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Tamron Auto Focus 18-270mm f/3.5-6.3 VC PZD All-In-One Zoom Lens for Canon DSLR, Model BOO8E Filter Size 062mm
|Price:||$449.00 & FREE Shipping. Details|
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- 18-270mm focal length
- 27-405mm equivalent focal length on APS-C cameras, 28.8-432mm equivalent focal length on Canon APS-C cameras
- F3.5-6.3 maximum aperture; F22-40 minimum
- Micromotor-type AF motor without full-time manual focusing
- Image stabilization
- 62mm filters
- 0.49m/19.29" minimum focus
- Available in Canon EF-S, Nikon F (DX), Sony Alpha (without image stabilization) mounts
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|Aperture Control Design||Aperture controlled by camera|
|Compatible Mountings||Sony/Minolta Alpha DT|
|Focus Type||Micro-type ultrasonic|
|Item Dimensions||2.91 x 2.91 x 3.46 inches|
|Item Display Weight||449 grams|
|Item Weight||0.99 pounds|
|Lens Thread Size||62 mm|
|Lens Type||Zoom lens|
|Material Type||Plastic barrel, Metal mount|
|Maximum Aperture Range||F3.5 - F6.3|
|Maximum Focal Length||270 mm|
|Maximum Format Size||APS-C / DX|
|Minimum Focal Length||18 mm|
|Number of Diaphragm Blades||7|
|Number of Elements||16|
|Number of Groups||13|
|Photo Filter Thread Size||62 mm|
|Real Angle Of View||75 Degrees|
|Shipping Weight||1.48 pounds|
|Special Size Type||none|
Tamron AF 18-270mm f/3.56.3 Di II VC PZD Lens
From the Manufacturer
The acclaimed Tamron 18-270mm VC ultra zoom for APS-C format DSLRs has reached an astonishing new level of compactness, performance, and speed with the addition of PZD (Piezo Drive), an innovative ultrasonic autofocus motor based on an advanced piezoelectric design. The result is a lens that's considerably lighter, and noticeably shorter and slimmer (filter diameter: 62mm) than any previous lens in its class, and provides faster, quieter auto-focusing.
Signature features that have made this amazingly versatile lens the world standard in its class have been retained. They include a 28-419mm equivalent (15X) zoom range, an improved, lightweight, compact Vibration Compensation (VC) system, macro focusing to 0.49m (19.3 inches) throughout, and, of course, superlative imaging performance.
|Technical Specifications |
Focal Length: 18-270mm
Format Size: APS-C Di-II
Maximum Aperture: F/3.5-6.3
Diagonal Angle of View: 75°33' - 5°55'
Lens Construction: 16 elements/13 groups
MFD/Max. Mag. Ratio: 19.3" / 1:3.8 (at f=270mm)
Filter Diameter: 62mm
Overall Length: 3.5"
Maximum Diameter: 2.9"
Weight: 15.9 oz.
Diaphragm Blades: 7
Standard Accessory: Hood
Piezo Drive (PZD) Ultrasonic Autofocus Motor
Ultrasonic motors are divided into two categories depending on the principle that generates the energy to move the drive: traveling wave motors and standing wave motors. Traveling wave motors include the ring type ultrasonic motor used in the recently launched 70-300mm F/4-5.6 VC USD as well as other lenses, but this lens employs a newer technology, the PZD (Piezo Drive), which functions on the standing wave principle.
A standing wave ultrasonic motor utilizes high-frequency voltage to extend and turn the piezoelectric (piezoceramic) element, thus moving the entire element in a standing wave movement. The metal tip is the contact point of the element to the rotor, and moves in an elliptic motion from the swiveling motion of the moving element, and the friction from this motion turns the rotor. Standing wave ultrasonic motors have the distinct advantage of being smaller than their traveling wave counterparts, and therefore allow a more compact SLR lens size.
Lenses are designed for exclusive use on digital cameras with smaller-size imagers and inherit all of the benefits of our Di products. These lenses are not designed for conventional cameras and digital cameras with image sensors larger than 24mm x 16mm.
15x Zoom Ratio
This lens covers an extremely broad range of focal lengths, from an extra-wide 18mm length to a telephoto 270mm length (the 35mm equivalent of 28mm to 419mm). The resulting 15x zoom ratio is the world's largest, representing a wide cross section of Tamron high-power zoom design technologies. Plus, the vibration compensation works throughout the entire zoom range, giving you the freedom to create a wide variety of images. The lens lets users capture once-in-a-lifetime panoramic landscape images or close-up pictures of children smiling, all without getting too close to the subject or changing lenses. Other details include a macro magnification range of 1:3.5, a minimum focusing distance of 19.3 inches, and a 72mm filter diameter. The lens, which measures 3.1 inches in diameter and 3.9 inches long, carries a six-year warranty.
Vibration Compensation (VC)
Shake can ruin your photos, particularly when taking telephoto shots or shooting in low light conditions.Simply flip the VC switch on and you'll notice the difference immediately.
- VC delivers blur free - handheld images for incredible results
- VC mechanism employs a three-coil system
- Lens element compensates for vibration using 3-steel balls (making movement quiet & smooth)
- Exceptional images at slower shutter speeds – reduces the need for a tripod
- Bring out contrast to motion & stillness
- Eliminate the need to shoot with a Flash
Low Dispersion (LD) Glass for Greater Lens Sharpness
Internal Focusing (IF) System
Internal focusing provides numerous practical benefits to photographers including a non-rotating front filter ring that facilitates the positioning of polarizing and graduated filters, and more predictable handling because the lens length does not change during focusing. Even more important, Tamron’s Internal Focusing (IF) system provides a much closer minimum focusing distance (MFD) throughout its entire focusing range. In addition, IF improves optical performance by minimizing illumination loss at the corners of the image field, and helps to suppress other aberrations that become more troublesome at different focusing positions.
Zoom Lock (ZL)
Another original Tamron mechanical engineering concept is the Zoom Lock (ZL), a simple convenience feature that prevents undesired extension of the lens barrel when carrying the camera/lens unit on a neck strap.
Anomalous Dispersion (AD) for Better Color Correction
Aspherical Lens Elements (ASL)
Tamron uses several hybrid Aspherical lens elements in many lenses
Top Customer Reviews
+ First impression when mounted to my t2i was "wow". I could hardly believe how small this thing really is considering it's zoom range! It's also very light (only a tiny little bit heavier than a Tamron 17-50 2.8!)
You can carry it around easily and my t2i felt very well balanced with it. - A good start
+ the lens comes with a lens hood (you see Canon!?) and with a 5 years warranty. That's quite a package, even though the lens hood (being suitable for all offered focal lengths) cannot really help when you are zoomed in to the max.
+- the lens is manufactured in China. Quality appearance is ok, but nothing to rave about
+- considering it's enormous range, I was surprised how sharp this lens can get. Resolution is not the reason why I finally opted against the product. It never really gets razor sharp, but at least at most focal lengths it will get the job done. As long as you don't plan to print really big, contemplate your pictures at 100% view on a monitor, or plan to crop details, things will look quite all right (i will upload a few samples, to show you). There are only a few focal lengths at which it delivers really poor resolution unless stopped down at least two f-stops. Unfortunately two rather important settings are among these problematic ones. At the end of the zoom range (250-270 mm f 6.3) and at it's beginning (18 mm f 3.5) pictures can look plainly soft. Especially at the long end, this can be very disturbing as you need a whole lot of light anyway when shooting at 270mm. At f8 things look better, but you won't blur your background that easily and of course you will need quite bright light to get these shots free of shake.
- As I just said, the lens isn't what you would call fast at any rate. Moreover you need to stop it down to gain decent IQ at some settings and last but not least, it's higher minimum apertures kick in rather early (e.g. at a "portrait length" of 100mm it is already 5.6!) - a major draw-back for a so called "all purpose lens". I wouldn't recommend it to anybody who plans to shoot a lot in low light.
+- Vignetting is visible but I've seen worse (especially if you (again) take into account the long range). It also can be corrected quite easily.
- Purple fringing can be a problem at almost all focal lengths. Stopping down helps but it does not reduce CAs to zero.
- Contrast in general is not the strong point of this lens. between 24 and - say - 200mm it is alright when stopped down a little. In general I had more work to fine tune contrast than usual.
+- Due to the somewhat weak contrast colors aren't too snappy and sometimes I felt, I could see some kind of yellowish cast. In general, however, colors looked good to me.
+ I had no problems with flares
+ The IS-System of the lens works quite fine and without too much noise (only a faint zzzzzzzzz). I wouldn't expect it to give you more than two to two an a half f-stops.
When using your camera on a tripod you should definitely switch it off, as it visibly degrades IQ when used with a tripod
+- The new piezo drive was one of the reasons for me to give this lens a try (I don't like the focussing speed of my Canon 55-250 IS, which is both slow and noisy).
The Tamron 18-270 PZD focus is almost inaudible and in general quite precise. Focussing speed however is not impressive. I believe there are many micro-motor AF-systems out there that do the job quicker.
This system here is by no means comparable to Canon's USM...too bad
+++ Nothing to complain about here. Within a twist of a zoom-ring you can take almost every picture stye from landscape via Portrait to wild-life close-ups (if the beasts don't move too quick). The capabilities of this lens in this respect are nothing short of amazing. The one thing it doesn't do too well is macro.
If you are the kind of photographer that shoots mainly in bright light,
if you usually watch your photos on smaller screens or prints,
if you're not a "pixel-peeper"
if you do not like carrying lenses around or just don't want to switch them
if you're looking for a light all-round travel lens
if you are more than anything a spontaneous photographer
the Tamron 18-270 3.5-6-3 pzd is made just for you.
if you are seeking the "perfect picture"
if you like snappy colors and contrasts
if you are a "sharpness-victim"
if you like to print big or crop your images to point out details
if you're searching for high end built quality
You will have to look elsewhere and make your compromises on versatility instead of image quality.
Now please. don't take my 3-star-rating too negatively. I don't mean to bash this product, but to give you an impression of my experiences as objectively as possible.
The TAMRON 18-270 offers a great solution for people that appreciate versatility more than anything else.
As a super-zoom it is definitely worth a try. However imho too many compromises have to be made to buy this flexibility. And since you don't buy it for peanuts, I can't give it my recommendations without reservations.
Good luck with your decision
On the other hand, if you are expecting something you can use to take the place of the two standard kit lenses usually sold for the T1i or T2i; something that you can leave on most of the time and NOT have to change lenses very often, you'll probably like this.
This is a new lens for Tamron, but is an update for one they've had in the field for a while. I was a little hesitant about getting something this new in the product cycle but the lure of having a single lens for carrying around on the camera, and early reviews of it, convinced me to give it a try. On arrival I set it up on my camera and did some quick tests in anticipation of an upcoming trip. (This isn't meant to be an in-depth test and I reserve the right to modify it after spending more time with it.)
As other people have noted, this lens is a little on the "soft" side (refers to pictures not being tack sharp at all apertures and focal lengths). I compared it side-by-side with the Canon 18-55mm kit lens and the Canon 55-250mm kit lens. My test involved staging some shots at my house, under natural light, from a tripod at various backdrops and resolution charts. Not super scientific, but enough to tell me if I was going to send it back without further use.
The good news is that it performed about the same as the Canon kit lenses. It's a little slower and a little bit less sharp. But the overall sharpness seems to be very close. Higher f-stops (f/11 and up) seem to help a lot. Since I'm buying it to use as a walk-around lens I expect it will perform adequately for my purposes. If I wanted super sharp, I would spend a lot of money for a lens dedicated to that purpose. I bought this lens for those times when I want the camera with me but don't expect to be getting photos of the Elvis-Bigfoot Reunion Tour on their flying saucer.
The auto-focus in bright light and with a contrasty image was blindingly fast. In low light, it tended to hunt before giving up. Be aware that you have to turn the AF/MF switch to MF (Manual Focus) if you need to focus manually. Failure to do so--forcing the focus ring to turn while on AF--may damage the lens. This is true of the Canon kit lenses as well.
The image stabilizing function (VC) worked well, but I'd rate it as being worth about 2 stops instead of the 4 that Tamron claims. In a quiet environment you can hear the VC motors doing their thing but it's certainly not obtrusive.
I did note one thing that I found a bit puzzling but have decided to live with: At maximum focal length, I was "closer" to the target on the 250mm Canon than on the 270mm Tamron. The numbers seem to indicate that the opposite should be the case. It's not enough for me to send it back, but I was a little disappointed as I'd been expecting to be able to zoom in just about 10% more with this lens.
One last thing: Tamron's zoom ring turns the opposite of Canon's. That is, when the lens is on the camera, and you're holding it the normal way, turning it in the direction that zooms IN on a Canon lens will zoom OUT on the Tamron. They've always been like this. I can live with that, but it does mess up my muscle memory almost every time.
Overall, I like the lens so far and think it will be a worthwhile investment for those times when changing a lens isn't part of the game plan due to environment (dust, water), time (general purpose shooting) or inclination (laziness).