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Tamron AF 70-300mm f/4.0-5.6 Di LD Macro Zoom Lens for Pentax Digital SLR Cameras | 
 enlarge | Brand: Tamron
Category: Photography
List Price: $281.95
Buy New: $129.95
You Save: $152.00 (54%)
New (4) Used (1) from $125.43
Rating:  19 reviews
Media: Electronics
Optical Zoom: 4.3
Maximum Focal Length: 300
Minimum Focal Length: 70
Shipping Weight (lbs): 1.3
Dimensions (in): 5.3 x 4.1 x 4.1
Warranty: 6 years warranty
MPN: AF017P-700
Model: AF017P-700
UPC: 725211177142
EAN: 0725211177142
ASIN: B000EXR0VK
Release Date: March 8, 2006
Shipping: Eligible for Super Saver Shipping
Availability: Usually ships in 1-2 business days
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Product Description
Tamron now offers a lightweight, compact, high-image-quality telephoto zoom lens with macro capability of 1: 2 that can be used with digital cameras. This new lens is a Di type lens using an optical system with improved multi-coating designed to function with digital SLR cameras as well as film cameras.With this 70-300mm telephoto zoom lens, flipping a macro switch in the focal length range of 180mm to 300mm obtains a maximum magnification ratio of 1: 2 at a minimum focus distance as short as 37.4", enabling close-up shots of flowers, insects, and other objects that normally require the use of a specially designed macro lens. Moreover, this is a zoom lens that casually offers the distant capture and foreshortening effect pleasures of the 300mm ultra-telephoto world.
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| Customer Reviews: Read 14 more reviews...
 Phenominal Lens - For the $$$ August 26, 2008
Professor 77 (Seattle, WA)
2 out of 2 found this review helpful
My experience with this lens has been extremely positive. I purchased this lens to vacation with - it is inexpensive, has 1:2 macro capability and frankly, if it was damaged or lost during my travel it wouldn't be a devastating loss like losing a Pentax 50-135 or 100 macro.
My first trip with it was to Disneyland and I gave it a good workout as I was there prior to my wife's arrival while I attended a business conference and needed something to do in the late afternoon and evening. I found the lens to be excellent for flower macros in good light - distortion and CA were very low at 180-300mm in macro mode. On the other hand, for normal distances, 150-300mm tended to have noticeable CA, and at the wider end, 70mm had some barrel distortion that was noticed when I framed a few shots through windows, awnings, and the like. Low light performance was comparable to the Kit lens - not good but certainly something you can live with.IQ seemed best around f/8 which is not unusual for an inexpensive lens. Close Macro work such as insects was a bit lacking, DOF is always razor thin for Macro shots but it's to an extreme with this lens, only slightly better than a lens reverse mount but with the significant advantage of being able to focus from a greater distance. Bokeh is slightly fuzzy and lacks the smooth creamy appearance of most good Pentax lenses, and flare, though controlled, is noticeable especially in Macro mode. Several macro shots I have made have required extra PS attention to remove distracting flare in the out of focus areas. At the long end but not in macro mode, about 200-300mm, the bokeh is relatively smooth.
Overall this lens is an extreme value - a long 6 year warranty - excellent performance in good lighting - good macro performance for flowers and similar sized subjects - decent telephoto capability - minimal distortion in the mid-zoom ranges.
Some things to look out for and avoid if they are critically important to you: CA is noticeable in telephoto use, 70mm end has some barrel distortion, DOF in macro between 250 & 300mm is as little as 1/2cm or so, Autofocus hunts sometimes - especially if you don't lock, out the macro ring during regular telephoto use.
 Very Good Macro Lens August 11, 2008
K. R. Mitchell
For the money this lens does exactly what I wanted. It gives me a great telephoto reach (becomes a 450mm with my *istDL) plus the added bonus of a macro. For the money this is a very good lens.
good tool July 1, 2008
William A. Miller (Citrus Heights, CA USA)
1 out of 1 found this review helpful
I purchased this lens a week prior to my vacation to San Diego. I have a Pentax K10D. Prior to this purchase I was using my old 70-210 from my K1000 film camera. With the older lens, I was finding it difficult to accurately focus the manual focus lens with the digital camera.
The Tamron lens was an excellent value. I got excellent results even at low light situations. The only issue I had was that, while taking pictures from the tram at SD wild animal park, the auto focus was focusing on bushes as we passed by. One of my pictures came out with a perfectly focused image of a tree branch with a blurred image of an animal behind. The rest of the pictures were acceptable once I figured out the system.
Awesome Lens! June 10, 2008
Michael Morgan
0 out of 1 found this review helpful
Lens works great, the Macro Funtion is awesome for getting those artistic shots from far away.
Good budget telephoto June 3, 2008
Bindlestiff (rixtertech.com)
1 out of 1 found this review helpful
This works very well with my Pentax K200D. As they say, it's nothing fancy; a little clunky and the action sounds like a coffee grinder! But for the money I'm pleased and macro mode is absolutely fantastic. High contrast can bring purple fringing, but at this price I can get over it.
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