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Pentax 100mm f/2.8 WR D FA smc Macro Lens for Pentax Digital SLR Cameras

by Pentax
| 3 answered questions

List Price: $849.95
Price: $668.29 & FREE Shipping
You Save: $181.66 (21%)
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  • WR Weather Resistant design is ideal for use on popular PENTAX weather resistant DSLR bodies.
  • Macro lens features a full 1:1 image magnification ratio (1X, Life Size).
  • D FA series lens features a "full frame" design, compatible with PENTAX film and digital SLR cameras, but optically optimized for digital imaging.
  • Rounded aperture blades improve bokeh at wide apertures for silky smooth background de-emphasis.
  • PENTAX SP (Super Protect) coating on front lens element helps repel dust, water, and grease, while minimizing fingerprints.
11 new from $641.53 3 used from $477.00

Frequently Bought Together

Pentax 100mm f/2.8 WR D FA  smc Macro Lens for Pentax Digital SLR Cameras + B+W 49mm Clear UV Haze with Multi-Resistant Coating (010M)
Price for both: $696.79

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  • Buy Used and Save: Buy a Used "Pentax 100mm f/2.8 WR D FA smc Macro Lens for Pen..." and save 43% off the $849.95 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.
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Technical Details

  • Brand Name: Pentax
  • Model: 100mm f/2.8 WR
  • Item Package Quantity: 1
  • Item Display Diameter: 49 millimeters

Read about our customers' top-rated lenses and cameras on our review pages: Lenses, Digital SLR Cameras, Compact System Cameras

Product Details

  • Product Dimensions: 2.6 x 2.6 x 3.2 inches ; 12 ounces
  • Shipping Weight: 1.2 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B0030GGS3O
  • Item model number: 100mm f/2.8 WR
  • Average Customer Review: 4.9 out of 5 stars  See all reviews (11 customer reviews)
  • Date first available at Amazon.com: September 1, 2008

Product Description

This PENTAX macro lens features a high-grade, aluminum barrel with the high-quality, exclusive exterior design and finish unique to the PENTAX D FA series lenses.  Further, the entire mechanism of the focus ring has been reviewed and upgraded to assure flawless manual-focus operation.  For improved performance, the PENTAX D FA MACRO 100mm F2.8 WR is the first PENTAX interchangeable macro lens featuring a completely rounded diaphragm blade to create a natural, beautiful bokeh at wide apertures, while minimizing the streaking effect of point light sources. PENTAX WR lenses feature simplified weather-resistant construction to repel water and moisture.  Combined with a PENTAX weather-resistant K-7, K20D, K200D or K10D digital SLR camera body, the lens performs well in damp, inclement outdoor conditions including rain, mist, water spray and splashes.

Customer Questions & Answers

Customer Reviews

4.9 out of 5 stars
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See all 11 customer reviews
Build is metal and very sturdy.
V. Waldron
The lens is light in weight, with very nice manual focus feel.
D. FANN
Focus is smooth and accurate and bokeh is beautiful.
Tracy

Most Helpful Customer Reviews

17 of 17 people found the following review helpful By Budd Adams on May 1, 2010
Verified Purchase
This new WR Macro is as slick as they come: sharp, quiet, quick focus, but manually adjustable to pick the exact point you want to be the center of attention. I'm certainly glad I got a 100mm macro,(my first)as getting close to objects like flowers on the ground is easier given the greater distance-to-object possible for the same size image. Then there's also avoiding your own shadow. The blurred backgrounds are also exceptionally smooth turning leafy backgrounds into art backdrops that really add to the picture. A longer zoom macro would be even handier, but none I know can match the crisp image of this one.
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17 of 18 people found the following review helpful By Trevis Thomas on March 29, 2011
Verified Purchase
I used to have the older version of this lens and it was one of my favorite. I love shooting flowers up close and the 1:1 macro lenses are excellent for that. In December I decided to sell my old one when I picked up the Limited 35 mm macro. I love that lens too but it doesn't get close enough for the way I like to work. Now that spring is here I've picked up the new weather sealed version and it's pretty fantastic.

The bokeh is soft and very pleasant, maybe even better than the older model. The build quality of the new lens feels a lot sturdier than the old one. These macro lenses protrude a long distance from the body when they are close focusing, that hasn't changed between the two but the WR version feels more solid.
The new lens hood is a tad smaller than the old one which makes it easier to carry around. I think that it's the same length but the opening facing the subject seems narrower. The lens motor is not the SDM variety, like the "star" lenses, so it's not whisper quiet but it's no louder than the old one.

This new version does not have an aperture ring so I don't imagine that it would work well with an older camera body but if you have a modern Pentax DSLR I think that it's a good upgrade. The better build quality and weather resistance were worth sacrificing the aperture ring for me.
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9 of 9 people found the following review helpful By V. Waldron on January 17, 2012
For those familiar with the Pentax brand, for years, Pentax has specialized in small, tightly built primes. Those with all metal builds are called the limiteds. For whatever reason, the D FA 100mm WR does not receive this designation, but it certainly fits with the overall theme of both the DA and FA limited lenses.

Build is metal and very sturdy. Hood snaps into place and is fairly good sized. Lens does not have an aperture ring or a focus limiter. It does have quick shift capability which is very handy and can limit hunting. Focus is throw is quite long (it is a macro lens after all) and if lens misses focus, it takes awhile to cycle from one end to the other.

Optics are very nice and quite sharp from f2.8. Distortion is completely absent as far as I can tell. This lens is definitely a notch above the Pentax SMC DA* Series 50-135mm f/2.8 ED IF SDM Telephoto Zoom Lens for Pentax and Digital SLR Cameras optically wide open -- less vignetting, less distortion, just sharper. Stopped down to f4, they are pretty even.

Out of focus areas are a step above the older Pentax D FA 100mm f/2.8 Macro Lens for Pentax and Samsung Digital SLR Cameras. Pentax basically updated this design and added rounded aperture blades, so that out of focus areas tend to be smoother with more rounded bokeh.

All in all, this lens is a joy to use. Having an aperture ring and focus limiter would be handy, but the lack of these is not enough for me to drop the lens from a 5 star rating.
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16 of 19 people found the following review helpful By BookWorm on July 7, 2011
Verified Purchase
It was a tough decision between the famous Tamron 90mm f2.8 macro and the new Pentax 100mm f2.8 macro. Decided on the Pentax despite ~50% higher price: WR, 49mm filter, lighter and more compact, all metal outside, excellent sharpness across the field and one stop down from 2.8 (still very-very good at 2.8, compare the graphs for the Tamron and Pentax on LensTips). The fact that protruding front lens is completely hidden inside the hood makes it very handy for street-candids-portraits. On the same note, it's much less flashy than the Tamron - no gold lettering with bright blue stripe (the actual lens looks extremely "handsome" - elegant black with silver lettering that is there but doesn't jump into your eyes.

The looks was the least concern for me but I feel obliged to congratulate the designers. I am familiar with optics and glass making but as the end user I don't care how many optical elements it contains as long as it produces sharp images, fits into my pants/shirt pocket, doesn't weigh 2 lb and can be used in the field w/o special precautions. This lens was designed using top-notch technology with photographers in mind. Minimal weight, nothing sticks out, the focusing ring is at the end of the lens, an additional central groove makes it very tactile - easy to find w/o looking and easy to turn w/o slipping - it just "sticks" to your fingers.

The lens is really compact and sits well on K-5, easy focusing. Sample pics were taken handheld 1/500 around 6pm under partially cloudy sky with AWB.

I don't miss the aperture ring but I would appreciate a focus limiter (was focus hunting 3-4 times out of 50) and slit in the hood for CPL. Also the price is on a steep side, thus minus 0.5 star in the total rating. To avoid focus hunting someone here suggested to pro-focus manually and then go to auto, hope that will work.

Amazon price and delivery was up to their usual unusually high standards, paid for 2 day shipment, got it next day.
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