Friday, August 31, 2012

Vortex Razor HD Gen II 1-6x24 Riflescope with JM-1 BDC Reticle MOA RZR-16003

Vortex Razor HD Gen II 1-6x24 Riflescope with JM-1 BDC Reticle MOA RZR-16003

Shock Sale Vortex Razor HD Gen II 1-6x24 Riflescope with JM-1 BDC Reticle MOA RZR-16003 very cheapYou looking to find the "Vortex Razor HD Gen II 1-6x24 Riflescope with JM-1 BDC Reticle MOA RZR-16003" Good news! You can purchase Vortex Razor HD Gen II 1-6x24 Riflescope with JM-1 BDC Reticle MOA RZR-16003 with secure price and compare to view update price on this product. And deals on this product is available only for limited time.

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Product Feature

  • JM-1BDC Reticle (MOA)
  • 30mm Main Tube
  • Illuminated Reticle
  • Second Focal Plane Reticle
  • APO Objective Lens System

Product Description

Vortex Razor HD Gen II 1-6x24 Riflescope � Every component, feature and performance characteristic of this riflescope is so well thought out and executed, it� s almost scary. Incredibly versatile and perfect for the AR platform, the Vortex Razor HD Gen II 1-6x24 is the ideal optical solution for short to medium-range tactical applications requiring the pinnacle of optical performance. � Optically, the Razor HD Gen II 1-6x24 delivers the highest level of clarity, resolution, color accuracy, light transmission and edge to edge sharpness obtainable. The ultra-forgiving eye box with generous eye relief generates a heads-up display-like sight picture for fast target acquisition and optimal dual-eye visual monitoring of the surrounding environment. Ultra sleek and built like a tank on a 30 mm aircraft-grade aluminum tube, the Razor HD Gen II 1-6x24 features an ultra-low profile, capped windage and elevation turrets for streamlined performance. Zero-resettable turrets offer 50 MOA of adjustment in a single turn—ensuring ample travel. � The JM-1 BDC Reticle Simple, intuitive and fast, the JM-1 BDC reticle is to Vortex. Designed in collaboration with world-renowned competitive shooter, instructor and gunsmith, Jerry Miculek, the JM-1 reticle facilitates rapid, accurate shooting at distances from point blank to 600 yards. A true daylight-bright illuminated center dot gives shooters red dot sight functionality and ultimate close-quarters versatility. Illumination is accessed and activated via the locking illumination dial positioned cleanly on the left side of the turret housing. Features 11 intensity levels with an off-position between each setting.   Optical Features   Second Focal Plane Reticle remains a constant size throughout magnification range. � APO Objective Lens System Uses index-matched lenses to correct color across the entire visual spectrum.

Vortex Razor HD Gen II 1-6x24 Riflescope with JM-1 BDC Reticle MOA RZR-16003 Review

This is by far the best 1-6x scope for the money I have ever owned. The larger adjusters are so easy to dial. The one click illumination power-on/off is genius. The field of view is amazingly wide. The reticles are just right not too thin or too thick; and the brightness is amazing. I shot well into the evening with this scope. Not to be offensive to Z6 fans out there, but I sold my Z6i after I shot a few weeks with this scope. No wonder it was voted 2013 scope of the year. I can't wait to see how Trijicon VCOG 1-6x compared to this Vortex Razor Gen II. I'm a Trijicon fan and I have no doubt Trijicon VCOR is a fantastic scope; however, I don't know if there will ever be anything better than this Vortex Razor Gen II. To me in the 1-6x category, the Vortex Razor Gen II is the best scope under $2000.

Most of the consumer Reviews tell that the "Vortex Razor HD Gen II 1-6x24 Riflescope with JM-1 BDC Reticle MOA RZR-16003" are high quality item. You can read each testimony from consumers to find out cons and pros from Vortex Razor HD Gen II 1-6x24 Riflescope with JM-1 BDC Reticle MOA RZR-16003 ...

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Thursday, August 30, 2012

OCZ RevoDrive 3 X 2 240 GB PCI Express 4 GB-s Slim Solid State Drive - RVD3X2-FHPX4-240G

OCZ RevoDrive 3 X 2 240 GB PCI Express 4 GB-s Slim Solid State Drive - RVD3X2-FHPX4-240G

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Product Feature

  • NAND Flash Components: Multi-Level Cell (MLC) NAND Flash Memory, Interface: PCIe-Express Gen., Form Factor: PCIe Full Heigh
  • Life Expectancy: 1 million hours Mean Time Before Failure (MTBF), ECC Recovery: Up to 55 bits correctable per 512-byte
  • Max Read: up to 1500 MB/s, Max Write: up to 1225 MB/s, 4KB Random Write: I/O Per Second (IOPS): 200,000 IOPS
  • NAND Flash Components: Multi-Level Cell (MLC) NAND Flash Memory, Interface: PCIe-Express Gen., Form Factor: PCIe Full Height

Product Description

Express Solid State Drives were designed with power users and work station users in mind where storage I/O performance is essential for maximum productivity. Eliminating the SATA bottleneck, the PCIe-based Revo 3X2 delivers ground-breaking 1GB/s of bandwidth and 130,0004 KB random write IOPS making this an ideal SSD for intensive multithreaded workloads, multimedia design, and work station applications. Along with unprecedented performance, the Revo3X2 features OCZ's proprietary Virtualized Controller Architecture (VCA) 2.0 which provides features including TRIM support and SMART data monitoring, something previously unheard of with PCIe solutions. In addition, the Revo3X2's Super Scale storage accelerator enables scalable SSD performance and significantly reduces the host CPU burden inherent to competing PCIe storagefferings. The Revo Drive3X2 series is a premium feature rich storage solution that delivers superior performance and reliability through innovative design.

OCZ RevoDrive 3 X 2 240 GB PCI Express 4 GB-s Slim Solid State Drive - RVD3X2-FHPX4-240G Review

This drive is excellent -- but ignore the reviews that refer to the hypothetical 1,500MB/sec numbers. It's really a 700MB/sec drive (which is why I subtracted 3 stars).

OCZ advertises this drive as having a 1,500MB/sec read speed, using the ATTO benchmarking tool (ATTO lists OCZ as one of their partners). The problem is that the 1,500MB/sec number comes from reading/writing files with all zeroes. Since the RevoDrive compresses data, the more compressible the data, the higher numbers you'll see -- and a file of all zeroes is the most compressible data possible (WinZIP compresses those files over 99.9%). Even a 20 year old hard drive could easily achieve 1,500MB/sec (or even 15,000MB/sec) if it used compression.

So with compression, test results using all zeroes are meaningless. It's no different than a hard drive manufacturer stating that their hard drive is 10TB, when in reality it is a 1TB hard drive that compresses files. The actual number depends on the type of data you have.

Like everyone else, I did get 1,500MB/sec reads using ATTO. Since the ATTO benchmarking tool defaults to all zeroes, however, that number is meaningless. Fortunately, ATTO can be set up to use random data (you need to choose "I/O Comparison" to access the "Test Pattern" options, and choose "Random"). Guess what? The same benchmarking tool that OCZ uses to advertise 1,500MB/sec confirms that this is really a ~700MB/sec read drive!

Worse, OCZ claims that the ~700MB/sec performance review sites show is due to mysterious "queue depth." But with ATTO benchmarking it at 1,500MB/sec using all zeroes and 700MB/sec using random data, there is now proof that the 700MB numbers are the real-life numbers, and queue depth isn't a factor for performance.

FWIW, I wrote a program to test the speeds of loading various files (using the Windows LoadFile() function to load the entire file into memory in one call). MP3's read at about 800MB/sec, MPGs at 700MB/sec, and the \windows\system32\ directory files at about 850MB/sec (1MB or greater files). I did see over 1,400MB/sec on a few text-based .csv files with all capital letters.

Also noteworthy is that the speed varies a lot even for a single file. With my old Intel X25 SSD, read speeds usually would not vary more than 1% for a given file that was read multiple times. With the RevoDrive, reading the same file multiple times often will result in 5%-20% differences in speed.

I should also mention that OCZ was willing to stand by their warranty (the one that came with my drive guaranteed for 3 years that the performance would meet published specs, which they admitted was impossible for the data I have, so OCZ is refunding my purchase price).

One last thing -- since Windows does not support TRIM for SCSI drivers, it is recommended that you leave 10%-15% of the drive space free.

Overall, I have no problems with the drive itself, and would have been very pleased with it had I bought it on the assumption it was a 700+MB/sec drive. But when paying a high premium for performance, if they say it is a 1,500MB/sec drive, I expect there to be *some* way to load my data at 1,500MB/sec (whether it is a tweak, upgraded drivers, even more RAM or a new motherboard). But no computer using a RevoDrive 3 X2 can load my data at 1,500MB/sec.

Most of the consumer Reviews tell that the "OCZ RevoDrive 3 X 2 240 GB PCI Express 4 GB-s Slim Solid State Drive - RVD3X2-FHPX4-240G" are high quality item. You can read each testimony from consumers to find out cons and pros from OCZ RevoDrive 3 X 2 240 GB PCI Express 4 GB-s Slim Solid State Drive - RVD3X2-FHPX4-240G ...

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Wednesday, August 29, 2012

Sigma 12-24mm f/4.5-5.6 AF II DG HSM Lens for Nikon Digital SLRs

Sigma 12-24mm f/4.5-5.6 AF II DG HSM Lens for Nikon Digital SLRs

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Product Feature

  • Lens Construction 16 Elements in 12 Groups
  • Angle of View 122 -84.1
  • Number of Diaphragm Blades - 6
  • Minimum Aperture - f22
  • Minimum Focusing Distance - 28 cm / 11 inch

Product Description

This Sigma 12-24mm F4.5-5.6 EX DG Aspherical lens is a result of Sigma's reputation for consistently producing outstanding wide angle and super wide-angle lenses. This lens incorporates an amazing range of popular focal lengths covering angles of view from approximately 85 up to 122 . This kind of scope makes this lens critical for landscape and scenic photography and can also be an amazing performer for interior and exterior architectural shooting. Three Aspherical glass elements offer correction for distortion and four SLD (Special Low Dispersion) glass elements employed for effective compensation of color aberration. It is also perfect for press or social situations where the photographer often has no control of the distances and size of the subject groups.

Filter Size - Rear Type (Gelatin Filter) Maximum Magnifications - 1 - 7.1 Mount - Nikon F (DX, FX) Dimensions - (Diameter x Length) - 87.5-x102.5 mm / 3.4 x 4.0 in. Weight - 600g / 21.2oz.

Sigma 12-24mm f/4.5-5.6 AF II DG HSM Lens for Nikon Digital SLRs Review

After reading all of the reviews about distortions on this lens compared to the
older version which I just sold I was very hesitant ordering version II.
But with Amazon return policy I could not go wrong.
Got this lens and I was very surprised.
Distortions are not as bad as in reviews. In the worst case
if straight lines are very close to the edge and the edge is just few feet from the lens
I get barrel distortion. Easily fixed and at the most I lose 1mm. Probably less.
In real life it almost never happens. This lens is also very sharp wide open maybe even slightly sharper than Canon 16-35mm F2.8
at F4.
On the other hand corner sharpness is almost 2 stops better than previous version of this lens.
Not only that but on previous version corners were smudged unless stopped down to at least F8 or more.
On the new version corners are just less sharp but still very acceptable wide open.
Combine that with much less vignetting (at least one stop less) and we got a winner here.
I use this lens on Canon 5D MK2.
I would give it 4.5 stars if I could.

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Tuesday, August 28, 2012

W12GTi MkII A patented, cast-frame 12"" (300mm) DVC subwoofer with 4000W peak power handling

W12GTi MkII A patented, cast-frame 12"" (300mm) DVC subwoofer with 4000W peak power handling

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W12GTi MkII  A patented, cast-frame 12

Price: $329.99    Updated Price for W12GTi MkII  A patented, cast-frame 12
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Product Feature

  • 25 - 4000 watts suggested amplifier power range
  • Patented Differential Drive Design (DDD) motor
  • Rare-earth neodymium magnet

Product Description

W12GTi MkII The JBL W12GTi MkII 12-inch (300mm) subwoofer is nothing short of amazing. Using technology from the JBL professional audio division, this sub features the patented Differential Drive � Design (US patent no 5,748,760 and other patents pending) motor that uses opposed dual voice coils in a neodymium magnetic field and handles an amazing 4,000 watts peak power (700 watts RMS). Other high-tech materials include a cast-aluminum frame, Kevlar® cone and nitrile butadiene rubber (NBR) one-piece surround. This sub represents the best 12-inch (300-millimeter) car subwoofer that money can buy. It’s the 12-inch reference standard. Nothing else even comes close. Select features to learn more: 25 – 4000 watts suggested amplifier power range 25 � 4000 watts suggested amplifier power range JBL engineers designed the W12 GTi MkII subwoofer to produce uncompromising, mammoth bass from an amplifier capable of delivering up to 4000 watts of power. This is nothing short of incredible. What � s more incredible is not just how much power this subwoofer can handle but how it handles the power by using patented, high-tech materials. In the end, this sub is the 12-inch (300-millimeter) reference standard for car audio subwoofer technology. Nothing else even comes close. Patented Differential Drive Design (DDD) motor Patented Differential Drive Design (DDD) motor JBL W12GTi MkII subwoofers employ Differential Drive Design (DDD), a patented technology developed by the JBL Professional Audio Division. Differential Drive Design employs two 3-inch (76-millimeter) voice coils, each suspended in a separate magnetic gap. At low power, both voice coils drive the subwoofer ��s cone, and any motor nonlinearities are cancelled. As power input increases so that one coil rides completely out of its gap, the other coil still applies force to the cone for significantly higher power handling. Rare-earth neodymium magnet Rare-earth neodymium magnet One of the breakthroughs in speaker design is the use of neodymium instead of heavier ferrite materials. Typically, audio makers use small amounts of neodymium in tweeters and midrange drivers. JBL engineers use generous amounts of neodymium in the W12GTi MkII subwoofer to ensure much greater magnetic-energy density. As a result, this subwoofer provides superbly accurate cone movements. It delivers a high degree of control that is virtually without comparison among car subwoofers. Kevlar-impregnated paper woofer cone Kevlar-impregnated paper woofer cone The Kevlar fiber is a well-known composite material that the military and law enforcement use for bulletproof vests and combat helmets. JBL W12GTi MkII subwoofer uses this rugged material in its cone. Since Kevlar material is extremely lightweight yet rigid and stiff, it� s the ideal cone material to move large amounts of air without flex or distortion. NBR (nitrile butadiene rubber) surround NBR (nitrile butadiene rubber) surround Nitrile butadiene rubber � commonly known as NBR � is a tough industrial gasket material. W12GTi MkII subwoofers use a single-piece surround and mounting NBR gasket that provides a complete seal between the front and back of the subwoofer � an essential design feature when you consider the high pressure levels that develop within subwoofer enclosures. NBR is also environmentally stable under a wide range of conditions and temperatures, which ensures that the subwoofer will replay sound in your car equally well during the summer or winter. Die-cast, vented aluminum frame Die-cast, vented aluminum frame JBL engineers designed the W12GTi MkII subwoofer’s proprietary die-cast aluminum frame from the ground up. Unlike the � �off the shelf� frames in some other subwoofers, this sub ��s aluminum frame features significant venting and heatsink fins to add power handling. And since aluminum is a rigid material, it keeps the critical voice-coil components in perfect alignment while they travel through the linear-excursion range. Progressive spider Progressive spider The W12GTi MkII subwoofer� s progressive spider provides restoring force to the cone in varying degrees, depending on the amount of excursion � hence the name progressive. The spider allows the cone to move easily under subtle music conditions, which results in a more musical subwoofer. By progressively adding more restoring force as movement increases, the spider ensures that the cone travel is always controlled, under even the highest excursion conditions. Dual 6-ohm voice coils Dual 6-ohm voice coils Conventional dual-voice-coil woofers use a pair of voice coils wound on the former and layered over the top of one another, and then both voice coils are centered in the speaker� s magnetic gap. The W12GTi MkII subwoofer� s voice coils rely on a push-pull system, each using its own magnetic gap. The two coils may be connected in series or in parallel to maximize an amplifier� �s output power. A Differential Drive Design (DDD) motor relies upon magnetic braking, which prevents damage from over-excursion. Insulated tinsel leads Insulated tinsel leads Tinsel leads carry ab audio signal into the voice coil. Because the W12GTi MkII subwoofer� �s tinsel leads are fully insulated, you need not worry about any arcing or electrical shorts. It ��s just one more detail that makes this subwoofer such a mechanical wonder. Gold terminal jumper binding posts Gold terminal jumper binding posts The W12GTi MkII 10-inch (250-millimeter) subwoofer features rugged, gold-plated binding posts for the speaker-wire connectors that accept the large-gauge wire commonly associated with high-power subwoofers. With positive terminals placed on one side and negative terminals on the other, this subwoofer features a unique jumper system: A single input terminal connection is needed for parallel (3-ohm) or series (12-ohm) configurations. What's in the box: View contents What's in the box � � 1 W12GTi MkII subwoofer• 8 10/24 machine screws � 8 T-nuts� Enclosure design sheet� Owner� s manual Download: Manuals & More Manuals & More Product Information Sheet English: 1537.53KB PDF Owner's Manual English: 735.35KB PDF Warranty English: 285.92KB PDF

W12GTi MkII A patented, cast-frame 12"" (300mm) DVC subwoofer with 4000W peak power handling Review

This sub lives up to every 5 star review. It is a total beast and produces some incredibly detailed bass. I have 2 now - one in a sealed 1 cubic foot box as suggested by JBL for optimal sound accuracy and another in a tank of a ported bassworx box. Both are made of 1" mdf. Thick heavy beastly bass boxes. I have a 2000 watt mb quart amp feeding them and it seems adequate but they could handle more.

If you have the room, and the budget for getting a sub of this calibre and putting in the cash for a good amp, 0 guage wiring and solid enclosures with zero vibration issues.... don't mess around with other brands. These look super classy and pack a monster punch.

Most of the consumer Reviews tell that the "W12GTi MkII A patented, cast-frame 12"" (300mm) DVC subwoofer with 4000W peak power handling" are high quality item. You can read each testimony from consumers to find out cons and pros from W12GTi MkII A patented, cast-frame 12"" (300mm) DVC subwoofer with 4000W peak power handling ...

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