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Pentax Objectif 55mm f/1,4 SDM pour Appareil photo num érique
|Prix conseillé :||EUR 929,00|
|Prix :||EUR 720,90 LIVRAISON GRATUITE Détails|
|Économisez :||EUR 208,10 (22%)|
|Tous les prix incluent la TVA.|
- Ouverture maximum : mm
- Ouverture focale minimum : 55 mm
- Ouverture focale maximum : 55 mm
- Stabilisation d'image : non
|Nos prix incluent l'éco-participation sur tous les produits concernés. Vous voulez recycler votre appareil électrique ou électronique gratuitement ? En savoir plus ici.
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Descriptions du produit
Accessoires inclus:Paresoleil d'objectif, housse, cache-poussière, capuchon pour objectif, Distance focale:55 mm, Ouverture minimum:F/22, Angle maxi:28.6 degrés, Distance focale équivalente à celle d'un appareil 35 mm:84.5mm, Structure de l'objectif:8 groupes / 9 éléments, Grossissement:0.17, Caractéristiques:Verre ED, Lames de diaphragme:9, Type:Objectif, Ouverture de l'objectif:F/1.4, Conçu pour:Appareil photo SLR 35 mm, SLR numérique, Type de montage:Pentax KAF3, Réglage de la mise au point:Automatique, manuel, Réglage du zoom:Manuel, Taille du filtre:58 mm, Distance de mise au point minimum:45 cm
Commentaires en ligne
Meilleurs commentaires des clients
Commentaires client les plus utiles sur Amazon.com (beta)
This lens is designed to be a portrait lens and to take the place of the FA *85mm f1.4 lens. It is designed, as are all of the DA * lenses, with an in lens motor and with weather sealing. There is no aperture ring. Construction feels solid. This is a fairly heavy lens, compared to the DA limiteds and the FA 50mm f1.4.
The image quality is excellent. Very sharp from f2 on and reasonably sharp at f1.4. This is a significant difference from the FA 50, which I always felt was relatively soft up till about f2.8. Bokeh is a little busy wide open, but seems to get very nice from f2 on. Out of focus highlights are all circular, with no hexagons or octagons. Lens is very flare resistant, with or with out the lens hood.
Auto focus is the biggest weakness of this lens. It has a very long focus throw and often takes awhile to get where it is going. I don't mind it in portrait situations, but certainly this is not a lens that would work well for sporting events.
The weather sealing works well. I have used the lens in a variety of out doors situations, most recently skiing without any problems.
The Pentax SMCP-FA 50mm f/1.4 Lens is a very nice lens, smaller, lighter and quite a bit cheaper. However I would recommend the DA *55 over it for those who want (a) to be able to shoot f1.4 without losing a lot of sharpness, (b) for those who need quieter auto focus than screw drive allows, and (c) for those who need weather sealing.
Edit: Just a little up date. I have been using this lens for a year and a half and love it even more than when I first acquired it. Its sweet spot is f2 to f2.8. SDM has not been an issue. Focal length is just perfect for portraiture on APS-C. After this length of time, I would give it six stars if I could!
After just 2 days of use, the SDM failed... Meaning I had no autofocus... I had assumed that by now (Feb 2011), Pentax had fixed all the SDM problems I've been reading about... I guess I was wrong. I was furious but thankfully Amazon customer service were amazing and the next day I had a new replacement copy on my doorstep. Great, I was thinking, until I started using the second lens and realized it had it's own problems... Lens no.2 suffered extreme back-focus issues. When focusing on someone's eyes at f/1.4, the eyes would be out of focus and their ears would be sharp, Very dissapointing. Luckily my camera (K-7) has an option for AF Micro Adjustment, So with a setting of +9 I was able to correct for the backfocus. If not for the K-7's feature I would have had to send the second lens back, too.
Still waiting to see is the SDM holds up on this one but hopefully it'll be fine. Apart from the issues the lens is very very sharp. Suffers from some CA in bright light and if shooting into the sun expect a lot of flare, but nothing that's not to be expected, the included lens hood does a great job.
I highly recommend this for anyone wanting to experience the minimalist pleasures of a prime lens. That is, if you're willing to shell out for the SMC DA's amazingly quiet motor and superior build quality as compared with it's less glamorous brother, the 50mm f/1.4. Believe me, after trying both, the SMC DA* is worth the expense, and it capably delivers absolutely gorgeous image quality in the right hands. Five stars all the way, and kudos to Pentax.