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Panasonic PT-DZ21
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Panasonic PT-DZ21 Projector

10000:1 WUXGA (1920x1200) 49dB Aug 2013
Contrast Ratio Native Projector Resolution 3D Image Projection Noise Level Release Date
Panasonic's unique quad-lamp system, with its new high-power UHM lamps, has helped to make the body extremely compact while providing an astounding 20,000 lm of brightness. Panasonic's Dynamic... More
£803.44 Electricity cost over 5 years. Calculate
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14 Reasons For

Panasonic Has Excellent Reviews for Its Projectors

Panasonic is one of the best projector manufacturers according to average owner and expert review score data that we have collected for all projectors.

Supports Full HD Projection

Unlike most of the other multimedia projectors of this age and spec which do not support Full HD projection, the PT-DZ21 supports Full HD projection.

Alternative data projectors which support Full HD projection currently available that you might want to consider include because of it's better review score, the Epson 1975W[plb_3009713_price].

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Supports 3D Image Projection

The Panasonic PT-DZ21 supports 3D image projection, which is unusual. Most of the other similar spec projectors that have been available for more than two years do not support 3D image projection.

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WUXGA (1920x1200) Native Projector Resolution

The Panasonic PT-DZ21 has a maximum resolution of WUXGA (1920x1200). That's over two times the resolution of the most common native projector resolution of WXGA (1280x800).

A WUXGA (1920x1200) native projector resolution is actually the best resolution amongst all projectors that have been available for more than two years.

Amongst similar types of projector the worst resolution is SVGA (800x600).

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1920 X 1200 (WUXGA) Graphics Resolution

The Panasonic PT-DZ21 supports a maximum resolution of 1920 x 1200 (WUXGA). That's over seven times the resolution of the most common graphics resolution of 640 x 480 (VGA) (which is also supported by this multimedia projector).

A 1920 x 1200 (WUXGA) graphics resolution is actually the best supported resolution amongst all multimedia projectors of a similar age and type to the PT-DZ21.

A 640 x 480 (VGA) graphics resolution is the worst supported resolution across comparable types of multimedia projector.

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Very Big Matrix Size

Across all the similar spec data projectors that have been around for a comparable time to the PT-DZ21 the matrix sizes range from 0.45" to 0.96". At 0.96 inches, the Panasonic PT-DZ21 has a very big matrix size compared to most of the other data projectors of a similar type and age to the PT-DZ21.

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Four Lamps

Most of the other projectors of a comparable age and spec to the PT-DZ21 only have between one and three lamps, however the PT-DZ21 has four lamps.

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Quite Big Lamp Power

The lamp power of the PT-DZ21 of 465 Watts is one of the biggest amongst projectors of a similar age and type to the PT-DZ21. The lamp power of 10000:1 contrast ratio projectors that have been around for around the same time as the PT-DZ21 range from 15W to 840W.

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Two RS-232 Ports

The PT-DZ21 is a two RS-232 port data projector.

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Ten BNC Input Ports

The PT-DZ21 is a ten BNC input port projector. Most of the other multimedia projectors that have been around for around the same time as the PT-DZ21 only have between one and nine BNC input ports.

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Five Component Video in Ports

The Panasonic PT-DZ21 has more component video in ports than most of the similar spec projectors that were launched around the same time as the PT-DZ21. Most of the projectors of a comparable spec and age to the PT-DZ21 only have between one and four component video in ports, however this data projector has five component video in ports.

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Four VGA (D-Sub) Ports

The PT-DZ21 is a four VGA (D-Sub) port projector. Most of the other 10000:1 contrast ratio projectors that have been available for a comparable time to the PT-DZ21 only have between one and three VGA (D-Sub) ports.

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Fairly Big Uniformity

With a uniformity of 90 percent, the PT-DZ21 has one of the bigger uniformities amongst multimedia projectors of this age. The average uniformity of projectors of this age and spec is 83%, and the uniformities range from 0.9% to 100%.

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10 Mbit/s Ethernet LAN Data Transfer Rate

This projector has a 10|100 Mbit/s ethernet LAN data transfer rate, which is typical of many projectors of a similar type and age to it.

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9 Reasons Against

Does Not Have a Built-In Speaker

The Panasonic PT-DZ21 does not have a built-in speaker, unlike most of the other multimedia projectors that are a comparable age to the PT-DZ21 which have a built-in speaker.

We compared this multimedia projector to all the other multimedia projectors with a built-in speaker and we think the Epson PowerLite 1222[plb_2225031_price], or the NEC NP-M282[plb_2338575_price] which also has a higher rating is also worth considering.

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Does Not Support WiFi Connectivity

Like most of the other data projectors of a comparable type and age to the PT-DZ21, the PT-DZ21 does not support WiFi connectivity.

We compared all the other projectors which also support WiFi connectivity to this multimedia projector and we think the Benq W1500[plb_1561671_price], or the Epson PowerLite 1222[plb_2225031_price] which is also higher rated is also worth considering.

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Quite Dim Projector Brightness

The dimmest projector brightness of similar spec multimedia projectors that were released more than two years ago is 300 ANSI lumens, the brightest is 12,000 ANSI lumens, and the average projector brightness is 3,300 ANSI lumens. The Panasonic PT-DZ21 has one of the dimmer projector brightness (only 2,000 ANSI lumens) amongst comparable spec projectors of this age.

It may also be worth also looking at one of the alternative 2,000 ANSI lumens brightness projectors currently available including the W1300[pl_1998671_price], the W1080[pl_1495063_price], or the W1070[pl_1522360_price] all from Benq which has better reviews.

Projectors with a brighter projector brightness that might be worth looking at include the Epson VS330[plb_2272336_price] (2,700 ANSI lumens) which also has a higher rating.

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Very Slow Dot Clock Scanning Frequency

10000:1 contrast ratio projectors that came out more than two years ago have dot clock scanning frequencies of between 20MHz and 170MHz. With a dot clock scanning frequency of only 20 megahertz, the Panasonic PT-DZ21 has a fairly slow dot clock scanning frequency compared to most of the other data projectors that were launched around the same time as the PT-DZ21.

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Quite Short Lamp Service Life

At only 2,000 hours, the Panasonic PT-DZ21 has a very short lamp service life compared to most of the other 10000:1 contrast ratio projectors that have been on the market for around the same time as the PT-DZ21. The lamp service lives of comparable spec projectors that have been on the market for a similar time to the PT-DZ21 range from 500h to 30,000h.

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Running Costs Are High

Based on typical energy prices and usage levels we estimate that the PT-DZ21 will cost £804 over 1 year to run, which is in the most expensive 2% of all 136 projectors of a similar type and age.

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Very Loud Noise Level

At 49 decibels, the Panasonic PT-DZ21 has a very loud noise level compared to most of the other projectors that are a comparable age to the PT-DZ21. The quietest noise level of 10000:1 contrast ratio projectors that were released around the same time as the PT-DZ21 is 28dB, the loudest is 49dB, and the average noise level is 35dB.

If you don't mind having a louder noise level then you might want to consider the PT-DZ870[pl_1968831_price] (40dB), or the PT-DW11[pl_1938305_price] (45dB) both from Panasonic or the Epson EB-98[plb_1734445_price] (37dB).

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Very Heavy

When compared to other 10000:1 contrast ratio projectors that have been on the market for a similar time to the PT-DZ21 that we have checked, the weight of the Panasonic PT-DZ21 of 54 kilograms is one of the heaviest. The weights of projectors that were released more than two years ago range from 360g to 54kg, and the average weight is 4.6kg.

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Very Wide

With a width of 965 millimeters, the PT-DZ21's width is one of the widest amongst projectors that came out more than two years ago. The narrowest 10000:1 contrast ratio projector that has been available for more than two years is 100mm wide, the widest is 970mm, and the average width is 320mm.

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1 Other reason to consider the Panasonic PT-DZ21

Released Over Three Years Ago

This multimedia projector has been on the market for over three years.

Specification

Projector
Contrast Ratio
Native Projector Resolution
Projector Brightness
Horizontal Keystone Correction
Vertical Keystone Correction
Matrix Size
Uniformity
Supported Aspect Ratio
Compatible Screen Size
Native Aspect Ratio
Projection Technology
Lamps
Lamp
Lamp Type
Lamp Power
Lamp Service Life
Lens System
Vertical Lens Shift Range
Horizontal Lens Shift Range
Video
3D Image Projection
Graphics Resolution
Full HD Projection
Video Mode
3D-Ready
HD-Ready
Analog Signal Format System
Ports & Interfaces
RS-232 Port
BNC Input Port
DVI Port
Component Video in Port
PC Audio Input
Microphone Input
Headphone Output
Composite Video in Port
Ethernet LAN (RJ-45) Port
HDMI Port
VGA (D-Sub) Port
AC Power in
Networking
WiFi Connectivity
Ethernet LAN Data Transfer Rate
Ethernet LAN Connection
Storage
Integrated Card Reader
Performance
Noise Level
Dot Clock Scanning Frequency
Horizontal Scan Range
Vertical Scan Range
HDCP
Multimedia
Built-In Speaker
Design
Cable Lock Slot
Ceiling Mountable
Form Factor
Colour
LED Indicator
Product Type
Power
Power Source
Power Consumption On Standby
Typical Power Consumption
Input Frequency
Input Voltage
AC Adapter Frequency
AC Adapter Input Voltage
AC Input Frequency
AC Input Voltage
Operational Conditions
Relative Humidity Operational Range
Storage Temperature Range
Operating Temperature Range
Certificates
Energy Star Certified
Weight & Dimensions
Weight
Height
Depth
Width
Packaging Content
Manual
User Guide
Handheld Remote Control
Battery Included
Quick Start Guide

Brochures and Manuals

Running Cost

Hours of Use Per Day: hours
Show running costs over: years
Electricity cost when switched on £737.10
Electricity cost when on standby £66.34
@ £0.139 per kwh - Edit electricity price and usage
kwh per hour
kwh per hour left on standby
Electricity price £per kilowatt hour
Annual electricity price inflation %
Water cost when switched on
@ £0.003474 per litre - Edit water usage and price
litres per hour
Water price £per litre
Annual water price inflation %
Submit Energy Consumption Figures
Total running cost over 5 years £803.44
Running costs for this projector have been estimated based on other similar projectors. If you know how much electricity and water the Panasonic PT-DZ21uses then please let us know by entering those figures in the boxes above.
4.0T
Running this projector over 5 years will generate 4.0 tonnes of carbon dioxide (CO2).
103
To offset that much CO2 you would need to plant 103 tree seedlings and grow them for 10 years.

+- Manufacturer's Description

Product Identifiers

Manufacturer Part Numbers ptdz21, ptdz21k, ptdz21ke, ptdz21kej, panasonic ds20, panasonic dw17, panasonic dw17k, panasonic ds20k
Barcodes 05025232652280, 05025232652297

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See How Other Projectors Compare to the Panasonic PT-DZ21

Epson EB-1985WU vs Panasonic PT-DZ21

Epson EB-1985WU vs Panasonic PT-DZ21
Epson EB-1985WU Panasonic PT-DZ21
£ 1,423.79
11x Lighter
588mm Narrower
Newer by Eleven Months
Two VGA (D-Sub) Ports
Only One RS-232 Port
Three Less Lamps

Acer P7605 vs Panasonic PT-DZ21

Acer P7605 vs Panasonic PT-DZ21
Acer P7605 Panasonic PT-DZ21
£ 1,730.87
Lighter
Hugely Narrower
81% Cheaper to Run
Two More HDMI Ports
Only One Lamp
One Less RS-232 Port

Epson EB-98 vs Panasonic PT-DZ21

Epson EB-98 vs Panasonic PT-DZ21
Epson EB-98 Panasonic PT-DZ21
£ 450.26
Hugely Narrower
Lighter
Three VGA (D-Sub) Ports
Significantly Longer Lamp Service Life
Only One RS-232 Port
Dimmer Projector Brightness
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