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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. …

The list of mounts available for Schnieder Kreuznach filters(old, recovered from Archive.org) shows a fairly complete list of different filter sizes, along with thread pitch, thread length, total filter … Typical retail filters probably use their "SH Mount". If you are making custom accessories for your own use, then there is no risk with custom-machined filter thread accessories. …

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 …

Don't use the UV filter. Not only is it completely useless while using an actual solar filter, it is actively hurting your image by creating reflections. Even if it is the highest-quality UV filter w …

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. …

This photo is definitely a composite. You can't see the Milky Way until some time around astronomical twilight (when the sun is 12°–18° below the horizon). The post-sunset clouds in the picture appe …

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 …

Recommendation If you are primarily going to shoot with a normal- to wide-angle lens, I suggest getting a kit of 1–, 2–, and 3–stop ND grad soft rectangular filters. … This is just one example of how you can creatively combine ND grad filters. …

Awhile back I standardized on 77mm filters, and also found myself swapping them around all the time. I thought the Xume would be a perfect solution. … Plus, my stack of 3 filters (with stack caps on both ends) went from just under 1" thick to almost about 1.75" thick. I never worried about magnets near a lens's circuitry. …

When you are using ND filters with long exposure times, you are trying to achieve a particular blur effect. The primary exposure control here is the shutter speed. … Trying to blur scattered soft clouds in a light breeze on an otherwise bright day, you'll probably need to combine both filters to get 15 stops of reduction. …

If you want to use a UV filter on DSLRs, current inexpensive UV filters are clear (don't have a color cast). … From Nikon's support page Using Nikon filters with Nikon DSLRs, The multilayer coated Skylight L1BC also cuts UV light and is often left on the lens to protect it. …

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 …

Then, I have a small handful of 67mm-to-77mm rings that I keep with my filters. … See also: How can I keep lens filters and other attachments from sticking on the lens? …

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. …

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. …