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InFocus LP 640

InFocus LP 640
alaScore 76

18 reviews

Mar, 2018

  • Negative

alaTest has collected and analyzed 18 reviews of InFocus LP 640. The average rating for this product is 3.3/5, compared to an average rating of 4.2/5 for other Projectors for all reviews. Reviewers really like the design. The usability is also appreciated.

usability, design

We analyzed user and expert ratings, product age and more factors. Compared to other Projectors the InFocus LP 640 is awarded an overall alaScore™ of 76/100 = Good quality.

Review analysis

(Based on 18 reviews)

3 expert reviews

User Reviews  

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Consumer review ( review summary for InFocus LP 640


alaTest has collected and analyzed 14 user reviews of InFocus LP 640 from The average user rating for this product is 3.3/5, compared to an average user rating of 4.2/5 for other Projectors on People really like the usability.


57% of the reviews on give this product a positive rating.

This summary is based on the products: InFocus LP640 Business LCD Video ProjectorInFocus LP640 Business LCD Video Projector

Mar, 2018

Expert review by : Jeremy Roche (

InFocus LP640


Displaying images brightly and sharply, this stylish LCD projector is best suited for boardroom presentations. Read our Australian review.

May, 2004

Product Specifications

InFocus is a projection industry pioneer and the worldwide leader in designing, manufacturing, and marketing award-winning digital projectors, technologies, and services. The company maintains its position at the forefront of the industry by conducting and supporting research and development to expand the category and provide best-in-class projection technologies, and by communicating the value of projection to professionals, educators and consumers. This ceiling mount extension arm features pipe tubing extension - 18" to 24".

Audio Output


AV Furniture

Material:Aluminium alloy
Recommended Use:Projector
Type:Mounting component/Mounting kit

Dimensions & Weight




Display (Projector)

Class:Digital projector
Colour Support:24-bit (16.7 million colours)
Display Resolution Abbreviation:XGA
Image Brightness:2200ANSI lumens
Image Contrast Ratio:400:1
Max Image Size:7.5m / 750cm
Max Resolution:1024 x 768
Max Screen Distance:10m
Min Image Size:1m / 100cm
Min Screen Distance:1.5m
Type:LCD projector


Compatibility:Mac / PC
Packaged Quantity:1
Product Line:InFocus/InFocus LP/InFocus Universal Ceiling Mount


Bulb power:170
Lamp Type:UHP
Service life of lamp:2000

Operational conditions

Operating temperature (T-T):10 - 35

Other features

Aspect Ratio:4:3
Dimensions (WxDxH):294 x 260 x 103
Resolution:1024 x 768


Horizontal scan range:16 - 110
Noise Level:34
Vertical scan range:50 - 85


Power consumption (typical):260


Contrast ratio (typical):400:1
Projector brightness:2200
Projector native resolution:XGA (1024x768)

Projector Lamp

Bulb life cycle:2000hour(s)
Bulb type:UHP

Service & Support

Type:2 years warranty

Video Input

Analogue Video Format:NTSC / PAL / SECAM
Analogue video Signal:Composite video / RGB / S-Video

Weight & Dimensions