Best UV Filter for Yongnuo 50mm f/1.8
The Yongnuo 50mm f/1.8 is the ultimate “thrifty fifty,” offering impressive bokeh for a fraction of the cost of first-party lenses. However, its lightweight build and exposed front element make it vulnerable to dust and scratches. Finding the right UV filter is about balancing protection with optical clarity without spending more on the filter than the lens itself. I’ve tested various 52mm optics to find the sweet spot, and the Hoya NXT Plus stands out as the definitive winner for most shooters.
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Best UV Filter for Yongnuo 50mm f/1.8: Detailed Reviews
Hoya NXT Plus UV View on Amazon View on B&H
If you want the best balance of performance and price for your Yongnuo 50mm f/1.8, the Hoya NXT Plus is my top recommendation. This 52mm filter features a high-quality waterproof top coat that makes it incredibly easy to wipe away fingerprints or raindrops while you’re out in the field. Unlike cheaper uncoated filters, the NXT Plus utilizes a 10-layer multi-coating process that significantly reduces ghosting and flare—a crucial feature since the Yongnuo can sometimes struggle with internal reflections in harsh lighting. The low-profile aluminum frame is well-machined, ensuring it doesn’t get stuck on the lens’s plastic threads. While it costs a bit more than a basic piece of glass, the 98% light transmission ensures your low-light portraits remains sharp and vibrant. It feels like a natural extension of the lens rather than a bulky add-on.
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Tiffen UV Protector View on Amazon View on B&H
The Tiffen 52mm UV Protector is a staple in the photography world for a reason. For the price of a couple of coffees, you get a solid piece of “insurance” glass made in the USA. It’s a non-coated filter, which means it’s easier to manufacture and cheaper for you to buy. In my experience, this is the perfect companion for the Yongnuo 50mm if you primarily shoot in controlled environments or overcast days. Because it lacks multi-coating, you might notice a slight increase in lens flare when shooting directly into the sun, but for street photography or casual portraits, the impact is negligible. It’s tough, fits the 52mm threads perfectly, and prevents the Yongnuo’s somewhat recessed front element from collecting dust. If you’re a beginner who just wants to stop worrying about scratching your new lens, this is the smart value play.
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Amazon Basics UV View on Amazon View on B&H
Let’s be honest: the Yongnuo 50mm f/1.8 is an affordable lens, and sometimes you just want the cheapest possible way to protect it. The Amazon Basics 52mm UV filter fits that bill perfectly. Despite its low price, it’s surprisingly well-constructed with a slim aluminum frame that prevents vignetting—though vignetting isn’t usually an issue on a 50mm prime anyway. It does its primary job of blocking ultraviolet light and physical debris effectively. The limitation here is the lack of sophisticated anti-reflective coatings. If you’re shooting night scenes with streetlamps, you might see some “ghost” spots in your images. However, for a lens that often costs under $60, spending just a few bucks on this filter makes total sense. It’s better to have a cheap filter take a hit than the lens itself when you accidentally bump into a table or wall.
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B+W 52mm XS-Pro Clear View on Amazon View on B&H
Is it overkill to put a B+W XS-Pro filter on a Yongnuo lens? Some might say yes, but if you value image quality above all else, this is the gold standard. The B+W uses Schott glass and a premium brass frame, which is much less likely to “bind” or cross-thread than aluminum. The MRC Nano coating is what sets it apart; it’s incredibly resistant to water, oil, and dirt, and it provides the highest possible light transmission. I’ve found that using this filter actually helps maintain the contrast levels of the Yongnuo 50mm in difficult backlit situations where the lens’s own coatings might falter. If you plan on upgrading your lens later to a Nikon or Canon 52mm prime, this filter is a long-term investment that will outlast the lens itself. It’s the ultimate choice for photographers who refuse to compromise on glass quality.
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Kenko Smart UV View on Amazon View on B&H
The Kenko Smart UV filter is a fantastic middle-ground option that often flies under the radar. As the consumer brand for Hoya, Kenko offers excellent Japanese glass at a slightly lower price point. The “Smart” series is specifically designed for entry-to-mid-level lenses like the Yongnuo 50mm f/1.8. It features a slim frame that won’t get in the way of your lens cap or hood. In side-by-side tests, I found the Kenko to be very neutral, adding no noticeable color cast to my images. It feels slightly more premium than the Tiffen and offers a basic multi-coating that helps with contrast. It’s a great “set it and forget it” piece of gear. If the Hoya NXT Plus is out of stock, this is the one I’d grab without a second thought. It provides reliable protection for your 52mm threads without any fuss.
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Buying Guide: How to Choose a UV Filter
Comparison Table
| Product | Best For | Rating | Price |
|---|---|---|---|
| Hoya NXT Plus | Balanced Performance | ★★★★★ | Check |
| Tiffen UV | Value Shooters | ★★★★☆ | Check |
| Amazon Basics | Extreme Budgets | ★★★★☆ | Check |
| B+W XS-Pro | Maximum Clarity | ★★★★★ | Check |
| Kenko Smart | Reliable Mid-Range | ★★★★☆ | Check |
Frequently Asked Questions
What size UV filter does the Yongnuo 50mm f/1.8 use?
Both the Canon-mount and Nikon-mount versions of the Yongnuo 50mm f/1.8 utilize a 52mm filter thread. This is a very common size, making it easy to find filters and lens caps. Always check the front of your lens; you should see a small circle with a slash through it followed by the number “52,” which confirms the diameter required for all screw-in accessories.
Will a cheap UV filter make my photos look worse?
It can. Cheap, non-coated filters can introduce reflections, ghosting, and a loss of contrast when light hits the glass at certain angles. Because the Yongnuo 50mm is already a budget lens with simple internal coatings, using a high-quality multi-coated filter like the Hoya NXT Plus helps maintain the lens’s native sharpness while preventing unwanted optical artifacts from ruining your shots.
Is it worth buying a $40 filter for a $50 lens?
Generally, I recommend spending about 15-20% of your lens’s value on a filter. For the Yongnuo, a $10-$20 filter like the Tiffen or Hoya is the sweet spot. Buying a premium $50 B+W filter might seem like overkill, but remember that the filter can be reused on any other 52mm lens you buy in the future, such as a Nikon 35mm f/1.8 or Canon 50mm f/1.8 STM.
Does the Yongnuo 50mm need a UV filter for protection?
Yes, particularly because the front element moves back and forth during focusing (external focus). This movement can potentially draw dust into the lens barrel over time. A UV filter creates a sealed front surface, protecting the delicate glass and the internal mechanics from dust, moisture, and accidental finger smudges. It’s much easier to clean a flat filter than a recessed lens element.
Can I use a lens hood with these filters?
Absolutely. Most 52mm UV filters have “front threads,” allowing you to screw a lens hood or another filter (like a polarizer) directly onto them. However, since the Yongnuo 50mm has a small diameter, using a slim filter is still a good idea to ensure no vignetting occurs, though at a 50mm focal length, the risk of dark corners is extremely low.
Final Verdict
For most Yongnuo 50mm f/1.8 owners, the Hoya NXT Plus is the perfect companion, offering the clarity needed to make those bokeh-heavy portraits pop. If you are just starting out and want to save every penny for your next lens, the Tiffen or Amazon Basics filters provide essential protection without any fluff. Professionals or those planning to upgrade their kit soon should look at the B+W as a long-term investment in glass quality.