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I would assume this adapter only works with 67mm filters. It appears that 3rd party equivalents of this adapter that state 67mm also only work with 67mm filters. … The 3rd party adapters that allow 58mm filters only work with 58mm filters. …

This is especially true of aluminum filter rings & threads, which the vast majority of screw-on filters are these days (including K&F Concepts' filters). … Special note for K&F Concept VND filters With the K&F Concept VND filters, you have to pay special attention to the fact that the rear (male) threads of the VND are a different diameter than the front …

It can be tricky screwing filters onto the front of ones that rotate, such as your variable ND, or polarizers, but it can be done. … As an aside, variable ND filters aren't really that much use in photography. They seem like a cool idea, the ability to "dial down" incoming light quickly. …

Perhaps the linked article was changed after the question was posed here, but the caption under the image states, Wasiczek’s backgrounds are as interesting as her flowers. Here, she employs her mi …

Furthermore, you can understand how the demonstrated dip technique cannot easily create filters such as reverse-ND grad strip filters, or apodization filters. … Almost certainly, you'd want to use glass ND filters rather than optical resin filters. …

You said the scratch is very thin, and therefore covers minimal area of the filter. The big question, with respect to image quality, is if the scratch is through the ND material, or if the scratch is …

While it could be done numerically without problem, it's probably not how the specified range of light reduction is arrived at for photographic filters. … So I suspect that the specs are something along the following lines: The lower bound, ~1.5 stops as stated by Hoya for typical polarizers, and ⅔ stops for their high-transmission filters, is the best-case …

Regarding variable ND filters: personally, ugh. Don't get me wrong, they have their place. … That's where ND filters, and especially variable ND filters come into play — it re-introduces another control variable, to allow for better choices of depth of field and/or ISO noise (with the caveat that …

fisheye lenses, then no, no regular flat filter can be used with such a lens without vignetting and cropping of the field of view, regardless of the filter size (even if it's the 150 mm or 175 mm large filters … However, Tadashi Filters makes a dome-shaped 3-stop ND filter specifically for 180° fisheye lenses. …

When my filters got too wrinkled and torn, I just ordered sheets of CTO and green and cut more of my own. …

There are plenty of situations where it might make sense to use color correction filters. See also: Are there reasons to use colour filters with digital cameras? … That's where ND filters come in. Think of ND filters as the real-world exposure control slider in Photoshop. …

You have a few options to mount your Lee system, and other screw-on filters if you would like to use them: The Lee Bay 60 Adapter Ring for Foundation Kit is the most direct route to mount your Lee filter … The possible problem with stacking adapters (and filters) is that, depending on the angle of view of the lens, you might be vignetting issues. …

The ND filters do not polarize the light, unless they are also polarizing ND filters (there are a few of those, but they are not common). * Caveat: I'm assuming you're not using variable ND filters. … stacks of 5 of the best UV filters with 5 of the worst UV filters, to show the cumulative effect of high and low-quality filters. …

This filter app can replace a large collection of ND grad filters, sunrise/sunset filters, reverse ND grads, etc., for most typical uses of graduated filters. … Many times, people confuse the filters with a video matte box, and assume I'm shooting video. People tend to stop and ask questions about the filters. …

Is the Cokin 173 filter just a backwards CPL? No. The effect is similar to mounting your polarizer backwards, but much more pronounced on the Varicolor filter. Here is what my Hoya HD CPL looks …