The Minolta AF 50mm F/1.7 is a very compact lens, the smallest Minolta made in the day.  This particular lens is a restyled version from the 1990s.  It's a "kit" type lens, and feels like it, meaning super light-weight.  It doesn't feel nearly as nice as the Sony 50mm F/1.4 lens, which costs over double the price of this one.  Fit and finish are good, but plastic is used for everything but the glass it seems.  It has a rather shiny black finish with rubber grip areas around the barrel and focus rings, and also sports a nifty built-in hood, which works by pulling on the plastic barrel around the front after you turn the focus to close-in, which allows you to grab it.  The 28mm F/2.8 lens has the same feature.  On top it has a focus distance window with ft/m in white, along with DOF hash marks.  The lens is made in Japan.  Filter size is 49mm. 
Focusing.  The little Minolta AF 50mm F/1.7 has a short focus throw, and auto-focuses quickly and accurately.  Manual focusing is easy, and quick too, with a 1/4 turn from close-in to infinity.  This lens has a sticky focus ring when near close focus, and from what I've been told from other sources, is a common problem.  I think it has something to do with the built-in hood tolerances.  Most people probably won't be manually focusing with this lens anyways, so it's not a deal killer.
Multi-coatings.  It has the older Magenta/blue look.  See comparison shot above.
Flare/ghosting.  Flare, or veiling glare is similar to the Sony 50mm F/1.4, which is good, but watch the sun when it's real close to, but not in the image.  This lens has an odd, blue looking ghost, like half of a 7 blade aperture that shows up opposite of the sun when the sun is at the edge of, or in the image.  It's large and will mess up your shot, so pay attention.  The ghosting control is not as good as the Sony 50mm F/1.4.  This Minolta lens has a very small built-in lens hood that you slide out from around the front element, as described, and seen above, but it doesn't do anything.  Use your hand for keeping the sun out of the shot if possible.
Filter size, 49mm.  Sony uses this size on the 28mm F/2.8 only. 
Filter use.  No noticeable additional vignetting using a regular filter.
Coma.  Strong at F/1.7, good at F/2.5, gone by F/2.8
Color looks the same as other Sony/Minolta lenses. 
Close-up filter.  works great, tested with a +4.  
Bokeh is neutral to just so-so in my opinion.  Not as good as the Sony 50mm F/1.4, see comps below.
Color fringing is light and poses no problems, it looks better wide open than the Sony 50mm F/1.4 does, but from F/1.7 and down, it's about the same.


Product ($149)
SN: ***0301
Condition: Excellent (EX)
Warranty: 2 weeks shop warranty, covering manufactural defects  

 What You Will Get
 - Front/ Rear Cap



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Minolta MA AF 50mm F1.7 (used)


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