amfoto1 Loc: San Jose, Calif. USA

First, I'm going to assume that you actually want a 10-stop ND filter....

Looking up "Gobe" and "Haida" filters in 72mm size, I see they cost roughly $50 to $60. A "Nisi" ND 10-stop seems to sell for around $90. Am I in the ballpark?

I'm not going to recommend a $129 Lee Big Stopper which requires a filter holder and adapter to mount it to a lens, bringing the overall cost to around $250 or more. Square and rectangular filters like this are also difficult to shade effectively with a lens hood. Special hoods are available, but add another $100 or more to the cost for one of those. Some people like square and rectangular filters, which can be fitted to various diameter lenses... However, they're also bulky and the larger sizes are expensive. A lot are easily scratched optical plastic, which are often uncoated, too... Glass with multi-coating are available, but may be fragile and tend to be expensive.

I'm also not very familiar with Gobe, Haida or Nisi filters. They may be fine. Or, maybe not. Check the online reviews for them... feedback from actual buyers. It will help a lot if you search using correctly spelled brand names. That will also help you find the most favorable prices. Be careful though, that you are comparing apples to apples.

Things to look for:

- For best image quality in general use, you want an least 8-layer multi-coating. That will minimize unwanted reflections and best light transmission. Single coated or uncoated filters might be okay indoors, under controlled studio lighting. But for general purpose, outdoor use where you have to deal with a wide range of lighting conditions, I'd choose multi-coated.

- More advanced mult-coatings, up to 16-layers, sometimes called "Nano" coatings, may be even better. Those make filters more oil, water, dust and scratch resistant. They tend to be a bit more expensive, though.

- German "Schott" glass and Japanese "Asahi" glass are some of the best. There may be other good glass... but I'm always a bit suspicious of a filter that only states "optical" glass, with little or no additional info.

- Do you need a "slim" framed filter, because you'll be using it on an ultrawide lens? Slim filters cost more and can be more difficult to install and remove from lenses... but if you need them, you need them. Some slim filters don't have front threads, which means that another filter cannot be stacked on them, doesn't allow them to be stacked for storage with similar size filters... and even prevents using a standard lens cap while the filter is installed! Unless absolutely necessary to avoid vignetting, I would steer clear of a slim filter without front threads.

- Some filters are in brass or other frame materials, or have Teflon coating or similar on the threads, to help reduce the chance of them getting stuck on a lens (or to anything else they're screwed into... such as another filter or storage caps). Aluminum is the worst material for "galling" and getting stuck. But, if your lens is like many modern ones and uses plastic filter threads, it's unlikely any filter will get stuck on them.

- Some ND filters are designed to reduce certain light wave lengths more than others, often in the IR spectrum, to reduce possible tints that can occur... especially with stronger ND filters like 10-stop.

Searching on the B&H website, I found 20 72mm 10-stop ND filters available, ranging in price from $29 to $350. https://www.bhphotovideo.com/c/search?setNs=p_PRICE_2%7c0&Ns=p_PRICE_2%7c0&sortType=default&ci=114&fct=fct_circular-sizes_27%7c72mm%2bfct_density_2336%7c3.0-10-stops-1000x&srtclk=sort&N=4026728350&

Some of those 20 filter are not multi-coated, which would make me rule them out personally. Refining the search there to only multi-coated filters reduces the selection to eight filters: https://www.bhphotovideo.com/c/search?Ns=p_PRICE_2%7c0&sortType=default&ci=114&fct=fct_density_2336%7c3.0-10-stops-1000x%2bfct_circular-sizes_27%7c72mm%2bfct_features_2339%7cmulti-coated%2b&srtclk=sort&N=4026728350&

Within the price range I'm guessing you're considering ($40 to $90), I notice that there are also Formatt Hitech Firecrest and Benro filters. The $65 Formatt filter uses Schott glass in a "slim" brass frame and has 15-layer "Nano" multi-coatings. It claims neutral color rendition. I'm familiar with other types of Formatt Hitech filters, but not their ND. The $80 Benro has similar specifications, doesn't claim to be "slim" but looks like it is to me. The Benro filter line is relatively new and I don't know much about them. (Benro is well known for tripods and tripod accessories.)

There may be others you should consider, here or on some other web sites. Shop around. (Note: I'm wary of Amazon for this type of search... It usually comes back with all sorts of stuff that doesn't meet the search criteria.)

ggab Loc: ?

I have used these:

https://www.amazon.com/Rangers-Graduated-Filters-Adaptors-Carrying/dp/B01M2AAGCE/ref=sr_1_4?keywords=Rangers&qid=1561477089&rnid=2941120011&s=photo&sr=1-4

Cheap, yet they work.

robertperry Loc: Sacramento, Ca.

I purchased a Breakthrough 10 stop ND filter about a month ago. Checkout their website, it will give you a good idea of which ND filters to use at different times of the day/morning/evening. 10 stop is best for the middle of the day. Buy what you can afford and have fun.

rgrenaderphoto Loc: Hollywood, CA

Why no 10X? I recorded the attached image in Malibu using a Lee 10X ND filter. 2 minute exposure and it eliminated all the people passing in front of the lens. Why limit your creativity? You will never know if something works unless you try.

(Download)

Bill P

[quote=camerapapi]Many professionals use the 3 or 6 stops filter for the majority of their assignments.

Many professionals don't use ND filters more that a couple of times in their life.

jackm1943 Loc: Omaha, Nebraska

I'm not sure how it compares pricewise to the ones you listed, but Hoya's 10-stop is an excellent filter, moderately priced, good value.

Joecosentino Loc: Whitesboro, New York

Breakthrough Since getting them my Lee filters sit on the shelf. 10 stop won't be used as much as a 3 and or 6 stop.

carl hervol Loc: jacksonville florida

What are you trying to do shot the sun if you are you need a sun filter ther about 200,00 x dollars

TomV Loc: Annapolis, Maryland

This is a typical use for such a filter. I bought one for eliminating people and vehicles passing in front of buildings when I am in the 'architectural' mood. Not much good for a parked car.