At a push you could use this to do some pickup shots for a vlog, but it's really more for close-quarters to give you better lighting quality for video calls and virtual meetings.

The ergonomic design and outstanding state-of-the-art objectives make the Delphi-X Observer the ideal microscope for advanced Life Science applications such as cytology and anatomopathology

✅ You want great quality light: The diffused light is beautiful and flattering, and with three color temperatures you can match pretty much every lighting situation.

It delivers 55W of power, which is more than enough for most uses, and it offers bicolor 5600K or 3200K temperature (the latter via a clip-on filter) for use in daylight or under artificial illumination. I know a lot of creators do makeup tutorials using this light, such is the quality of its output.

For my money, the Razer Ring Light is the sweet spot of price, performance Because of their size and shape, the results are incredibly flattering which is why they're so popular among content creators. The larger the ring light, the softer the light so if you want a natural light go for something bigger. However, if you mostly shoot with your phone on the move you may be better suited to something smaller than clip directly onto your device. Most ring lights come with a stand and a mount for your phone so you can position it in the center of the light making it easy to shoot.

A large 18-inch ring light, this offers a good degree of versatility at a price that won't break the bank. It's not quite as powerful as some other options, and the design isn't as slick as the big names, but this is still a formidable performer.

CONDENSOR FOR BRIGHT FIELD height adjustable NA 0.90/1.25 swing-out Abbe condenser with numerical aperture markings. Models with a motorised nosepiece are supplied with a motorised condenser that automatically flips out the front lens of the condenser when the 4x objective is in use.

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I've filmed quite a bit of video content for clients as well as Digital Camera World using these lights, along with using them for my professional photography portfolio.

202493 — Recent advances in LED technology have revolutionized the lighting industry and paved the way for a brighter and more energy-efficient future.

STAGE 190x152mm stage with integrated 78x32mm right-handed mechanical stage designed for 2 slides. Supplied with scratch-resistant Gorilla Glass as standard. Scratch-resistant sapphire glass is available on request. Left-handed mechanical stage is available on request.

✅ You don't have any space: Since this clips directly to your phone, tablet or laptop, you don't need any additional floor or desk space to set it up.

✅ Size is important: As an 18-inch ring light, it's large enough to cover a large surface area and (because of its size) soft enough to produce gentle light.

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✅ You're a smartphone shooter: This is ideally suited to working with a phone, whether you're a content creator or you dial in to work meetings from your handset.

While the best LED light panels and the best lights for Zoom calls tick some of the same boxes, for the best and most flattering lighting there is no substitute for a ring light. (And if you want to shoot a different kind of close-up, check out our guide to the best ringflash for macro photography!)

I also take them out to see if they're sturdy enough to be transported and used on location, or if they're only really robust enough to stay on your desk or in the corner of your room. It's also important to see how the output performs when using batteries versus main power, if that's something they offer.

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The eyepieces’ 25 mm field of view and the apochromatic plan objectives enable observations with perfect colour rendering with high resolution. With an inverted 6x nosepiece and a large rackless stage with Gorilla Glass, the Delphi-X Observer is by far the best life science microscope available on the market today. Long working sessions are no problem thanks to the ergonomic design, low stage, left- or right-handed controls, and the optional ergonomic tilt head, all designed to fulfil every user’s requirements.

The 25 mm field of view of the eyepieces and the plan apochromatic objectives enable observations with perfect color rendering at high resolving power. With 25 mm field of view, unsurpassed 60 mm EIS objectives, sextuple revolver and a large rackless stage with scratch-resistant Gorilla glass the Delphi-X Observer offers the absolute best available Life Science microscope on the market. Long working sessions will not be a problem due to the ergonomic design, low stage controls for either left or right handed users and an optional ergonomic tilting head to match each user requirement.

Z Liu · 2014 · 132 — Brightfield, darkfield, and phase contrast are the most common label-free contrast modes used in optical microscopy. Brightfield imaging is most ...

For those moments when you only need a little light, this very little light from Xinbaohong is perfect. It's so small that you can pretty much keep one on you at all times, in a pocket or bag.

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Creating content on your mobile device? The Selfie Light clips to your phone, laptop or tablet and lights you up wherever you are. Perfect for travel and on-the-move content creators. Read more…

While this kit is geared towards camera phones, the RL-48 is also an ideal on-camera light for traditional cameras (though this kit doesn't come with a foot for the shoe) or you can use it to one side to create more shape (or balance) to your lighting.

This is the light I recommend to my friends! Sturdy, well-built, variable color temperature, built-in tripod – it's perfect for vlogging and streaming and all-round use. Read more

The new remote control is a godsend for lighting yourself without having to keep getting up to change settings, and the improved diffusion is a dream for lighting portrait subjects. The quality of light and color accuracy is absolutely spot-on, which is particularly important for accurate skin tones and things like makeup tutorials.

MOTORISED NOSEPIECE The Delphi-X Observer™ can be supplied with a motorised, rotating reverse sextuplet nosepiece. A precise stepper motor allows the user to switch objectives at the push of a button. Another button allows the user to quickly switch between two preselected objectives. Supplied with a motorised nosepiece as standard.

PLAN SEMI-APOCHROMATIC OBJECTIVES (anatomy pathology and histopathology applications) Infinity corrected 10x/0.25, 20x/0.40, S40x/0.65 and S100x/1.25. The Delphi-X Observer ™ comes with plan achromatic 4x/0.10, EIS objectives as standard. Available as an option: 2x/0.06, S50x/0.95 (oil immersion) and S60x/0.80.

❌ You're on a budget: This is a premium light, and it comes with a premium price tag. There are cheaper alternatives elsewhere in this guide. ❌ You don't shoot photos or video: If you only need a ring light for your webcam, or to stream from your gaming rig, this performance is overkill for your needs.

It can attach to your laptop, tablet or phone so long as it's 18mm or thinner – no tripod or other equipment necessary, no additional space required. Just clip it to your device and start shooting.

T bar light stands are a must-have for any photographer or videographer looking to capture the perfect shot. These stands provide a stable and ...

Whenever I need to do photography or video work, though, the Lume Cube Ring Light Pro is absolutely my go-to. Whether I need to snap a cheeky headshot or film a close-up for a YouTube video or Instagram story, this gives me the power and more importantly the quality of light that I need.

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❌ You're averse to waste: This light requires a pair of AA batteries, so you'll need to keep buying and trashing cells (or invest in a rechargeable set) when power runs out. ❌ You need to change filters often: The kit comes with four filters, to shoot under different lighting conditions, but they're a pain to change in a hurry!

FOCUS ADJUSTMENT Coaxial coarse and fine adjustment, 100 graduations, 1µm precision, 100μm per revolution. Total travel range is approx. 35mm. Supplied with an adjustable rack stop, which prevents damage to the specimen and objective. The coarse adjustments are equipped with friction control. The focus knobs can be changed from left to right depending on the user's requirements.

The filters are a bit fiddly to interchange, but nonetheless enable you to shoot under different lighting conditions. The whole thing is powered by three AA batteries, which means you can pop in replacements and keep on shooting without having to wait for an internal battery to recharge.

The best ring lights used to be just for vloggers and Tiktokers, but now they're essential for anyone attending virtual work meetings as well as Zooming or Facetiming with friends and family.

Like a lot of people, I'm cautious when it comes to cheaper Chinese alternatives in photography or videography kit. However, Neewer is a respected name and I own quite a few of its products that have never let me down – so this a brand you can trust.

❌ You want to create content with it: It's great for taking well-lit selfies, and it will do for a spot of filming in a pinch, but it's not intended to light a high-quality video. ❌ You don't have a micro USB connection: Make sure you have a spare micro USB lead, otherwise you will be caught out trying to top this up from a charger or power bank!

This ring light earns its "Pro" designation with distinction, and it's my go-to light around my home or home studio when I need to take a professional-looking headshot or record a vlog or video content in the most efficient way possible.

Razer hasn't skimped on build quality, either. Unlike a lot of other ring lights out there, the Razer is very sturdy and reliable – mine has done plenty of journeys thrown in a bag or the back of a car!

The Rotolight RL48-B Stealth was one of my favorite portable in years past, back before the ring light craze really took off, but sadly it disappeared from the market.

Once upon a time, only professionals used ring lights! Prior to the LED revolution, they were the preserve of glossy magazine shoots and slick music videos. Nowadays, though, technology has made them much more affordable and available to the masses – though plenty of professionals still use them, especially in the world of content creation.

This 12-inch Razer Ring Light is my go-to for everyday use. It does pretty much everything I could ask of it for meetings, videos and virtual calls, with the only downside being that it's only powered via USB.

Modern ring lights are LED lights, since they are powered by clusters of LED bulbs. However, most LED lights come in the form of rectangular-shaped panels, which produce much flatter illumination. Ring lights, on the other hand, are donut-shaped, which is much more flattering to faces. So rather than providing harsh, flat lighting, ring lights sculpt your features and provide a more dimensional, pleasing, professional look.

At 17 inches in diameter, it's an inch smaller than the Lume Cube Wireless Ring Light (the previous iteration of the Ring Light Pro), but it gives you a half hour more battery life, and the new light stand is a half-foot higher.

For my money, the Razer Ring Light is the sweet spot of price, performance and portability – it became the de facto "lockdown light" in my household for Facetime and Zoom meetings.

Many of the best ring lights enable you to adjust the color temperature to suit different skin tones (making them great for makeup tutorials, too) and to match the ambient lighting conditions. So whether you're using them in the sun, the shade or yellow-tinged indoor light, you can make your lighting look natural.

ERGONOMIC TILTING HEAD Optional ergonomic, 0 to 35° tilting trinocular head with SWF eyepieces (10x/25mm), interpupillary distance between 47-78mm and photo tube with standard Ø 23.2mm. The trinocular tilting head has a beam splitter to control the optical pathway (100:0 / 80:20 / 0:100). ± 5 dioptre settings for both eyepieces.

The Quick List ↩ 1. Best all-rounder – Razer Ring Light 2. Best for professionals – Lume Cube Ring Light Pro 3. Best value – Neewer Ring Light Kit 18" 4. Best for small spaces – Rotolight Ultimate Vlogging Kit 5. Best for smart devices – Xinbaohong Clip-On Selfie Light Common questions How we test

The brightness is dimmable via an analog adjustment dial, which some people actually prefer to digital control – though this can make it more challenging to achieve consistent light.

Large RingLight for photography

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So everything about this light is premium – though that also includes the price tag, which stands at 60 bucks more than the Wireless model (which, in itself, is over 100 bucks more than the lower grade but still great Razer Ring Light).

As you'd expect from Neewer, it comes in a ready-to-rock kit that includes an adjustable light stand, phone clip, carry case and even a Bluetooth remote – so you don't need anything else to get going.

You may have seen influencers or party gals using one on a night out, as it's ideal for capturing well-lit selfies. It's also perfect for Facetiming while on holiday or virtual meetings while traveling. It's a great portable makeup light, too!

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James has 22 years experience as a journalist, serving as editor of Digital Camera World for 6 of them. He started working in the photography industry in 2014, product testing and shooting ad campaigns for Olympus, as well as clients like Aston Martin Racing, Elinchrom and L'Oréal. An Olympus / OM System, Canon and Hasselblad shooter, he has a wealth of knowledge on cameras of all makes – and he loves instant cameras, too.

LIGHT INTENSITY MEMORY FUNCTION LIM Automatically stores the preferred brightness while the magnification is changed. You do not need to adjust the illumination brightness when you change magnification. This allows the preferred brightness to be maintained at each magnification level, significantly improving user efficiency and reducing eye strain. Supplied with a motorised nosepiece on all models as standard, for other models see ordering information under "Ordering information - automatic light intensity memory function". For example: model DX.1153-PLI = DX.1153-PLI/LIM with automatic light control.

DIASCOPIC ILLUMINATION Two Köhler illumination options are available for the Delphi-X Observer™ microscope: diascopic intensity adjustable 3W NeoLED™ Köhler illumination with internal 100-240V power supply or diascopic intensity adjustable 100W halogen Köhler illumination with internal 100-240V power supply. The diascopic halogen illumination is supplied with two push-in/push-out neutral density filters to evenly reduce light intensity for all types of samples. The diascopic NeoLED™  illumination is supplied with a neutral density filter.

It's not marketed as a ring light, but has the same properties and is great for tabletop lighting or shooting on the go when you still need premium performance for vlogging or streaming. Read more…

Now it's back in this all-in-one kit, which also includes a Rotolight mini tripod, stand adapter, phone clip and accessory bar – making it the perfect partner for a tabletop shooting setup in small spaces.

ICARE SENSOR The unique iCare sensor is designed to avoid unnecessary energy loss. The microscope's illumination automatically switches off as the user moves away from their position.

Sometimes when I'm using my phone or laptop, I don't have the time or space to set up a whole ring light. And sometimes, since I'm on my phone or laptop, I haven't brought a ring light with me!

If you want something for photography or pro-quality video, I'll point you towards the Lume Cube Ring Light Pro (below). But this is a fantastic 12-inch ring light perfect for day-to-day video conferencing, vlogging or streaming.

Given their donut-shape, ring lights are perfect for headshots and close-ups, whether you're shooting still images or video. So if you photograph or film yourself or others directly looking into the camera, a ring light is perfect for you. Ring lights can also be used like more traditional LED light panels, to provide overall key or fill lighting to a scene, but they are tailor made for shooting faces.

If performance is paramount, this is the way to go – I've done plenty of "proper" photography and videography on this, from portfolio headshots pop-up events to vlogs and corporate video. If budget is a factor, though, Lume Cube or Razer's alternatives may be more up your alley.

✅ You want the best light: This is the best ring light when it comes to the quality of the illumination. Gorgeous, soft, wrapping diffused light makes subjects look stunning.

J Marshall · 2012 — ... polarised light, or water-body detection by recognising polarisation ... POLARISATION VISION, AN UNEXPLORED CHANNEL FOR COMMUNICATION?.

PLAN ACHROMATIC EIS OBJECTIVES (routine clinical applications) The Delphi-X Observer™ comes standard with plan achromatic infinity-corrected 4x/0.10, 10x/0.25, 20x/0.40, S40x/0.65 and S100x/1.25 EIS objectives. Available as an option: 2x/0.06, S50x/0.95 (oil immersion) and S60x/0.80.

CARRYING GRIP The carrying grip built into on the back of the microscope ensures that the microscope can be carried safely and the integrated tool holder ensure that the right tool is always at hand.

My top pick for affordable, simple illumination. The Neewer balances quality and cost, with adjustable brightness and bicolor output (with a clip-on filter for 5,600K or 3,200K). Read more…

OBJECTIVE All objectives are 60mm Enhanced Infinity Corrected (EIS) and have a M25 mm mounting thread. All lenses are anti-fungus treated and anti-reflection coated to provide maximum light throughput. The S40x, S60x and S100x objectives are spring loaded (1) optional.

✅ You want an all-in-one solution: The kit includes a quality tripod and a ball head mount for phones or small cameras to perfectly aim the light – nothing else needed!

MULTI HEAD SYSTEM The Delphi-X Observer™ can be expanded with a multi head system for two, three, five or ten users. The central attachment is equipped with a joystick which moves a green and red laser pointer across the entire field of view of all heads. The multi head system with two, three or five heads and 30° inclined tubes are supplied with super wide-field eyepieces SWF /25mm. For multi-head systems with ten heads and 30° tubes, the trinocular primary head is equipped with SWF 10x/25mm eyepieces and the other binocular heads with extended wide-field eyepieces EWF 10x/22mm. The Delphi-X Observer™ multi head system with 10 heads is supplied without an ICare sensor. This can be ordered separately under reference: DX.2156-xxx/10 (only with halogen 100W illumination) or DX.1156-PLI/n (with NeoLED illumination). N = total number of heads. Xxx = PLI, APLI or PLPHi objective.

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❌ You need top performance: Other lights on this list are more powerful, offer digital controls, and can fully adjust the color temperature. ❌ You won't be stationary: This is a wired light, so if you want to move the light – or your shooting position – around, you're going to be limited.

STANDARD HEAD Siedentopf trinocular head with 30° inclined tubes. Adjustable interocular distance (47- 78 mm). The trinocular standard head has a beam splitter to control the optical path (100:0 / 80:20 / 0:100). Dioptre adjustment of ± 5 on both eyepieces.

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While ring lights may seem like simple devices, there's actually a lot to consider. So how we test them is by putting them through their paces in real-world conditions, using them for Zoom calls, photographing portraits, filming YouTube content – all at different times of day, in different natural and artificial light conditions.

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Photographers and videographers like me also use love ring lights as they create soft, natural-looking light and circular catch lights in the eyes. In addition to producing soft and flattering lighting, they provide continuous light – which is great for photographers new to lighting, because unlike flash guns you can see exactly what the light is doing before you press the shutter.

FACE-TO-FACE DUAL HEAD SYSTEM The Delphi-X Observer™ can be supplied with two binocular heads in a face-to-face configuration that allows simultaneous observation by two users. The primary head is equipped with Super Wide field eyepieces SWF 10x/25mm and the second head with EWF eyepieces 10x/22mm. A joystick allows the operator to move a green or red laser pointer across the entire field of view of both heads. Order reference: DX.2154-xxx (Halogen 100W illumination) or DX.1154-xxx (NeoLED models). xxx : PLI, APLI or PLPHi objective.

There are cheaper and brighter options out there – along with the more expensive, albeit wireless, Lume Cube Ring Light Mini – but I think this strikes the perfect balance of portability, brightness, and price.

State-of-the-art microscopes for advanced life science applications. Ergonomic design and state-of-the-art objectives make the Delphi-X Observer the ideal microscope for life science applications such as cytology and pathology.

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If you're shooting with a phone mounted, the tripod doubles as a grip – making this great for handheld filming and moving around. The hole in the middle is perfect to poke a shotgun microphone through, too.

✅ You need pro performance: The light stand is tall and robust, the remote control enables you to change settings on the spot, and the wireless battery life is great.

201994 — Proper lighting is extremely crucial to enhance the atmosphere and what will add to make your space a comfortable environment.

NEOLED™  The innovative NeoLED™ design is a combination of a custom LED and a specially designed thin lens with short focal length to deliver three main benefits: more oblique light from the LED light source can be captured, which significantly increases the light output. Less energy is required to achieve a given light intensity. The larger aperture of the NeoLED™ allows the optical system to produce images with higher resolutions, which are very close to the theoretical diffraction limit of the optical system.

PACKAGE CONTENTS Supplied with power cord, dust cover, spare fuse, instruction manual and 5ml bottle of immersion oil. Everything is packed in a polystyrene box.

CONDENSER FOR DIFFERENTIAL INTERFERENCE CONTRAST (DIC) AND BRIGHT FIELD  An optional height-adjustable disc condenser for DIC and bright field can be equipped with multiple primary DIC prisms for use with sliders with secondary DIC prism in the nosepiece.

For photo and video, this is my top choice. It's pricey but, with remote controls, wireless or USB use, and outstanding light quality, this is perfect for anyone who needs pro performance. Read more

That isn't the end of the world for its intended purpose of streaming and video capture next to your screen, though – especially considering how good the light quality is.

ENHANCED INFINITY SYSTEM (EIS) The Delphi-X Observer™ Enhanced Infinity System (EIS) consists of super wide field SWF 10x25mm eyepieces, 60mm high numerical aperture parfocal objectives and a 200mm focal length. The 200mm focal length tube lens reduces the angle of the light path passing through the optics, significantly improving chromatic aberration correction and contrast. The larger-diameter objectives allow for much larger numerical apertures, which improves the optical system’s overall resolving power. For all of these reasons, the Delphi-X Observer™ offers excellent optical performance for the most demanding applications.

✅ You need the most portable option: This little light is so small, it easily slips into a pocket, a handbag, a sling bag or anything else.

If this has been of interest you might want to check out the best video lights if you need continuous light for moving imagery, or the best photography lighting kits: for studio and location work.

PLAN PHASE CONTRAST OBJECTIVES Plan phase contrast infinity corrected EIS objectives 10x/0.25, 20x/0.40, S40x/0.65 and S100x/1.25 (oil immersion).

CONDENSER FOR PHASE CONTRAST Height-adjustable NA 1.25 Zernike phase contrast condenser with phase ring for 10/20/40x and S100x oil objectives. For use with phase contrast objectives.

❌ You want to shoot photos: At 12 inches, it's too small and doesn't have enough output to be used for effective photography – and being wired limits mobility. ❌ You don't have USB A: The light requires the older USB Type A connection, which many modern laptops and chargers don't have. Make sure to check your connections!

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