, which may appeal to photographers looking for flexibility in their shooting style. The choice between these two lenses will hinge on whether the photographer prefers wide-angle shots or standard focal length perspectives.

Target Audience

The Tamron 24mm F/2.8 lens is aimed at serious photographers who need high-quality performance, particularly for landscape and macro photography. Its price reflects its premium features and optical quality. In contrast, the YONGNUO YN50mm F1.8 lens caters to entry-level photographers or those on a budget who still desire decent performance and versatility. Its lower price point makes it an attractive option for hobbyists or those exploring photography without a significant financial commitment.

Which should you buy?

Deciding between the Tamron 24mm F/2.8 Di III OSD and the YONGNUO YN50mm F1.8 ultimately hinges on your photographic needs and budget. If you require a high-quality lens with excellent optical performance, close focusing capabilities, and robust build quality for outdoor use, the Tamron lens is worth the investment at $199. However, if you're looking for a cost-effective, versatile lens for general photography, the YONGNUO lens at $82 offers great value, especially for beginners. Each lens serves different niches, so consider your shooting style and preferences before making a choice.