Camera
Let's talk about the Sigma BF's missing card slot

Image: Sigma |
Sigma announced its BF mirrorless camera today, with a “purposefully minimal” design that “cuts out everything that distracts, limits or stifles creativity.” The “radical” simplicity is obvious looking at it – it only has five buttons, including the power and shutter release, and a dial.
The biggest concession to minimalism, though, may be what the BF lacks. It’s not the first camera to omit a viewfinder or mechanical shutter, but it is one of the only modern cameras we’ve seen without a slot for a storage card of any kind, be it SD, CFexpress or something more exotic. As far as we can tell, the camera will only record to its 230GB of internal memory, which you can access via its admittedly quite fast 10Gbps USB-C port – the only port on the camera, by the way.
It almost goes without saying that this is a very unusual decision. There are obvious benefits to a camera having internal storage – most photographers have had the experience of going to take a picture only to realize they’ve left their SD card at home. That’s why it’s not surprising that a few other photographer-focused cameras, such as the Leica M11 and Ricoh GR III, have it. However, its inclusion (almost) never comes at the cost of the ability to use external storage.
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The BF is undeniably small. Maybe there was just no room for a card slot?
Image: Sigma |
The company hasn’t said much about why it decided to forego a card slot on the BF, though we have reached out for comment. There’s an argument to be made that it helps achieve the company’s ultra-simplistic vision; with the BF, you won’t have to worry about remembering your SD card or making sure that it’s fast enough to record 6K video. And while SD card slots aren’t small, it’s possible excluding one made it easier to make the camera as compact as it is. Cynically, it also gives people something to talk about, generating extra buzz around a major launch. In a market full of 24MP full-frame cameras around $2,000, this is just one more thing that sets the BF apart.
There are some downsides, though, beyond just the lack of flexibility. If you want to offload images to your computer but don’t have a USB-C lead, you’ll be out of luck. The same goes for if you’re planning a mammoth shooting session that will generate more than the 14,000 JPEGs, 4300 uncompressed DNG Raws or 2.5 hours of video that Sigma says the internal storage is good for.
Perhaps the most concerning point, though, is repairability. Flash storage has a limited number of write cycles before it starts to fail. While you almost certainly won’t hit that limit anytime soon – good flash chips can have hundreds or even thousands of terabytes written to them before starting to have issues – there are myriad ways it can break even before that happens. If this happens to your SD card, it’s not a huge deal; you can just get another one. That’s not the case for internal storage, though, especially if it’s soldered to the camera’s mainboard. Fixing it when it breaks could require sending the camera to Sigma, which could take time.
We’d like to hear what you think, though. Is internal storage enough, or is the lack of a card slot more foolish than beautiful? Sound off in the comments below.
Camera
March Editors' photo challenge announced: Water

While visiting Dry Tortugas National Park, located 109km west of Key West, Florida, I looked down from the top of Fort Jefferson and saw this group of snorkelers just off Garden Key. Moments after this photo was taken, one of the snorkelers had the bad luck of being stung by a Portuguese man o’ war.
Photo: Dale Baskin |
The theme for our March Editors’ challenge is ‘Water’.
Show us the essence of water in its many forms, from the roaring power of the ocean to a gentle rain, reflections on a lake, smooth waterfalls, frozen ice, or even fine art. The possibilities are endless, so let your creativity flow and show us your best photos that revolve around water. Our favorites will be featured on the DPReview homepage later this month.
This challenge is open to photos taken at any time.
Photos can be submitted between Sunday, March 16, and Saturday, March 22 (GMT).
Important: Images MUST include a title and a caption of at least 25 words to be eligible. Viewers want to know the story behind your photo. We will consider both photos and captions when selecting our winners, so make sure to tell us that story!
Visit the challenge page to read the full rules and to submit your photos for consideration as soon as the challenge opens.
Visit the challenge page to see all the rules
Camera
Accessory Roundup: lights, iPads, bags and more

Images: Vanguard, Apple, Elinchrom |
CP+ may have ended last week, but that apparently hasn’t stopped the flood of accessory news. Today, we’ll look at a few lights, bags, computers and more, but first, let’s see what’s on sale.
Second-gen Goodness
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Photo: Richard Butler |
Canon’s Stacked sensor flagship, the EOS R5 II, is currently on sale for $300 off MSRP. We reviewed it late last year, and came away very impressed – it’s a camera that excels at nearly everything.
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Photo: Richard Butler |
Panasonic’s S5II isn’t quite as performant, but it’s still quite a good camera. It’s also substantially cheaper than the EOS R5 II, especially given the current sale that gets you $500 off.
Let there be lights
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Image: Godox |
Godox’s latest light for videographers and photographers is the Litemons C30. It’s a tiny LED panel weighing 248g that packs an internal battery capable of putting out 30W of light for up to 45 minutes. A USB-C port lets you recharge the battery or run the light for an extended period of time.
There are two versions of the light – a bicolor model, which costs $59, and an RGB model that will run you $89.
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Image: Elinchrom |
If you need something a little more powerful, there’s the recently released Elinchrom LED 100 C, a continuous RGB light with an integrated 72Wh battery that provides up to 40 minutes of power in the field. It comes with a diffusion dome and an adapter for Profoto light modifiers and can be charged via USB-C.
On the level
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Image: Vanguard |
Ball-head tripods are great if you want to easily level your tripod without messing around with leg length, but what if you already have a tripod that you like? Vanguard’s LVL accessory might be for you. It’s designed to sit between your sticks and your tripod’s head, adding a bit of height and letting you level your tripod head in a matter of seconds.
Vanguard makes several sizes, so it should be compatible with a wide range of tripods. The smallest, the LVL 42, has a 42mm base and can support up to 20kg (44lb), while the LVL 75 can support up to 40kg (88lb) – just make sure the rest of your tripod can handle that much weight too.
In the bag
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Image: Wandrd |
If you want to carry around some camera gear without using a massive backpack, Wandrd’s Stratus Photo 18L may be the bag for you. It’s relatively small and has built-in organization for your camera gear, as well as access hatches on both the right and left-hand side. It’s made of weather-resistant materials and has load-adjustment straps and a chest strap, which should let you carry it comfortably even if you’ve got it filled with gear.
New affordable iPads
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Image: Apple |
People don’t always think of the iPad as a photographic tool, but nowadays Apple’s tablets have a lot of processing power and can run many of the apps photographers use on their desktops. The company’s entry-level models – the iPad Air and the plainly-named iPad – have just gotten updates that make them better than ever. The Air gets the laptop-class M3 chip, as well as a new, optional keyboard with a bigger trackpad, function row and aluminum design. The M3 iPad Air starts at $599, and the new keyboard costs $269.
The cheaper iPad, meanwhile, gets the A16 chip from the iPhone 14 and 14 Pro. While it’s not as powerful as the M-class chips and doesn’t support Apple’s suite of AI features, it should still be plenty for light photo editing and organization. Its base storage has also been doubled from 64GB to 128GB. It starts at $349, which is what its predecessor sold for ever since Apple cut the price by $100 in 2024.
That wasn’t all Apple announced this week, though…
Get caught up
Some accessory news is so big that it gets its own article during the week, but we’d feel remiss not also mentioning those products here.
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Image: Apple |
As an example, Apple’s new computers. The company announced updates to its entry-level MacBook Air and top-of-the-line Mac Studio this week, adding its latest processors. The MacBook Air has enough processing power to handle the typical Photoshop and Lightroom tasks that most photographers need, all while being hyper-portable, while the Mac Studio can handle the highest-end photo and video editing tasks.
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Image: Peak Design |
Also announced this week: Peak Design’s Roller Pro, the company’s first piece of roller luggage. It’s a bit of a hybrid between a hardshell case and a softshell one, with plenty of padding and a front sleeve that can hold a laptop and other everyday carry items. You can read our full coverage of it here.
It’s currently being sold via Kickstarter for a discount over its $599 MSRP, but the usual disclaimer applies: Remember to do your research with any crowdfunding project. DPReview does its best to share only the projects that look legitimate and come from reliable creators, but as with any crowdfunded campaign, there’s always the risk of the product or service never coming to fruition.
Camera
Sony's content authenticity system isn't just for pro cameras anymore

Photo: Richard Butler |
Sony has released a firmware update that brings its Content Authenticity Solution to the a7 IV. The company announced a similar update for the a1 II, a1 and a9 III in January. However, this is the first time the tool to authenticate images will be available on something other than high-end, professional-grade cameras.
Software Ver. 5.00 for the Sony a7 IV adds support for the “Write Digital Signature” function for still images. This function allows photographers to add an electronic signature to their images to prove that they were taken with that camera. Authenticity tools such as this are becoming increasingly important with the growing prevalence of generative AI-created imagery and, as a result, the spread of fake images.
Of course, as with the update for the three pro-grade cameras in January, there are some caveats involved. The Digital Signature function requires a paid license and is only available for certain media outlets, not the general public. Unfortunately, Sony still hasn’t provided any additional information on if or when it will be available for general consumers. On the firmware update page, Sony simply says that the “timing for the provision of paid licenses to customers other than certain media outlets is yet to be determined.”
Even though the current usability is limited, Sony rolling this out to consumer models is a step in the right direction. The Content Authenticity information page also says that “more camera models will be supported in due course,” so it sounds like we should see additional cameras with the tool at some point. If Sony makes the feature more widely available beyond media outlets, the Digital Signature feature will already be on cameras and ready for use.
If you want to be prepared, or happen to work for one of the select media outlets, the Sony a7 IV firmware update Ver. 5.00 is now available for download.
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