星期二 | May 06, 2008

sony dcr-trv280 camcorder, sony np fm50

The DCR-TRV280 is this year’s low-end addition to the Sony Digital8 series. What it lacks in manual control options it makes up for in price, and what it lacks in chic packaging it compensates for in ease of use. It’s the only Sony model that does not feature a touch screen LCD; instead control functions are dispersed atop the massive frame–to the user’s ultimate benefit. The camcorder has not evolved from its predecessor, the DCR-TRV260 (original battery code : sony np-qm91d , sony np-qm71d

The Sony DCR-TRV280 is a behemoth and the only Sony camcorder this year to not relocate its menu system to a touch screen LCD. Control is exacted via the panoply of buttons on the camcorder’s body. The measure of control will be limited as well. No manual white balance or shutter speed is offered, and the zoom toggle is disproportionately small.
The imager is the same as all Sony Digital8’s for the last few years: a 1/6” CCD with 290K effective pixels. Under bright light conditions, the DCR-TRV280 reproduced colors with decent accuracy and acceptable noise levels. The colors were, however, somewhat washed. Low light performance was generally poor, but no more so than the performance from its big sister, the DCR-TRV480. A solid 20x optical zoom comes with the DCR-TRV280, as well as a flashy 990x digital zoom, a sad, misleading feature meant to lure in unschooled consumers. (Digital zoom artificially enlarges the picture, distorting it in the process.)

Ease of use is perhaps one of the crucial factors that can lead someone to choose a Digital8 over a MiniDV camcorder. If so, the DCR-TRV280 will not disappoint. Given the lack of manual control options, this camcorder is designed almost exclusively for point-and-shooters. The buttons are all clearly marked for each purpose, and if even these small tasks confuse the user, there is an Easy button on the upper left side that relegates nearly all quality control to the camcorder.

The DCR-TRV280 does not take stills. A step up from the DCR-TRV280 (sony np-qm71d , sony np-qm91d )will buy you this feature. Surprisingly, a Widescreen shooting mode is available, though it is not a true 16:9 aspect ratio. Ports on this camcorder include DV, A/V, and USB. Other features include Burn DVD, which allows you to burn the footage onto a computer with a DVD burner or to a DVD recorder. There’s also NightShot, Super NightShot, and Color Slow Shutter, which slows down the shutter speed in low light in order to capture more color information.

Main Features
Digital Zoom: 990 x
Camcorder Sensor Resolution: 460 Kpix
Exposure Modes: Program, automatic
Optical Sensor Size: 1/6"
Webcam Capability: Yes
Optical Sensor Type: CCD
White Balance: Automatic
Max Shutter Speed: 1/4000 sec
Min Shutter Speed: 1/60 sec
Media Type: Digital8
Min Illumination: 0 lux
Recording Speed: SP, LP
Shooting Programs: Spotlight, sunset & moon, landscape, portrait mode, beach & ski, sports mode
Special Effects: Solarization, Sepia, Mosaic, Stretch, Slim, Pastel, Monotone, Negative Art
Digital Scene Transition: White fader, monotone fader, stripe, mosaic fader, black fader
Image Stabilizer: Electronic (Steady Shot)
Analog Video Format: NTSC
Horizontal Resolution: 500 lines
General
Product Type: Camcorder
Width: 3.3 in
Height: 3.9 in
Depth: 5.9 in
Weight: 1.8 lbs


Battery life

Sony supplies a NP-FP30 lithium ion battery with the DCR-TRV280. If the user continuously records with the LCD open the camcorder will function for 1 hour, 18 minutes, and 20 seconds. This is slightly less than the time stated in the user manual, which stated an estimated time of 1 hour and 20 minutes. (We use fresh batteries for this test, but bear in mind that as the battery ages its maximum continuous recording time will decrease.)

Sony np fm50 camcorder battery

* SONY NP FM50 battery for camcorder
* Volt: 7.2V
* Capacity:1300mah
* Dim: 55.50x38.20x20.50mm
* Color: DARK GREY
* Chemistry:Li-ion

Posted by ling ling at 18:35:42 | Permanent Link | Comments (0) |

星期三 | 四月 30, 2008

Toshiba satellite a75 laptop review

I bought the Toshiba Satellite A75 notebook computer for school and other applications as well as gaming. Most people would agree that I should have gone for a Pentium M if I am going to be transporting it to class and could take advantage of the better battery life. I probably would have if I didn't get such a good deal on this one. I snagged it for about $600 less than retail from where I work. The A75 is a desktop replacement style notebook, which is what I wanted, so I jumped on this deal.

The Toshiba Satellite A75 desktop-like build is by no means slim, and it's certainly not pretty, but it packs in some decent multimedia features. The 3.33-GHz Mobile Pentium 4 548 processor, 100GB hard drive, and DVD±RW drive are especially useful for home video editors.

For a mainstream laptop, the Toshiba's array of ports and slots falls right on the money. The laptop's left edge accommodates an infrared port and one Type II PC Card slot. The back edge is home to ports that include one for S-Video out, one VGA, one parallel, a 56Kbps modem, a 10/100 Ethernet, and two USB 2.0 ports; there's a third USB 2.0 port on the right edge, along with a headphone jack, a microphone port, and a couple of handy extras: a wireless on/off switch to conserve battery power and a volume-control wheel. Toshiba's Web site offers the Satellite A75 line in five preconfigured versions; in-store versions may vary. While many mainstream laptop manufacturers take this tack to save cash, the fact that you can't customize your A75 system irks us.

The Satellite A75's five configurations have five different model numbers (our evaluation system was the A75-S206), but they all use many of the same basic components. Each Satellite A75 runs a mobile Pentium 4 processor with Intel's much-hyped Hyper-Threading technology, an average 512MB of memory, and an aging ATI Mobility Radeon 9000 graphics chip that borrows up to 64MB of video RAM from the main memory. Also onboard is a fast Atheros 802.11b/g wireless mini PCI card and a preloaded version of Microsoft's pared-down office suite, Microsoft Works.

Design and Build

The design is fairly sleek as a nice consumer line notebook should be. A nice blue power light sits above some media buttons, it's nothing special but it looks cool. The top (back side of screen) is a slick metallic-looking cobalt color which is nice opposed to some of the standard black, charcoal and magnesium alloy cases. Overall this unit is fairly sturdy. I do not feel like I am going to break it while I'm moving it around and I even twisted the screen lid a bit to test it out, it holds up pretty well. Again, it is a consumer line, not business so it's not quite the rigid metal frames of the expensive ones, but does quite well.

Screen

The screen is absolutely wonderful. It was a factor in my purchasing this machine. A Toshiba Pentium M system with a widescreen TruBrite screen is several thousand dollars more, so this unit was quite appealing. It is always bright enough for me to see, even when I set the brightness down to save battery life. When outdoors, there is a glare on it because of the glossy finish, but it doesn't annoy me because the screen is bright enough to shine through and I never really notice the glare. Indoors, I haven't noticed a glare at all and it is the brightest, most brilliantly colored screen I have yet to see. Absolutely beautiful. I was fortunate in that it has absolutely no dead or partially lit pixels. It is a 15.4" widescreen factory set at 1280x800.

Wireless

Toshiba packages the Atheros Super G 802.11g wireless adapter built in. I love this feature, it is wonderful. It works extremely well, no difficulty and it has a convenient switch on the right side to toggle on/off. Wireless internet is a marvel in its own right. Not that it is a huge deal, but I would rather have one built in as opposed to one in the PC Card slot sticking out. There is no Bluetooth on this model. I have nothing to utilize the technology anyway, so that has no effect on me.


Conclusion

I love the fact that I can get a powerful computer in such a compact package. The screen and the DVD-RW drive are the highlights of the system, as well as having an ATI graphics chip. Overall I love this computer and would recommend it to people who want an excellent desktop replacement. If someone was really looking for battery life, I might have to recommend a similar system, only with a Pentium M instead of Pentium 4. For the price I paid (far less than retail), this computer is amazing. At retail price of over $1400 dollars, it's still a great machine for the money, but it's not quite the steal I got, so it may not seem as worth the money. In conclusion: great machine for all performance needs with adequate battery life, unless doing processor intensive applications. Recommended!

Notebook Time to Calculate Pi to 2 Million Digits
Toshiba Satellite A75 (3.2GHz Pentium 4) 1m 57s
IBM ThinkPad T43 (1.86GHz Pentium M) 1m 45s
Fujitsu LifeBook N3510 (1.73 GHz Pentium M) 1m 48s
IBM ThinkPad T41 (1.6GHz Pentium M) 2m 23s
Compaq R3000T (Celeron 2.8GHz) 3m 3s
Dell Inspiron 600m (1.6 GHz Pentium M) 2m 10s
Dell Inspiron 8600 (1.7GHz Pentium M) 2m 28s



Battery

Battery life is surprisingly decent for a big and powerful desktop replacement. I set the screen to middle level brightness and also set the hard drives and screen to never turn off and left the wireless adapter on. With these settings the system ran for 3 hours even. Toshiba satellite a75 laptop battery detail :

Original Battery code: toshiba pa3383u-1brs
Battery Item : TOSHIBA SATELLITE A75 SERIES Battery
Battery Type :Li-ion
Volt : 14.8V
Capacity : 6600mAh
Color : Black
Net Weight: 737.09 g
Dimension: 217.20 x 61.09 x 20.40 mm

Posted by ling ling at 17:32:52 | Permanent Link | Comments (0) |