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Canon 100-300mm f/2.8L filter recommendation

  
 
Verxion
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p.1 #1 · Canon 100-300mm f/2.8L filter recommendation


I’m used to using the lens hood as my primary front element protection and in nearly four decades of shooting I’ve never even once had an issue.

…the lens hood though on this lens is much shorter and also this is not an inexpensive lens!

I’m curious what people have done for filters on this lens with a specific eye toward it:

1. Most critically NOT affecting image quality

2. I know it isn’t going to be cheap but I’d also prefer not to spend money just for the sake of spending money

Thanks in advance!

-Verxion



Aug 07, 2025 at 07:47 PM
Mike_5D
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p.1 #2 · Canon 100-300mm f/2.8L filter recommendation


I just looked at 112mm filter prices. Ouch. Where are you shooting that you think a filter will offer protection?


Aug 07, 2025 at 08:36 PM
Verxion
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p.1 #3 · Canon 100-300mm f/2.8L filter recommendation


I’m not particularly at the moment, but in the past, I’ve shot things like sprint car races where dirt clods can be flung up in the air and with the larger lens hood of the 200mm f/2L it would have to be a VERY specific angle to actually directly hit the lens. With the substantially shorter hood on the 100-300, I worry if I were shooting something like that today that the odds are… not HIGH that a clod could hit the element, but certainly highER, if that makes sense.

I just thought if a lot of people have bought filters for their 100-300, maybe someone has a recommendation. If not, then I can just look for a CPL that I’d not use all the time but when needed, and I could entertain the idea of just not using a front filter (which, as I said, is how I’ve done things for decades now with no issue…)

-Verxion



Aug 07, 2025 at 09:38 PM
EB-1
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p.1 #4 · Canon 100-300mm f/2.8L filter recommendation


I'm using smaller filters 95mm B+W Nanu on a 200-600, but I think the 112mm would be similar.
The most important thing with the long teles is that the filter glass is flat, so you want only the best glass.

EBH



Aug 07, 2025 at 10:53 PM
RobAmy
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p.1 #5 · Canon 100-300mm f/2.8L filter recommendation


I personally I have never used filters as protection. I have had the short hoods on the 400mm, 600mm, 800mm and 100-300 without issue. That said I do have the Kase filter set for the 100-300mm for video that I have been pleased with.

https://www.bhphotovideo.com/c/product/1639434-REG/kase_1118080021_112mm_nd_stack_set.html/reviews?ap=y



Aug 08, 2025 at 03:52 AM
Verxion
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p.1 #6 · Canon 100-300mm f/2.8L filter recommendation


Thank you everyone!!


Aug 08, 2025 at 03:56 AM
Alan Kefauver
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p.1 #7 · Canon 100-300mm f/2.8L filter recommendation


I use the B+W MRC 112mm filter. Not cheap, but seems to be no deterioration in IQ from my brick wall testing.


Aug 08, 2025 at 09:36 AM
Cduff406
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p.1 #8 · Canon 100-300mm f/2.8L filter recommendation


I'm a fan of the Zemlin hoods, maybe just a longer hood? Either way, they are a great hood if you haven't seen them.


Zemlin Hood RF100-300



Aug 08, 2025 at 02:23 PM
Dave_E
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p.1 #9 · Canon 100-300mm f/2.8L filter recommendation


I’m with Rob, I use Zemlin short hoods on my 400, 600, and 100- 300 (the hood for the 100-300 is the same short size as the Canon)for wildlife photography and have never had a problem.

Dave



Aug 09, 2025 at 08:28 AM
Verxion
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p.1 #10 · Canon 100-300mm f/2.8L filter recommendation


Dave_E wrote:
I’m with Rob, I use Zemlin short hoods on my 400, 600, and 100- 300 (the hood for the 100-300 is the same short size as the Canon)for wildlife photography and have never had a problem.

Dave


May I ask then, why do you use the Zemlin if it is the same size as the Canon? What advantage does it provide?

I wish there was a hood that had a cutout for CPLs…

Thanks,

-Verxion



Aug 09, 2025 at 08:47 AM
 


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EB-1
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p.1 #11 · Canon 100-300mm f/2.8L filter recommendation


The main reason people use the zemlins is if they want a shorter than normal hood, telescoping hood, or a hood for a lens that has a finicky mount. The zemlins have a large bayonet style rather than the typical knob and accept a nice lens cap rather then the typical bag style. They are also cheaper than buying some of the replacement hoods that Nikon, Canon, etc. charge ridiculous amounts to buy.

It sucks that Canon could not fit a filter holder in the 100-300/2.8 like typical big tele primes, but maybe Zemlin can make you a hood with a notch for the front polarizer.

EBH



Aug 09, 2025 at 10:03 AM
robert_in_ca
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p.1 #12 · Canon 100-300mm f/2.8L filter recommendation


I went with the Breakthrough Photography X4 filter for my RF 100-300.


Aug 09, 2025 at 11:52 AM
Dave_E
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p.1 #13 · Canon 100-300mm f/2.8L filter recommendation


As EBH mentioned I put Zemlin hoods on my Canon prime telephotos for the solid twist lock mount. I made half size for the 600 F4 and 400 F2.8 so they are easy to travel with. I made the one for the 100-300 the same size as the Canon as it was already short from the factory. I started buying the Zemlin for the great lens caps h.e makes compared to those great big vinyl ones canon makes. Then on an old EF 500 F4 telephoto lens hood got banged and cracked the small piece by the mounting screw., and Canon wanted like $600.00 for a replacement so I supplied a new Zemlin hood with the lens. I loved the fit, quality, strength, pack ability, s.o when I get a new lens I put the Canon one away and get a Zemlin, I love them.


Aug 09, 2025 at 03:38 PM
robert_in_ca
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p.1 #14 · Canon 100-300mm f/2.8L filter recommendation


I've used Karl's hoods and caps on my Z 400TC, Z 600TC, Sony 300 and now my RF 100-300. The quality, fit and finish is exceptional as they made packing the 400 and 600 doable with my current bags-- whereas OEM hoods and slip covers didn't.


Aug 10, 2025 at 12:32 PM
Verxion
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p.1 #15 · Canon 100-300mm f/2.8L filter recommendation


Does anyone know if you can get Rolanpro or similar covers for Zemlin hoods? Living in Arizona, I worry about a black hood contributing to heat haze…


Oct 31, 2025 at 04:38 AM
Flowernut
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p.1 #16 · Canon 100-300mm f/2.8L filter recommendation


It really stinks that dropin filters not available. Thanks canon?


Oct 31, 2025 at 08:40 AM
Cnyphotoguy
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p.1 #17 · Canon 100-300mm f/2.8L filter recommendation


Flowernut wrote:
It really stinks that dropin filters not available. Thanks canon?


The 100-300 II will need a feature to entice upgrades from existing users.



Oct 31, 2025 at 08:45 AM
Cnyphotoguy
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p.1 #18 · Canon 100-300mm f/2.8L filter recommendation


Verxion wrote:
Does anyone know if you can get Rolanpro or similar covers for Zemlin hoods? Living in Arizona, I worry about a black hood contributing to heat haze…


My lenscoat cover fits the Zemlin hood just fine



Oct 31, 2025 at 08:47 AM
Alan Kefauver
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p.1 #19 · Canon 100-300mm f/2.8L filter recommendation


Verxion wrote:
I’m used to using the lens hood as my primary front element protection and in nearly four decades of shooting I’ve never even once had an issue.

…the lens hood though on this lens is much shorter and also this is not an inexpensive lens!

I’m curious what people have done for filters on this lens with a specific eye toward it:

1. Most critically NOT affecting image quality

2. I know it isn’t going to be cheap but I’d also prefer not to spend money just for the sake of spending money

Thanks in advance!

-Verxion


I use the B+H MRC Nano Master 007M filter. Yeah it was $240.00
Wait till you look at the 112mm Circular Polarizer.



Oct 31, 2025 at 09:23 AM
Verxion
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p.1 #20 · Canon 100-300mm f/2.8L filter recommendation


Cnyphotoguy wrote:
My lenscoat cover fits the Zemlin hood just fine


Thanks!

-Verxion



Oct 31, 2025 at 10:31 PM
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