This filter gave clear images at reasonable camera settings (ISO 200-800), and worked for all stages of the eclipse (besides totality).

The filter worked amazingly well for the eclipse (April 8th, 2024) and has made me want to take even more pictures of the sun!

I have never used a filter like this before. Of course, I put it on the lens, aimed at the sun, and shot a couple of pictures. They are pretty primitive - definitely beginner produced. I did start reading how other people use these. I am excited by the possibilities. I'll get better.

Used it today for the first time for the total eclipse. Filter did it's job, just need a little more practice.

First of all: this filter is really, REALLY dark. It's a little on the dark side even for direct shots of the Sun. I suppose it would be useful for close-ups of welding arcs, or maybe detailed photos of a nuclear detonation. Or EXTREMELY long exposures in bright daylight (sandy beach, high noon, f/11, ISO 100, 20 minutes?)

This filter was well-packaged, although the ribbed side of the case did leave a small "print" on the filter's front surface. I haven't yet tried to remove it.

The attached solar image was shot on a Canon 6D II, 100-400L at 400mm, 1/160, f/8, handheld and manually focused, stabilization on. I had to crank the ISO to 2500 to get this level of exposure. No other manipulation besides cropping and exporting as JPEG.

Ideally, for direct solar photography, I'd prefer a filter three or four steps LIGHTER than this, shooting at lower ISO -- but I'm still going to have plenty of fun with this one!

There's no specific information about IR or UV blocking on this filter, so I'm a bit reluctant to use it with the optical viewfinder. It's PROBABLY safe, but I err on the side of caution when it comes to my eyes. I didn't see any signs of trouble with my camera during the five or ten minutes that I was taking test shots.

Recommended, but know what you're getting into. And don't be afraid of the dark!

I unfortunately am unable to afford a bigger zoom but really wanted to try some pictures of the solar eclispe. It really is dark and did awesome of just the sun can't wait to see with the solar eclispe.

PRODUCT

K&F Concept 67mm ND1000000 Ultra Dark ND Camera Lens Filter

REVIEW

I like that this filter is label specifically for solar photography. No Guess work. At 1M rating (20 stops) you can be certain about your safety while photographing.

The sun is just starting to come out once and a while (after winter) so I'll do some sample shots and report back. I want to get in some practice before the next eclipse.

The lens seems really well made, I like the included cleaning cloths and protective case.

RECOMMENDATION

I can recommend this kit, it seems well made.

I purchased this filter for my 95mm Sigma 150-600mm telephoto lens for the upcoming eclipse. I tested it out and the quality is phenomenal and I don't have to worry about my camera's sensor being damaged while capturing images of the sun. This was exactly what I needed!

Bottom line - wouod highly recommend for solar photos.

I previously made a mylar filter, but I just couldn't get crisp photos. I saw this and thought I'd give it a try.

The filter seems to be excellent quality. This nano-x line by K&F is a big step up in terms of quality versus the normal k&f filters...not quite as good as say a peter mckinnon edition ND filter, but for the difference in price (less than 1/6 the cost), this is an awesome deal.

The case is high quality and has rubber ribbing to firmly hold the filter in place while closed, but still makes it easy to remove the filter from the case without getting finger prints all over the lens.

Can't wait for the upcoming solar eclipse. The photo I took was handheld and using a $70 - 420-800 mm lens (fully manual, lightdow lens)...so in terms of image quality of the photo, please keep that in mind. The only processing I did to the image of the sun was to crop and select B&W photo, as this lens does suffer from chromatic aberration.

Great quality!