Pentax A SMC 28mm f/2.8 : Specifications and Opinions

Reviews

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The following opinions have been automatically translated with Google Translate.

Riky96

sent on 18 Dicembre 2021

Pros: Sharpness, lightness, brightness sensation during use, presence of the diaphragm ring, presence of the hyperfocal scale

Cons: Manual focusing not always very easy without frosted slide, some purple fringing

Opinion: Lens of another era that does not disfigure in the slightest in the face of moving technologies. Mechanically perfect although it has plastic parts, sharp from f5.6 on the whole frame, good color rendering. I use it for landscaping and portraits on apsc, in some cases it has a great blur if the background lends itself. For the price it has I would say a must have. In the backlight it has no obvious flares. Rating 8.5

EDstrg

sent on 19 Agosto 2018

Pros: Sharpness, bright, compact and light

Cons: On APS-C remains a bit ' short, sometimes tends to have magenta reflexes (while still a lens 30 and more years ago...)

Opinion: Using mainly manual focus is one of the lenses I use and I love the most; It is found at human prices and has a more than good quality even on very dense sensors (I use it mainly on a K3) while the focus ring turns well and is very precise. It is light and even in a bag it does not occupy that much space. On certain occasions of light tends to have magenta reflexes but with a lens hood you can usually avoid them. Recommended to anyone who has a Pentax DSLR since putting the ring nut in position a you can get full control of the automatisms.

Lgjo90

sent on 28 Dicembre 2016

Pros: Sharpness, good brightness, build quality, color

Cons: For the price no one

Opinion: Bought on ebay for 50 euro, is very good perspective in terms of sharpness (also 2.8) and colors, balanced and beautiful to vedere.rnLa construction is very good, the impression of a lens hold solid and metallic ; the same applies to the aperture ring, fluid and precisa.rnSu Pentax SLR can be used in robotics, specifically iris control of the car and the confirmation of set-fuoco.rnOttica fixed absolutely recommended for both aps-c for both full-frame ( Pentax K1).

Stefano Banda

sent on 27 Ottobre 2016

Pros: Sharpness even at f / 2.8, ability to use aperture priority via camera, made of very natural colors, sturdy construction

Cons: On APS-C becomes a focal almost standard, you have to learn (or relearn) the manual focus

Opinion: I have kept this lens since the film (I bought it in 1986), and today I understand that I did bene.rnTanto glass and metal, smooth and extremely precise ferrules, metal coupling, scale pdc; all things unknown to modern analogues objectives (at least those from the price "human") that leave you the impression of a test object bomba.rnLa made then is truly remarkable. Crisp even at full aperture, and with very few aberrations, except in very strong contrasts and still be eliminated in an instant. The colors are rendered in a very natural way, with a slight tendency to the warm tones that I personally do not mind at all. Also, something to be reckoned with, putting the aperture ring to the "A" you can adjust the aperture directly from the camera, even at 1/3 stop intervals, which allows you to concentrate on the composition scatto.rnSul APS -C becomes a 42 mm but, despite losing the wide angle of view, it is more difficult to remove the subject from the background because it keeps pur always a 28 mm optical structure and consequently a large pdc.rnCerto, forces you to brush up (or find out) the manual focus, which can give a headache to those born "photographically" with the digital and the ' autofocus, but for those who grew up with the rollers, use this view it is a treat, and can make the happiness of the holders of the new Pentax K-1.

Nixo

sent on 06 Ottobre 2014

Pros: Focal "normal" on Aps-c, manual or automatic aperture ring, focus, ability to be used as a macro lens statement.

Cons: None in particular, if you really want to nitpick some chromatic aberration in borderline cases (not forgetting that this is a vintage lens ...), bokeh sometimes a bit 'nervous.

Opinion: Objective format that used in Aps-c is a normal good for me for landscapes, street, shots every day, and within view of the good photographs luminosità.rnQualche chromatic aberration in difficult light conditions, nothing to worry about, however, all easily correctable in PP.rnBokeh when shooting close-up is not just great, but I do not think what you are looking for a 28mm ... rnNon least, given the possibility to use the aperture ring in the manual, can be mounted inverted (thanks to a reverse macro ring, which costs a few euros), really pushed for macro magnification over 2x.

Matte_97

sent on 06 Ottobre 2014

Pros: Sharpness, diaphragm, cost

Cons: On APS-C the 28mm is a little cramped

Opinion: The Pentax 28mm f2.8 wide angle lens is very sharp, I've won in a flea market for twenty euro and I found a great goal, I recommend it to those who want to try vintage lens. Due to its wide aperture (f2.8) lets you shoot even when the light starts to dwindle.