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JVC Everio GZ-MG 21

alaTest has collected and analyzed 271 reviews of JVC Everio GZ-MG 21. The average rating for this product is 3.7/5, compared to an average rating of 4.0/5 for other Camcorders for all reviews. Reviewers really like the zoom and price. The size and portability are also appreciated, whereas some have doubts about the viewfinder and image quality.

usability, portability, size, price, zoom

image quality, viewfinder

We analyzed user and expert ratings, product age and more factors. Compared to other Camcorders the JVC Everio GZ-MG 21 is awarded an overall alaScore™ of 75/100 = Good quality.

See all JVC Camcorders

Review analysis

(Based on 271 reviews)

Expert Reviews  

User Reviews  

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Showing 1 - 168 of 204 Show Reviews: in English | in other languages (66)

Consumer review by: ( review summary for JVC Everio GZ-MG 21


alaTest has collected and analyzed 158 user reviews of JVC Everio GZ-MG 21 from The average user rating for this product is 3.7/5, compared to an average user rating of 3.9/5 for other Camcorders on Reviewers are impressed by the design and zoom. The price and portability also get good feedback, whereas the durability and image quality get less positive views.

usability, portability, price, zoom, design

image quality, durability

81% of the reviews on give this product a positive rating.

This summary is based on the products: JVC Everio GZMG21 20GB HDD Digital Media Camcorder with 32x Optical ZoomJVC Everio GZMG21 20GB HDD Digital Media Camcorder with 32x Optical Zoom

Jun, 2017

Expert review by: Which? (

Expert Review

  (Rating Hidden)
Jan, 2008

Expert review by: Will Greenwald (

JVC Everio GZ-MG21 review:


main content Hard drive camcorders seem like a great idea. A tiny hard drive in a small camcorder case can record hours upon hours of video without having to switch out a tape or a DVD. Unfortunately, JVC's execution falls short; just like its nearly...

Light and tiny; many hours of recording time.

Poor video quality; awkward control scheme; image stabilization is a joke; not for big hands.

The JVC GZ-MG21 is a nice idea, but its poor video quality and irritating control scheme make conventional camcorders seem a lot more appealing.

May, 2006

Expert review by: (

JVC Everio-G GZ-MG21 Hard Drive Digital Camcorder Review


No Viewfinder I am always a huge advocate of using the viewfinder on your camcorder. Viewfinders cut down on battery power, and can make it easier to see what you’re recording in bright light situations. The GZ-MG21 does not have a viewfinder, making...

May, 2008

Consumer review by: aliasnoname (

JVC Everio GZ-MG21: all zoom but no power


I recently upgraded my camcorder from a sony one that took 8mm tapes to the JVC hard drive 20gb. The JVC is very compact it has the video and it also has a built in digital camera which is an added bonus the camera isnt excellent but its just as good...

no more tapes

short battery life

Mar, 2007

Consumer review by: aliasnoname (

JVC Everio GZ-MG21 : all zoom but no power


I recently upgraded my camcorder from a sony one that took 8mm tapes to the JVC hard drive 20gb. The JVC is very compact it has the video and it also has a built in digital camera which is an added bonus the camera isnt excellent but its just as good...

Mar, 2007

Consumer review by: UK Guest (

great point and shoot.but grainy photos


i just use my JVC GZ-MG21EK Everio Digital Media Camcorder generally on auto mode and just film away and it copes well with most l...

Jan, 2007

Consumer review by: UK Guest (



The hard disk on the JVC GZ-MG21EK camcorder is good as it just records forever and is instantly recognised in Linux distros Ubunt...

Jan, 2007

Consumer review by: UK Guest (

Well worth the money


Just received my JVC GZ-MG21EK camcorder and I am extremely happy with it. Plenty of HDD space for recording. It could be better i...

Dec, 2006

Consumer review by: UK Guest (

Great Camcorder


The JVC GZ-MG21EK Camcorder arrived with in 2 days, it was the correct model with the right plug. It's easy to use with all member...

Dec, 2006

Consumer review by: UK Guest (

Beware 'horrible LCD' to quote my girlfriend


Bought JVC GZ-MG21EK this as my girlfriends Christmas present but thought the screen and image quality was very poor. The screen s...

Dec, 2006

Product Specifications

JVC is one of the world's leading developers and manufacturers of sophisticated audio, video and related software products. Building upon a wealth of technologies the company is moving decisively to offer appropriate solutions for the multimedia age. To remain at the forefront of the audiovisual industry in the 21st century, JVC is marshalling its resources to create the ultimate in appealing, cost-competitive products. PRODUCT FEATURES: Multi-Language On-Screen Menu; Hard Disk Protection with Drop Detection and Floating Suspension; Auto and manual focus; Digital Image Stabilizer; Program AE (Sepia / Black & White / Twilight / Classic Film / Strobe / Snow / Spotlight / Fixed Shutter / Sports); Backlight/Spotlight compensation; White Balance (Auto, MWB, Fine, Cloud, Halogen); Self-Timer; Motor-Drive Shooting; Macro Shooting as close as 5cm with zoom set to Wide; Tele-macro Shooting Distance: up to 40cm; Playlist Video Clip Playback and Slide Show Still Playback; Playback Scene Transitions (White Fader, Black Fader, B&W Fader, Corner Wipe, Window Wipe, Slide Wipe, Door Wipe, Scroll Wipe, Shutter Wipe).

Audio Input

Microphone Operation Mode:Stereo
Microphone Technology:Electret condenser


Battery Form Factor:Manufacturer specific
Manufacturer Battery Name:JVC BN-VF707U


3D: No
Camcorder type:Handheld camcorder
On Screen Display (OSD): Yes
On Screen Display (OSD) languages:CHI (TR), ENG, ESP, FRE, JPN, KOR, POR
Self-timer delay:2,10


Colour of product:Silver

Digital Storage Media

Type:Hard disc drive

Dimensions & Weight



Built-in Display: Yes
Display diagonal:6.35
Display resolution (numeric):112000

Display (Projector)

Diagonal Size:2.5in
Diagonal Size (metric):6.4cm
Display Form Factor:Rotating
Technology:TFT active matrix
Type:LCD display

Exposure Parameters

Shooting Programs:Snow / Sports mode / Spotlight / Twilight mode


Packaged Quantity:1
Product Line:JVC Everio

Image sensor

Effective megapixels (image):0.34
Effective megapixels (movie):0.34
Optical sensor size:25.4 / 6
Sensor Type:CCD
Total MegaPixels:0.68 / 0.8

Lens System

Digital Zoom:800
Filter Size:3.05
Focal length range (f-f):2.3 - 73.6
Image stabilizer: Yes
Interchangeable lens: No
Lens Aperture:F/2.0-4.5
Max Focal Length:73.6mm
Maximum aperture number:4.5
Min Focal Length:2.3mm
Minimum aperture number:2
Optical Zoom:32
Optical Zoom:32 / 33
Type:Zoom lens

Light exposure

ISO sensitivity:100, 200

Optical Sensor

Camcorder Effective Still Resolution:0.4Megapixel
Camcorder Effective Video Resolution:400Kpix
Camcorder Sensor Resolution:800Kpix
Optical Sensor Size:1/6"
Optical Sensor Size (metric):4.2 mm ( 1/6" ) / 4.2 mm ( 1/6 )
Optical Sensor Type:CCD
Sensor Qty:1CCD

Optical System

Image Stabiliser:Electronic

Other features

Lens system:F2.0 - F4.5
Power consumption (typical):3.9 / 6.5

Packaging Content

AC adapter included: Yes
Batteries included: Yes
Cables included:AV, USB
Handheld remote control: Yes

Ports & interfaces

DC-in jack: Yes
PictBridge: Yes
S-Video Out: Yes
USB 2.0 ports quantity:1


Shutter speed (photo):1/2 - 1/500
Shutter speed (video):1/2 - 1/4000

Still image

Image formats supported:JPG
Maximum image resolution:640 x 480


Camcorder media type:HDD, Memory card
Camcorder tape type: No
Compatible memory cards:SD
Disc types supported: No
Internal storage capacity:20


Maximum Video Resolution:720 x 480
Video formats supported:MPEG2

Video Input

Analogue Video Format:PAL
Digital Video Format:MPEG-2
Digital Zoom:800
Faders:Black & white fader / Black fader / Corner wipe / Door wipe / Scroll wipe / Shutter wipe / Slide wipe / White fader / Window wipe
Media Type:Hard disc drive
Shooting Modes:Digital photo mode
Special Effects:Black & White / Classic Film / Sepia / Snow / Strobe
Still Image Format:JPEG


Viewfinder Type: None

Weight & Dimensions

Depth:10.9 / 6.9
Height :10.9 / 6.9