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  • SMC Pentax FA 50mm f/1.4
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SMC Pentax FA 50mm f/1.4

by Pentax
| 7 answered questions

List Price: $449.95
Price: $424.53 & FREE Shipping. Details
You Save: $25.42 (6%)
Only 4 left in stock.
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  • Compact, Standard Lens
  • Extremely Large F/1.4 Aperture Allows Extra-fast Shutter Speeds & Wonderful Depth Of Field Control
  • Focal Length Equivalent To 75mm When Used On A Pentax(r) Digital SLR Camera Body (1.5x Crop Factor)
  • Pentax(r) Super Multi-coating For Very Low Light Loss
  • Compatible With All Pentax(r) Film & Digital SLR Cameras
  • Only 1.5 inches and 7.8 ounces
  • 47 degree angle of view
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21 new 15 used from $225.00

Frequently Bought Together

SMC Pentax FA 50mm f/1.4 + Tiffen 49mm UV Protection Filter
Price for both: $428.52

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Technical Details

  • Brand Name: Pentax
  • Model: B00005ABC5
  • Lens Type: Prime lens
  • Minimum focal length: 50 millimeters
  • Maximum focal length: 50 millimeters
  See more technical details

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

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This item: SMC Pentax FA 50mm f/1.4

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Customer Rating 4.7 out of 5 stars   (106) 4.3 out of 5 stars   (53) 4.4 out of 5 stars   (78) 4.5 out of 5 stars   (42)
Price $424.53$372.29$499.00$141.12
Shipping FREE ShippingFree ShippingFREE ShippingFREE Shipping
Sold By Another Deal SiteDavisMAXAmazon.comAnother Deal Site
Lens Type Prime lens zoom Zoom lens Standard zoom
Maximum Format Size 35mm FF Information not provided APS-C / DX Information not provided
Maximum Aperture Range F1.4 3.5 - 5.6 F2.8 - F4.0 3.5 - 5.6
Minimum Aperture 22 3.5 22 38
Photo Filter Thread Size 49 millimeters 62 millimeters 72 millimeters 58
Minimum Operating Distance 0.45 meters 0.4 meters 0.22 meters 0.25 meters
Weight 0.5 pounds 0.9 pounds 1.0 pounds 0.5 pounds
Dimension 3.8 x 4.0 x 3.5 inches 3.0 x 3.0 x 2.9 inches 79.0 x 82.0 x 3.5 inches 2.7 x 2.7 x 2.7 inches
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Product Details

  • Product Dimensions: 4 x 3.5 x 3.8 inches ; 7.8 ounces
  • Shipping Weight: 1 pounds (View shipping rates and policies)
  • Shipping: Currently, item can be shipped only within the U.S.
  • ASIN: B00005ABC5
  • Item model number: B00005ABC5
  • Average Customer Review: 4.7 out of 5 stars  See all reviews (106 customer reviews)
  • Date first available at Amazon.com: March 6, 2001

Product Description


The Pentax SMCP-FA 50mm f1.4 lens has a fully automatic diaphragm. At 1.5 inches long and weighing just 7.8 ounces, you can take this 50mm fixed focal length lens with you everywhere. You can use this lens with all Pentax SLR cameras, but the AF system only works with Pentax AF cameras.

Product Description

With extra low dispersion glass and original lens coatings, this lens is superior in contrast, clarity and edge-to-edge sharpness.

Customer Questions & Answers

Customer Reviews

Sharp and clear with very smooth bokeh.
C. D. Adkins
If you can only buy a couple of lenses, I would recommend buying this one and the 50-200mm lens.
Overall I recommend this to anyone with a Pentax DSLR as a great lens to add to your set.

Most Helpful Customer Reviews

101 of 101 people found the following review helpful By P. Tcholakov on August 3, 2006
Despite the plastic outer skin, this is one excellent lens. Its f/1.4 maximum aperture combined with the clean high-ISO performance of Pentax digital SLR's allows you to get some amazing shots without the assistance of a flash, while stopped down a little you can get all the sharpness and detail you want. This lens also produces an amazingly smooth rendition of out-of-focus details (bokeh) which makes it a fabulous portrait lens. An alternative to this lens is the Pentax SMCP-FA 35mm f/2.0 which is closer to the normal perspective on a DSLR.
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74 of 77 people found the following review helpful By C. D. Adkins on November 5, 2006
Honestly, this is the best lens you can get for the money. Sharp and clear with very smooth bokeh. Hands down it outperforms anything in this price range. Further, it is considered by many, including Photodo, to be superior to the equivalent lenses by Canon and Nikon.

In summary, if you have a Pentax, you need to own this lens.
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73 of 79 people found the following review helpful By PRAXIS on August 17, 2007
Verified Purchase
Let me just say that theres a whole other pricepoint for pentax glass and gear than the big houses, just for reference, I'm coming from being a Nikon guy, my film kit got stolen, and so I'm getting into the digital scene fresh....I purchased a K10D, and have been sold ever since....now to the lens in question, the 50mm f/1.4 has been such an eye opening experience (pun?) I paid waaay under $200USD and got a ridiculously awesome prime lens, I had no idea that such quality could be had for such a low price.
Bokeh, I've seen the term used throughout various websites and reviews, and let say that I now know from experience what a creamy, smooth, out of focus backdrop, while your subject "pops" right off of the picture will do for your self esteem in photography. Absolutely lovely.....
Focus, is quick enough, yet I've found it hunts in low, or tricky light situtations....no biggie, if you need fast focusing, you're using another lens anyways.
I'm not going to get all technical on you, all I can say is that if you have been into Pentax for sometime, you already own this lens, if you're just geting into or are considering Pentax, please do, and make this prime a part of your kit.
Nuff' said.
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30 of 31 people found the following review helpful By James Lin VINE VOICE on May 29, 2008
For the price, this lens gives you amazing sharpness, super smooth bokeh, excellent colors, excellent contrast, and a really wide maximum aperture. It's definitely a lens that every Pentaxian should own.

+ The obvious pro is the f/1.4 max aperture. This really comes in handy in low light situations.
+ One less obvious side effect of the f/1.4 aperture is a brighter viewfinder. A lot of newer photographers don't realize that the camera only closes down the iris when you take the photo. The rest of the time, the lens is wide open so faster lenses mean brighter viewfinders.
+ Amazingly sharp at smaller apertures.
+ Works on film and digital bodies.
+ Really smooth bokeh (out of focus area) once you stop down a little (about f/2.8 and up). This helps create photos where your subject really pops out because the background is blurred out so nicely. Some lenses can create harsh and distracting bokeh.
+ Very thin depth of field at f/1.4.
+ Excellent colors and contrast. I was surprised when I compared my kit lens photos to photos taken with the FA 50mm.

- Pretty soft at f/1.4. This might be a desirable effect for portraits though.
- Autofocus is a bit slower than more modern Pentax lenses.
- The very thin depth of field and the general softness of the lens at f/1.4 can make it difficult to create pictures that look like they're in focus.

Compared to the DA 40mm f/2.8 pancake:
* The FA 50mm is bigger, but is still a pretty compact lens. The FA 50mm feels better because it gives you something to cradle when you're holding the camera.
* Both the DA 40mm and the FA 50mm produce excellent color contrast and sharpness, but I think I prefer the rendering of the FA 50mm.
Read more ›
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20 of 20 people found the following review helpful By Kimberly Adamson on January 11, 2008
You might think that having no zoom would be limiting - after having this lens, I think that having a maximum aperture of 3.5 is very possibly more limiting.

With that 1.4 aperture, you get about 4 times more light than you do with the kit lens - that means 4 times faster shutter speeds, and 4 proportionally sharper shots. Combine that with the image stabilization in the K100D and K10, and you have a really awesome low light shooter. You might want to get comfortable with manual focusing - any camera has difficulty focusing when there's not a lot of light, even if it has the ability to get a sharp picture.

The 1.4 aperture means a razor thin depth-of-field, which gives you the ability to very precisely choose what part of the picture is in focus. This is wonderful for portraits, which gives you a smooth, blurred, and distraction-free background, but you have to make sure you are aware of it if you are trying to get objects at varying distances to be in focus.

If it is an issue, though, just turn the dial on your camera over to Av(aperture priority) and you can turn the aperture up to 3.5 for a more normal shot, or down to 1.4 to get that artistically blurred background and super-fast shutter speeds.

This is the best lens to buy in addition to the kit lens, if you are looking to enhance your arsenal and photography skills. You will fall in love with photography, and insist on taking your camera everywhere with you. The fixed focal length will do a lot to hone your creative skills. Sometimes the perspective brings out awesome shots that would've been totally unremarkable at a wider view.
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