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SMC Pentax A Zoom 35-105/3.5 Macro
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PostPosted: Sun Feb 13, 2022 8:19 am    Post subject: SMC Pentax A Zoom 35-105/3.5 Macro Reply with quote

There is no entry for this lens here - only over at Digital Gallery MF:
http://forum.mflenses.com/smc-pentax-a-35-105-3-5-macro-t77346.html

So here are some images from my garden today.
Tom


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PostPosted: Sun Feb 13, 2022 10:49 am    Post subject: Reply with quote

Very nice images, congrats!


PostPosted: Sun Feb 13, 2022 5:22 pm    Post subject: Re: SMC Pentax A Zoom 35-105/3.5 Macro Reply with quote

I like it! Like 1


PostPosted: Sun Feb 13, 2022 9:59 pm    Post subject: Reply with quote

Thanks Fellas.
Here are a few more images taken at the same time.
I was in a monochromatic mood, and the light suited it so they are mostly mono.
Even though it is only f3.5, some nice bokeh can be achieved by using the close up feature and zoom ring together.
Tom


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PostPosted: Sun Feb 13, 2022 10:02 pm    Post subject: Reply with quote

Like 1 Like 1 #5 Sunflower in color I like best. Tones in mono are really good!


PostPosted: Sun Feb 13, 2022 10:45 pm    Post subject: Reply with quote

visualopsins wrote:
Like 1 Like 1 #5 Sunflower in color I like best. Tones in mono are really good!

Thank you - yes the sunflower does show off the lens' sharpness capability.
The light was just right for picking up the subtleties in grey tone - hence so many mono images.
I suppose I should include a picture of the lens, so - here we go
Tom
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PostPosted: Mon Feb 14, 2022 11:09 am    Post subject: Reply with quote

A pretty good lens now, but exceptional for a zoom of that era.


PostPosted: Mon Feb 14, 2022 2:19 pm    Post subject: Reply with quote

I had this lens for a short while. Within the Pentax community this lens is referred to as 'stack of primes'.
I remember it was pretty good, but had to be stopped down a bit in some situations (for CA reasons if I remember correctly). But capable lens (and photographer) as the images show!


PostPosted: Mon Feb 14, 2022 2:22 pm    Post subject: Reply with quote

I have 2 (because my first one turned out to be decentered).


PostPosted: Tue Feb 15, 2022 5:41 am    Post subject: Reply with quote

I have tried 3 copies, all decentered/tilted.

Aside from that, pictures from that lens have a greenish-yellowish tint.

Not worth the hassle.


PostPosted: Tue Feb 15, 2022 6:03 am    Post subject: Reply with quote

Thanks fellas - a good lens for sure.

hasenbein wrote:
I have tried 3 copies, all decentered/tilted.

Aside from that, pictures from that lens have a greenish-yellowish tint.

Not worth the hassle.


I have one copy - it is fine, and has no greenish-yellow tint.


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PostPosted: Tue Feb 15, 2022 6:48 am    Post subject: Reply with quote

hasenbein wrote:
I have tried 3 copies, all decentered/tilted.

Aside from that, pictures from that lens have a greenish-yellowish tint.

Not worth the hassle.


Could be too coincidental -- may be lenses are not the problem. Adapter perhaps. Or camera / camera settings.


PostPosted: Tue Feb 15, 2022 7:43 am    Post subject: Reply with quote

Mine is fine too, no problems with decentering or odd colour casts. It has gone a bit stiff with age (haven't we all!) which I assume a clean and relube would solve.

K.


PostPosted: Tue Feb 15, 2022 9:39 am    Post subject: Reply with quote

visualopsins wrote:
hasenbein wrote:
I have tried 3 copies, all decentered/tilted.

Aside from that, pictures from that lens have a greenish-yellowish tint.

Not worth the hassle.


Could be too coincidental -- may be lenses are not the problem. Adapter perhaps. Or camera / camera settings.


It could be. For example, on Sony A7 my (not really adored) K mount RMC II Tokina 24mm lens wouldn't attach properly to Fotga adapter. It did attach to standard K&F adapter but it had very visible decentering effect (on Pentax cameras it didn't). When I bought newer K&F "Pro" adapter it worked perfectly on it, no visible decentering even after images being checked thoroughly. On the other hand other lenses worked fine on either adapter. Maybe these A series lenses differ slightly from the older series with their rear end and the adapter was designed not taking that into account. That the Tokina was built with different tolerances shouldn't be a surprise I suppose, after all it worked fine on the cameras it was designed for.


PostPosted: Wed Feb 16, 2022 8:46 am    Post subject: Reply with quote

The sun caught this canna lily late this afternoon, and I could not resist another shot with this lens.
Taken at about f8 if I remember correctly
Tom


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PostPosted: Thu Feb 17, 2022 10:45 am    Post subject: Reply with quote

I notice there's one on the bay for sale. Is it someone's from this forum?


PostPosted: Thu Feb 17, 2022 11:00 am    Post subject: Reply with quote

Here is another image of the same flower as yesterday, but taken this evening.
The light was different and I have taken it from a different angle, and some more of the buds have opened.
Also, I sensed that I moved slightly when I took it as there was a small breeze....
Anyway enough excuses, I don't think it is as sharp as the previous image but close.............
Tom

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PostPosted: Thu Feb 17, 2022 4:52 pm    Post subject: Reply with quote

Those lady slipper type flowers are prone to nodding in even the lightest trace of a breeze, and a challenge to photograph.
Flash helps some, but I prefer the long sunrays of early morning/late evening myself.
This is where a m/f lens has it over auto focus.
Early spring is a good time for stems that are still fairly strong, and opening buds.
Hard to believe, but it's just 90 some odd days away for us here- where it's currently minus 31C.
You still have some good detail on those petals.

-D.S.