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Logitech MX Performance Mouse (Tracks on Glass)
 
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Logitech MX Performance Mouse (Tracks on Glass)

by Logitech
4.2 out of 5 stars  See all reviews (96 customer reviews)
RRP: £89.99
Price: £64.99
You Save: £25.00 (28%)
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Frequently Bought Together

Customers buy this with Logitech K350 Wireless Keyboard (UK Layout) £41.75

Logitech MX Performance Mouse (Tracks on Glass) + Logitech K350 Wireless Keyboard (UK Layout)
Price For Both: £106.74

These items are dispatched from and sold by different sellers. Show details



Product Specifications
General
Brand:Logitech
Hard Drive
Hard Drive Interface:USB 2.0

Technical Details

  • Logitech Darkfield Laser Tracking gives you precise cursor control on virtually any surface.
  • The tiny Logitech Unifying receiver stays in your notebook. There's no need to unplug it when you move around.
  • The flexible recharging system uses a micro-USB cable to recharge your mouse through your computer or a standard wall socket.
  • Hyper-fast scrolling lets you fly through long documents and Web pages with a single spin of the nearly frictionless scroll wheel.
  • The sculpted, right-handed shape guides your hand to a naturally poised position and places integrated controls.
  See more technical details

Product details

  • Boxed-product Weight: 662 g
  • Item model number: 910-001121
  • ASIN: B002L3TSKC
  • Date first available at Amazon.co.uk: 10 Aug 2009
  • Average Customer Review: 4.2 out of 5 stars  See all reviews (96 customer reviews)
  • Amazon Bestsellers Rank: 860 in Computers & Accessories (See Top 100 in Computers & Accessories)
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Product Description

Manufacturer's Description

Now your mouse works where others don't—even on glass.

Leave it to the world's leading maker of high-performance mice to conquer the surface where no mouse has worked before. The culmination of a groundbreaking five-year engineering effort, Logitech Darkfield Laser Tracking shatters the glass barrier with the first track-on-glass technology.

With the Logitech Performance Mouse MX, you have the power to achieve. You can track precisely on more surfaces – even glass tables (4 mm minimum thickness) – thanks to Logitech Darkfield Laser Tracking.

Tiny Logitech Unifying receiver stays in your notebook.
When sitting at a desk or table, many people choose to add peripherals such as a notebook mouse and keyboard to their computing setup to make it more comfortable. But when it comes time to change locations (e.g. heading home from the office), these peripherals need to be unplugged and each of their USB receivers stored somewhere safe.

To solve this problem, Logitech introduced the Logitech Unifying receiver – a tiny wireless receiver that’s so small it can stay plugged into a laptop at all times and can be paired with up to six compatible Logitech keyboards and mice. Logitech Unifying products are easily identified by the Unifying icon, which appears on the products themselves, as well as on the pre-paired, bundled receiver.

There's no need to unplug it when you move around, so there's less worry of it being broken or lost.



Closeup of the Zoom buttons

Recharge on-the-go

You can recharge your mouse through your computer or a wall socket, even while you're using it, with flexible micro-USB charging. You'll fly through long documents with hyper-fast scrolling. And its sculpted, right-handed shape with integrated thumb controls puts everything under your command.

Shattering the glass barrier – A Technical Background



Comparison of Dark Field LASER tracking
against traditional LASER and LED systems

All optical and laser mice use irregularities in the work surface to track the direction and speed of your mouse. The more irregularities on the surface, the easier it is for the sensor to track your movements. But there just aren't enough irregularities on clear glass for your standard mouse to work.

Beginning in 2005, Logitech – the world’s leading manufacturer of computer mice – embarked on a multiyear research and development project to create a mouse that could overcome these limitations. After considering many options – including Doppler radar, UV imaging and interferometry techniques – Logitech Darkfield Laser Tracking was developed.

Traditional microscopes – that use standard, or bright field, illumination – direct the light into the objective lens. But sometimes the tiny objects underneath the microscope lack contrast under normal illumination. For example, biologists often see this challenge when viewing small organisms in a liquid habitat; the contrast between the fluid and the organisms is not great enough for the microscope to detect.

To help scientists see objects that are very tiny and not sufficiently contrasted in the surface environment, dark field illumination was invented. Instead of collecting and focusing the light from points directly beneath the surface of the lens, dark field illumination blocks out the central area of light and only allows rays of light to enter the lens from an angle. If there are no objects beneath the microscope, the entire field will appear dark. But when the light hits a particle, it scatters the light into the lens at an angle. The resulting image has a dark background with bright objects on it, similar to a starry sky, and this is where the technique gets its name.



How Dark Field Illumination works on both
opaque and transparent surfaces. View larger.

To achieve dark field illumination, Logitech mice with Darkfield Laser Tracking use two lasers to more effectively collect microscopic details of the tracking surface. When the mouse is used on a regular surface – such as a formica table or a piece of paper – the texture of the surface provides plenty of detail for the lasers to track and requires only one of the lasers to be used. But for high-gloss surfaces that don’t have enough details, such as a glass tabletop, the mouse sensor views the surface itself as black and, instead, tracks the dust and other residuals that appear on the surface. In this case, two lasers are used. Diagram 4 (below) shows a visual representation of how dark field illumination works on both an opaque and a transparent surface.

Just as a scientist would use a dark field microscope in a lab, a Logitech mouse with Darkfield Laser Tracking illuminates the surface beneath the mouse at an angle, and collects and focuses that light back into the lens. Any small particles, such as dust or micro-scratches, are cast against a black background. Similar to the way that our eye sees the clear night sky, the mouse’s sensor sees the clean areas of glass as a dark background with bright dots – the dust. Then, the sensor interprets the movement of these dots to track exactly where you’ve moved the mouse. Diagram 5, above, provides a visual of this concept.

Because of its ability to detect the tiniest of particles, Darkfield Laser Tracking allows your mouse to track virtually anywhere. But because it requires some micro-details to work, it won’t work on a surface that’s perfectly clean and smooth. However, outside of scientific laboratories, such a surface is extremely rare.

Box Contains

Mouse
Logitech Unifying receiver
Logitech software CD
Micro-USB charging cable
AC power supply
Receiver extender cable
Pouch for charging system
User documentation


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Customer Reviews

96 Reviews
5 star:
 (60)
4 star:
 (17)
3 star:
 (6)
2 star:
 (9)
1 star:
 (4)
 
 
 
 
 
Average Customer Review
4.2 out of 5 stars (96 customer reviews)
 
 
 
 
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Most Helpful Customer Reviews

28 of 28 people found the following review helpful:
5.0 out of 5 stars Feature perfect mouse, 28 Nov 2009
This review is from: Logitech MX Performance Mouse (Tracks on Glass) (Electronics)
If you use a computer for any great length of time in certain industries, you soon appreciate how important a good mouse is. I've tried the Logitech Laser mouse before this but buttons were in the wrong place, one button was located under the tip of your thumb, didn't work. But the MX Performance seems to have got it just right, fully customisable and the lower thumb button feels natural to use. The scroll wheel also has a speed button which is fast becoming a 'can't live without' feature.

I migrated from PC to Mac, so a compatible mouse was important (one button was never going to cut it with me) and the MX ticks all the boxes if you're a Mac user, a quick download and you're ready to use. Comfort wise, like all Logitech mice of this standard it fits snuggly into the palm of your hand, buttons have a light but solid feel and are placed just right for my hand. Tracking is smooth and precise, I've not tried it on glass yet, but I don't have a glass table. The mouse is also surprisingly light despite having a re-chargeble battery, incidentally the battery life is good so far, well I haven't charged it since purchase!

The only downside to the MX is possibly the price, it's not cheap, but I've wasted so much on mice that just don't work for me and this is a product that will undoubtedly last and will not be replaced for a long time.
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7 of 7 people found the following review helpful:
1.0 out of 5 stars Defective middle click makes it unusable, 23 Feb 2011
By 
Adam Miles (Haywards Heath, West Sussex United Kingdom) - See all my reviews
This review is from: Logitech MX Performance Mouse (Tracks on Glass) (Electronics)
For a mouse that costs £60 you would think it would have the ability to register middle clicks more than 50% of the time but it doesn't. It's a nice mouse but the design flaw regarding middle clicking is completely unacceptable and makes this mouse a waste of time. If you don't *ever* use the middle mouse click then by all means buy this mouse but if you do, stay away from it like the plague. There are countless reports on the Logitech forums of people getting replacement mice only for the replacement to have the same problem time and time again, don't buy one hoping it won't happen on yours.
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38 of 41 people found the following review helpful:
5.0 out of 5 stars The Performance MX has it all, 15 Mar 2010
This review is from: Logitech MX Performance Mouse (Tracks on Glass) (Electronics)
I use it as a "laptop everywhere" mouse. I am very happy with it.

When my laptop goes into the docking station, I use it as a desktop mouse (so I only have the keyboard attached), as the unifying adapter stays plugged into the laptop. As the unifying adapter works with several peripherals, I could just get a wireless Logitech keyboard (like K800), and leave near the docking station.
I also use this mouse as a remote controller when watching movies from the sofa. I was planning to get an infrared remote, but this gets the job done, too.

I like:
- All surfaces really (vs. MS Bluetrack doesn't work on highly transparent surface, like glass kitchen table)
- Scroll-wheel can be switched to freewheel and rotary-click on the fly. This is the same cool as the Darkfield technology.
- DPI low/high can be changed on the fly (will have to sacrifice one of the buttons, ex. zoom or applicaiton switcher, though), the battery leds blink when dpi is changed
- Application switcher thumb button (altough this is different from XP/Vista/7 built in features and only works with the Logitech software)
- Battery can be charged during use, battery can be replaced to use standard AA alkaline battery, 3 leds show battery level
- Can work in parallel with other mouse
- Small radio transmitter (so great for laptops carried in bag, too)
- No pairing required, just switch on and it works (vs. Bluetooth and older wireless mouses need pairing and/or connect )
- On-off switch (saves battery power)
- No lag after idle
- No silly blue led that would illuminate

I didn't like (these are just minor things):
- Logitech driver feels old-school (low res icon graphics, non-standard dialogs and menus).
- Ergonomics are fine, just too futuristic for my liking (I prefer the MS/Razor Habu Gaming mouse ergonomics).
- This is unavoidable, but the receiver takes up 1 of 4 USB slots constantly in my laptop (vs Bluetooth mouse can work with built-in bluetooth, however I don't know how reliable is that)
- Application switcher not fast and smooth enough, so I rarely use it.
- Image zoom works in IrfanView 4.25, but doesn't work in Picasa 3.6.0 (under Windows XP).
- Back-Forward buttons are small for my liking, I prefer the huge buttons on the MS/Razor Habu ergonomis).
- Supplied USB cable is too rigid for mouse use. I use the cable of my Nokia phone, which is much softer.

In the box:
- Mouse
- Unifying transmitter
- USB cable with micro USB connector (cable also works with my Nokia phone, and can charge the mouse with Nokia charger)
- Power adapter has USB socket (compact size, works with the micro USB cable to charge the mouse or any other device, useful for overnight charging)
- USB extender cable (I've never used it)
- 2000 mAh AA NiMH battery GSYUASA EniTime (Sanyo eneloop style, keeps the charge)
- Soft carry bag for the cables (the mouse won't fit in this)
- Driver CD (outdated drives, download from logitech.com a fresh copy)
- Quick manual

I tried with Windows XP/Vista/7, worked well with all of them.
I think all mouse sensors will switch to the Darkfield or similar technology in 5+ years, it is so good.
I cannot tell about the battery life yet, and didn't try it with games. Very clean glass surfaces need a few minutes to get to work (so the surface gets dusty), as the sensor uses the dust particules to track the position.
It can be used in parallel with a wired mouse on the desktop (ie two mouses connected at the same time).

This is really a "has it all" type of mouse. I recommend both for laptop and desktop use.
For laptops, I recommend it over the Logitech MX Anywhere mouse, as this one can be charged/used with the USB cable, and works on more surfaces than the MS Bluetrack range. Also, the large sized MS desktop mouses have a huge USB key style adapter, which are not comfortable for laptop use.
Products referred:
Logitech MX Anywhere Mouse (Tracks on Glass)
Microsoft Explorer Mouse with Bluetrack
Microsoft Habu Laser Gaming Mouse

Update (2011 Feb):
* My current Dell E4310 has only two USB slots - so there is only one left for pendrive, webcam, external HDD, headset, card reader.
* Now I have Windows 7, works well.
* The middle button click in Firefox opens up a link in a new tab - somehow this only works after 3-4 click. I don't know if this is a problem with an addon in * Firefox, or a Mouse driver issue.
* I use one of the extra keys (Application switcher) to switch on off my 2nd screen, and the other extra button (zoom) to move windows from one screen to the other. Great feature.
* Instead of charging, I just bring a box of 4 Sanyo Eneloop batteries with me when I travel, and swap when low on battery.
* Battery lasts about 2-3 weeks without switching off the mouse and daily use.

Update (2012 Jan):
The middle button click was erratic in all applications (but it seems I used it mainly in Firefox).
Logitech customer support told me to send the mouse back for warranty at the point of purchase.
There is a DIY method to fix it on Instructables.
[...]
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