Neutral density (ND) filters are a requirement for shooting smooth video in bright light, and circular polarizing (CPL) filters are often needed to improve contrast or darken a bright sky — but what if you need both? A new clip-on phone camera filter answers that question, by combining both ND and CPL filters into one. The product is the latest from Sandmarc, a company that specializes in filters for GoPro and DJI and also has a line of mobile lenses, including an anamorphic cinema lens for iPhone announced earlier this year.
The hybrid filters are available only in a three-pack, offering ND strengths of four, five, and six stops for a total price of $130. Each filter uses multicoated anti-reflective glass and is housed in an aluminum frame. Like a standard polarizer, the frame can be rotated to change the angle of polarization, strengthening or weakening the effect to get the desired results. Polarizers don’t just cut back glare, they can also help you “see through” reflections on glass or water.
NDs are especially important for phone videography as phone cameras have fixed apertures, leaving shutter speed as the only variable for compensating for bright light. Unfortunately, the fast shutter speeds required on a sunny day cause video to look jarring. An ND filter darkens the image, letting your phone use a slower shutter. This allows for some motion blur and creates a more natural look that mimics how our own eyes see motion, thus making video easier to watch.
The filters attach to a phone using a simple clip, which is included. In addition to being compatible with iPhones back to the iPhone 4, Sandmarc also says its system will fit many Samsung Galaxy, Google Pixel, and Huawei phones. Additionally, the filters can be mounted directly to Sandmarc’s mobile lenses, which include wide, telephoto, and macro versions in addition to the anamorphic lens.
Mobile photography filters are not new, but they seem to be having a surge in popularity right now — at least from a production standpoint. Mobile lens maker Moment also announced a line of filters this week, offering separate ND and CPL variants with ND strengths ranging from two stops to six.
Full-frame cameras tend to be chunky beasts, but Sigma wants to prove that big imaging doesn't need a big body. Enter the Sigma FP2, the successor to its tiny, boxy fp mirrorless camera. It keeps the same modular design but packs in some serious upgrades, including a 24.5-megapixel partially stacked full-frame sensor, improved autofocus, 6K video recording, and 70GB of built-in storage. Sigma calls it the world's smallest full-frame camera, and while it might be tiny, the same cannot be said for its price tag.
Sigma FP2 brings faster shooting and 6K video
A phone thermal camera is one of those tools you don’t think you need until the first time it saves you from an expensive problem, and the Thermal Master P3 just got easier to try. For Halloween, it’s discounted with the code THERMCAM10, a 10% cut that works out to $107 off the total. It’s also fresh off a win at the 2026 Tom’s Guide AI Awards for best phone thermal camera, which is the kind of third-party nod that separates a serious tool from the cheap clip-on sensors that flood this category.
We are nearing Amazon's Prime Big Deal Days, which officially run October 6 and 7. But there is no need to wait until the sale begins to start looking. Early offers are already live, and camera gear is one category where I found enough worthwhile discounts to put together a proper creator-focused list.
I’ve deliberately gone wider than interchangeable-lens cameras here. There are pocket and action cameras, a 360 camera, an instant camera, two wireless microphone systems, and a pair of webcams covering very different budgets. Prices were checked on October 2, and as always with Amazon, they can move quickly.