Thanks for the info Bill, I'm looking forward to using the 77.  On the
85 side, I have an older FA85 1.4 that I got for a bargain price in
the bad old days of ebay.  Its a heavy lens, but I heard the new one
is really a beast.  Mine is so razor sharp I just can't imagine a
sharper lens to be honest. I guess I just got lucky.

On Fri, Aug 20, 2021 at 12:55 PM Bill <anotherdrunken...@gmail.com> wrote:
>
> On 8/20/2021 11:21 AM, Gonz wrote:
> > Going on a trip up to Maine in a couple of weeks.  Been lusting over
> > the 77 for years, maybe decades.  I've had the 31 for a few years and
> > love it.  Figured I could take both as a lightish weight kit on my
> > trip.  Apparently they're making a new 77 now, "HD".  Anyone have any
> > experience with these newer models?  Any comparisons with the older
> > limiteds?
> >
> >
> >
>
> No personal experience, but they've updated the coatings and I believe
> they have rounded the aperture blades somewhat.
>
> I expect it's purple fringing when wide open is about the same as the
> original model, I don't think that is something that can be cured with a
> coatings update.
>
> The 77 is still a much loved lens and gives very good image quality most
> of the time, though it has now been much superseded by the D FA* 85/1.4
> in several categories, image quality, size and price are the ones that
> come to mind.
>
> Expect the new version to be similar in most regards, and perhaps
> somewhat better in a few metrics, those being the ones where rounded
> aperture blades are better than straight ones.
>
> I'm not sure if this is true, but my understanding is that the coating
> update had as much to do with economics as anything else. By updating
> the lens to HD coatings, they are standardizing on a more modern coating
> strategy for all their lenses, not because the HD coatings are night and
> day better than the older SMC process, which is already excellent.
>
> The SMC 77 that I have handles flare better than just about any lens I
> have used. It is quite difficult to ruin a shot with flare with the 77,
> so if the HD coatings are in improvement, it's going to be incremental,
> and making what is very good indeed a tiny bit better.
>
> I expect if you dig around on Pentax Forums a bit, you will probably
> find a few direct comparisons between the two. There are a number of
> people there who spend quite a bit of effort making the type of
> comparisons you will find helpful.
>
> I'm keeping my 77 for when I get too frail to carry the 85/1.4. I hope
> the mechanics of it haven't frozen by then, as my intent is to not
> become that frail for half a dozen decades.
>
> bill
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