Specification
Product Details
- Brand: Pentax
- Model: 27980
- Dimensions: 1.90" h x
1.90" w x
2.50" l,
.59 pounds
Features
- Telephoto lens
- Fully automatic diaphragm
- Minimum focus distance of 2.3 feet
- 31.5 degree angle of view
- Built-in lens hood
Product Description
The Pentax SMC P-FA 77mm F1.8 limited is a versatile, high-resolution short telephoto lens of exceptional optical quality. It is specifically designed for portrait photography and accurately reproduces the tones, colors and texture of the subject's skin, clothes and accessories as well as assuring an excellent rendering of highlight and out of focus areas. It also features Pentax's exclusive FREE (Fixed Rear Element Extension) focusing system to ensure sharp, crisp image reproduction over the entire focusing range.
- Construction 6 Groups/7 Elements
- Angle of view 31.5 degrees
- F stop range f/1.8-22
- Closest Focusing Distance 2.3 ft. (0.7m)
- Maximum Magnification 1:7
- Filter Size 49mm
- Dimensions (Length x Diameter) 1.9" x 2.5" (48mm x 64mm)
- Weight 9.5 oz. (270g)
- Maximum Shift: 20mm: Click-Stops at one millimeter intervals
- Lens Rotation: 360 degrees; Click-Stops at 30 degree intervals
- Diaphragm: Manual (Inner Bayonet Mount)
Customer Reviews
Most helpful customer reviews
22 of 25 people found the following review helpful.
Exciting lens with amazing bokeh. Overpriced
By 6x9
This is really an amazing lens with "retro" design. It comes with a nice leather bag. The lens feels great in hands, operation is smooth. I liked also the built-in retracting hood. The original cap is metal (as seen in some old lenses) and it sits on the hood itself (not on the front part of the lens, as usually). But there is absolutely no problem in using filters with this lens. Even if you put a screw-in filter of a standard thickness, the cap is long enougth to attach safely to the hood.The large maximum aperture allows you shooting indoors with available light.The bokeh of this lens is absolutely gorgeous. You have to see it! An excellent lens for head portraits. And it is good for 35 mm format too.I did not give 5 stars to this product mainly because the lens I have received had (and still has) a "bug". The aperture shape is visibly far from ideal at f/22 and this imperfection can still be seen at f/16. Ok, I know that this is not really affecting the image quality, and I will hardly ever shoot at f/22 or even at f/16. But I was disappointed to see such problem in the prime product. Well, the price tag certainly sets yout expectations high.What I do not know for sure, if this was a manufacturing defect, or something went wrong during shipping. But in either case it is not good.I prefer to buy lenses in stores for this reason, at least it is possible to see/check before buying. But I had no choice in this case.Another observation (much less important to me) is purple fringing in high contract situations when shooting at large apertures. It is only visible from wide open till f/3.5 in most cases. I can live easily with this.The lens focuses rather slowly (but acurately) with both my K10D and *istDs.My opinion (whatever other people may say) is that the lens is quite overpriced.And the last comment... Could be good if Pentax include a sort of "certificate of authenticity " with their Limited lenses. Not just the standard S/N card. The same goes to the manual, which shows the FA 50 mm lens on the cover page. It is a small thing, but when selling prime products the company should pay attention to such small things.Thanks for reading!UPD: Purple fringing may be more pronounced in some situations. I have noticed a significant amount of it when shooting even at f/5.6. In most cases those are reflections from flash.
5 of 5 people found the following review helpful.
A little marvel
By P. Ferreira
I have owned this lens for a bit more than a year now. And I have to say that it is my favourite Pentax lens. (I own all three of the FA Limiteds .) Superb colour, outstanding bokeh and sharpness that competes with the very best. (Certainly sharper than the Zeiss 85mm 1.4 ZK which I briefly owned. It is only outdone by my Zeiss 100mm f2 Makro Planar--a lens that is twice the size and twice the price.)While it is true that there is slight colour fringing when shot wide open, you will rarely notice this. The overall colour rendition is superb; the bokeh (at f1.8) is beautiful; and, unlike some 'fast' lenses, there is accurate focusing with no apparent 'focus shift' when stopped down.Its rugged construction, small size and superb performance make it an ideal mate with both Pentax aps-c cameras and film. (I regularly use this lens on my Pentax MX .) The only complaint that I have is that the metal lens cap is useless with filters. (I simply use a plastic snap on.) And, while I didn't like it at first, the integrated pull-out hood really is convenient.The price on this lens has been steadily climbing, and there are questions of its future availability. I have heard (though I don't have direct experience) that it significantly outperforms the 70mm f2.4 Limited (aps-c only). My advice: buy a 77mm limited while you still can. You won't regret it.
3 of 3 people found the following review helpful.Not 100% perfect, but ultimately, it's the end result which counts, and that, my friends, is really very very good.
By Adrian
This lens feels like a REAL lens. Not a lens made to a budget. It feels solid, paintwork is excellent, lenscap has felt lining on inside, lens bag is leather and best of all, it is small and light, especially compared to f1.4 lenses, which are 1 stop down. So far, I have not felt being f1.8 instead of f1.4 has been any handicap at all. Perhaps I am still too inexperienced, but combining this lens, with the latest generation of Pentax dslr's with the Sony sensor, is a killer combination.The Good:- solid build- metal.- beautiful glass- beautiful photos- sharp, the colour looks right, bokeh excellent. I feel photos that I take just seem to naturally look great with this lens. It's like I hardly have to make any effort at all.- small size and lightness make it easy to carry and swop with other lenses. eg I have a Sigma 30mm f1.4, which is twice the size and weight, yet looks more el cheapo. (results for the 30mm f1.4 are pretty good too, but that's another story :) )- built in lens hood. This may or may not be a pro or con depending on your point of view. It feels well made though.- looks beautiful attached to my K-5.The Cons:- price- AF- does not focus as quickly or quietly as I would have expected for this price. Certainly not Canon USM quietness or speed. Still, I can AF accurately 99% or the time.- lens cap. Does not click into interior screw thread on lens like normal lens caps, but instead you have to pull out the lens hood, then press the lens cap over it- stays on by snug fit and suction. This is very important to know because if you have a filter on, the lens cap will not stay in place. You must pull out the hood first, before putting the cap on.
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