08/04/2026 5:31 pm
Topic starter
Notifications
Clear all
Sigma Forum
3
Posts
4
Users
0
Reactions
16
Views
0
I just got the Sigma 18-50mm lens for my Sony camera because everyone said it was the best for travel and I finally saved up enough money to buy it for my trip to Maui next month. Im really nervous though because its the most expensive thing I own and I keep seeing people talk about putting filters on the front of the glass. I literally have no idea what they do or if they are even necessary or if they will make my pictures look worse? Like do I need one just to keep it from getting scratched? I saw some on Amazon that were like 10 dollars but then some are 100 dollars and I dont get the difference at all. I dont want to ruin the lens glass because the beach has a lot of sand and wind and I'm worried about the salt spray and stuff ruining the coating.
Someone told me to get a polarizer? But I dont know what that even means or if it makes the colors look weird. I also heard about ND filters which sounds like something for video but I mostly just want to take nice pictures of my family and the sunset. My budget is pretty tight after buying the lens so I probably only have like 60 or 70 bucks left to spend on this kind of stuff. I really dont want to buy something I dont need but I also dont want to be that guy who ruins his new lens on the first day of vacation lol.
Im sorry if this is a super basic thing but I am totally lost with all the different sizes too... I think it says 55mm on the front? Does that mean any 55mm thing works? Im just trying to figure out what are the actually essential filters I should get for this specific Sigma lens before I leave or if I can just skip it entirely...
3 Answers
12
08/04/2026 6:15 pm
Coming back to this... To add to the point above, if you're on a budget, dont buy a bunch of cheap filters. Are you planning on doing any long exposures of the water or just quick snaps of the fam?
- In my experience, a Hoya 55mm NXT Plus UV Filter is essential for beach protection.
- A Hoya 55mm Fusion One Next CIR-PL is killer for those Maui ocean blues. Yes, 55mm is the correct size. Just get that and you're golden.
11
08/04/2026 5:31 pm
Maui is gonna be incredible! I took my Sigma to the beach last year and the salt spray was everywhere. A Tiffen 55mm UV Protector Filter is perfect for peace of mind against sand and grit. To make the ocean look amazing, grab a K&F Concept 55mm Circular Polarizer.
- UV for protection
- CPL for blue water Both fit your 55mm thread perfectly and wont break the bank!
1
08/04/2026 5:55 pm
To add to the point above: > I dont want to ruin the lens glass because the beach has a lot of sand and wind and I'm worried about the salt spray and stuff ruining the coating. In my experience, the technical quality of the glass matters more than most people realize. Cheap filters often lack proper multi-resistant coatings (MRC) which makes that Maui salt spray a nightmare to wipe off. I've tried many over the years and cheap ones usually just smear the grease around when you try to clean them. Quick question tho, are you planning on shooting video at the beach or just photos? It changes whether you should prioritize a fixed polarizer or look into a variable density filter for those bright midday conditions. Basically, I'd skip the bargain bin and grab the Hoya 55mm NXT Plus UV Filter for protection. It has 10 layers of coating and wont degrade your Sigma's sharpness. For those ocean colors, the Marumi 55mm Fit + Slim Circular PL is excellent. It is thin enough that it wont cause vignetting at 18mm, and the glass quality is top-tier for your budget range.
