Does what it needs to,
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This review is from: 3 x atFoliX Screen Protection Panasonic Lumix DMC-TZ20 - FX-Antireflex anti-reflective (Electronics)
There will always be a glare problem with compact digital cameras that don't have an eye-piece. These improve the ability to use the camera in bright sunlight as well as can be expected - but an eyepiece is still preferrable.