Research-based buying guide · Checked October 31, 2026. We researched manufacturer documentation; we have not physically tested this product. Some shopping links may earn FitOnear a commission.
Shortlist the Focus 40 F40BK for a supported flat monitor when you need light over the keyboard and nearby paper. Measure the monitor and check the clamp first; this model is not the curved-screen or remote-control choice.
Shopping for Quntis Focus 40 F40BK?
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Quick decision
Consider it if: You have a supported flat display, a clear mounting area and a desk task directly beneath the light.
Consider an alternative if: Your screen is curved, you want a laptop clip-on light, or your task area needs a movable lamp.
Exact model and price
Quntis Focus 40 cm Black ScreenLinear Basic monitor light, variant F40BK, for the manufacturer’s stated flat-monitor fit range.
Variant: Focus 40 cm / ScreenLinear Basic, Black, variant F40BK. Not Focus 52, Dual-Control, Pro+ or Glow.
USD 42.99. Manufacturer USD sale-price listing for Focus 40 cm Black. Price checked October 31, 2026; US reference, before tax and shipping. Prices and selections can change. FitOnear does not sell this item.
Manufacturer specifications
| Identity | 40 cm, Black; F40BK / ScreenLinear Basic |
|---|---|
| Maker’s fit guidance | 15–22-inch flat monitor; 0.3–1.4-inch thickness |
| Controls | On-bar touch controls and automatic dimming |
| Explicit exclusions | Not suitable for laptops or curved monitors |
Release status: An exact announcement or first-sale date was not verified. The presence of a current product page is not a release-date source.
Check the surface the clamp will actually touch
Screen diagonal alone does not tell you whether the light will sit securely. Look at the top bezel, the thickness at the mounting point and the shape of the monitor back. Check whether a webcam or another accessory already occupies that space. Do not force a clamp onto an unsupported shape because the screen size is close.
Do not borrow features from a different Quntis
Product-family listings can show similar-looking bars with different controls or mounting designs. Match F40BK and the 40 cm selection before comparing the price. A photograph of a remote in another model’s listing does not establish that a remote comes with this one. Confirm the package contents at checkout.
Match the light to the task
A light above the monitor is a candidate for a keyboard, notes or documents immediately in front of the screen. A broad drawing area or frequently moving task may be better served by a repositionable lamp. If the actual problem is your face looking dark on calls, use our video-call lighting guide before buying a monitor bar.
Read source inconsistencies carefully
The manufacturer page uses several historical family labels and inconsistent colour-rendering figures in its copy. This guide therefore does not use those numbers to rank image quality or claim a measured advantage. Ask the seller for the current F40BK documentation if a disputed specification would determine your purchase.
Evaluate it in the room where you work
If you buy it, keep the return packaging and check the arrangement using your normal display angle and room lighting. Look for reflections, obstruction of the camera and whether the light reaches the page you read. This is a suggested evaluation, not a FitOnear glare or brightness test. Avoid converting a marketing claim into a guarantee for your particular monitor.
When the original Halo or a desk lamp makes more sense
Read our Focus 40 versus original ScreenBar Halo comparison for control and mounting differences. The original Halo buying guide covers that separate model. Keeping a useful desk lamp is a valid zero-purchase alternative.
Common questions
Is this Focus 40 suitable for a curved monitor?
The checked manufacturer page excludes curved monitors. Choose a model documented for your screen instead.
Does the USD 42.99 reference include a remote?
It refers to the selected F40BK Focus 40 cm listing. Do not infer remote-control features from another Quntis model.
Does FitOnear guarantee no reflections?
No. We have not performed a controlled test; evaluate your actual monitor angle and room.
How this guide was researched
We checked the exact model, package differences, listed price and documented limitations against the sources below. Buying advice is editorial analysis, not a measured performance score. Battery and specification figures are manufacturer ratings. No independent comfort, sound, recording or durability test is claimed.
Build around what you already own
Published October 31, 2026. Initial source and price verification; no hands-on test results.
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