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SMC Pentax-A* 1:4 300mm

 
 
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Spotmatic



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Joined: 18 Aug 2008
Posts: 4064
Location: Netherlands


PostPosted: Tue Jan 24, 2012 5:42 pm    Post subject: SMC Pentax-A* 1:4 300mm Reply with quote

Just received a mint copy of the SMC Pentax-A* 1:4 300mm, exchanged for my SMC Pentax-DA* 55mm f/1.4 SDM. Yes, I swapped an AF lens for a MF lens Cool

It does not feature ED glass, but from what I've seen on the web it's very good optically. And apart from the big front element it's actually quite short, so it easily fits in my normal photo bag.


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Peter - Moderator

Pentax K-5 + Pentax 645 + Canon 5D + Bessa RF 10,5cm Heliar, and a 'little' bag full of MF lenses. The lens list is * here *.
My fast 80s: Asahi-Kogaku Takumar 83mm f/1.9 - Super-Takumar 85mm f/1.9 - FA 77mm f/1.8 Limited - Cyclop 85/1.5 (Helios-40 innards) - Komura 80mm f/1.8 - Meyer Görlitz Primoplan 7,5cm 1:1.9 - Carl Zeiss Jena 80mm f/1.8 Pancolar - Canon 85mm f/1.8 S.S.C. - Canon 85mm f/1.2 S.S.C. Aspherical
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Laurence



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Joined: 26 Mar 2007
Posts: 4796
Location: Western Washington State

Expire: 2016-06-19

PostPosted: Tue Jan 24, 2012 7:48 pm    Post subject: Reply with quote

I've actually seen an enlarged image taken with the 300/4 at a library show. The image
was pretty large, and yet the crispness was TRULY evident, even in the corners. I hope
this lens gives you the same results. Would love to hear and see how it works for you. Smile
_________________

I ’LL tell you how the sun rose,—
A ribbon at a time.
The steeples swam in amethyst,
The news like squirrels ran.

Emily Dickinson - Nature


Cameras and Lenses in Use:


Yashica Mat 124 w/ Yashinon 80/3.5,

CV Apo-Lanthar 90/3.5SL, (Thank you Klaus),

Pentax 645,
Flek 50,
Pentax-A 150

Voigtlander Vitomatic I

Konica TC and zoom lenses (thanks Carsten)

Contax AX
Yashica ML 50:2
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Spotmatic



Level 4

Joined: 18 Aug 2008
Posts: 4064
Location: Netherlands


PostPosted: Tue Jan 24, 2012 8:12 pm    Post subject: Reply with quote

Thanks Laurence! Are you sure it was the K-mount version of this lens? There is also the A* 645 300mm f/4 so I'll ask you just in case Smile
_________________
Peter - Moderator

Pentax K-5 + Pentax 645 + Canon 5D + Bessa RF 10,5cm Heliar, and a 'little' bag full of MF lenses. The lens list is * here *.
My fast 80s: Asahi-Kogaku Takumar 83mm f/1.9 - Super-Takumar 85mm f/1.9 - FA 77mm f/1.8 Limited - Cyclop 85/1.5 (Helios-40 innards) - Komura 80mm f/1.8 - Meyer Görlitz Primoplan 7,5cm 1:1.9 - Carl Zeiss Jena 80mm f/1.8 Pancolar - Canon 85mm f/1.8 S.S.C. - Canon 85mm f/1.2 S.S.C. Aspherical
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Attila



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Joined: 24 Feb 2007
Posts: 57329
Location: Austria,Hungary

Expire: 2016-11-18

PostPosted: Tue Jan 24, 2012 9:28 pm    Post subject: Reply with quote

Congrats! Great design , very short and seems not so heavy also.
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35mm: Konica A4, Konica IIIA, Konica FC-1
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luisalegria



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Joined: 07 Mar 2008
Posts: 5286
Location: San Francisco, USA

Expire: 2015-05-17

PostPosted: Tue Jan 24, 2012 10:06 pm    Post subject: Reply with quote

Very, very small for the spec.
Not cheap either, sadly for me.
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I like Pentax DSLR's, Exaktas, M42 bodies of all kinds, strange and cheap Japanese lenses, and am dabbling in medium format/Speed Graphic work.
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Spotmatic



Level 4

Joined: 18 Aug 2008
Posts: 4064
Location: Netherlands


PostPosted: Tue Jan 24, 2012 10:43 pm    Post subject: Reply with quote

Thanks!

BTW, Pentax never claimed it but based on the star designation and its very short design I and a few others suspect that the lens actually uses ED elements. It's also fairly unresponsive to CA and PF. What do you think?
_________________
Peter - Moderator

Pentax K-5 + Pentax 645 + Canon 5D + Bessa RF 10,5cm Heliar, and a 'little' bag full of MF lenses. The lens list is * here *.
My fast 80s: Asahi-Kogaku Takumar 83mm f/1.9 - Super-Takumar 85mm f/1.9 - FA 77mm f/1.8 Limited - Cyclop 85/1.5 (Helios-40 innards) - Komura 80mm f/1.8 - Meyer Görlitz Primoplan 7,5cm 1:1.9 - Carl Zeiss Jena 80mm f/1.8 Pancolar - Canon 85mm f/1.8 S.S.C. - Canon 85mm f/1.2 S.S.C. Aspherical
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Laurence



Level 4

Joined: 26 Mar 2007
Posts: 4796
Location: Western Washington State

Expire: 2016-06-19

PostPosted: Tue Jan 24, 2012 10:57 pm    Post subject: Reply with quote

Spotmatic wrote:
Thanks Laurence! Are you sure it was the K-mount version of this lens? There is also the A* 645 300mm f/4 so I'll ask you just in case Smile


He was using it on one of the Pentax DSLRs...I THINK it was a K5 model, a fairly new model.

Larry
_________________

I ’LL tell you how the sun rose,—
A ribbon at a time.
The steeples swam in amethyst,
The news like squirrels ran.

Emily Dickinson - Nature


Cameras and Lenses in Use:


Yashica Mat 124 w/ Yashinon 80/3.5,

CV Apo-Lanthar 90/3.5SL, (Thank you Klaus),

Pentax 645,
Flek 50,
Pentax-A 150

Voigtlander Vitomatic I

Konica TC and zoom lenses (thanks Carsten)

Contax AX
Yashica ML 50:2
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Willem



Level 2

Joined: 08 Jun 2011
Posts: 286
Location: Netherlands


PostPosted: Wed Jan 25, 2012 6:22 am    Post subject: Reply with quote

Go out and use it! This is quite a rare lens, am i right?
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www.willemvs.wordpress.com

Canon EOS 500D, Canon Powershot SX10IS, 2 x Asahi Pentax spotmatic F, iPod touch


AF lenses:
Canon 18-55 kit lens, Canon 1.8/50mm, Canon EF 85 1.8 USM, Canon EF-S 10-22

MF lenses:
SMC Takumar 1.8/55 (2x)
S-M-C Takumars 3.5/24, 3.5/28, 3.5/35, 4/50 Macro, 4/100 Macro, 2.5/135 (v2), 4/200

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Spotmatic



Level 4

Joined: 18 Aug 2008
Posts: 4064
Location: Netherlands


PostPosted: Wed Jan 25, 2012 6:48 am    Post subject: Reply with quote

Of course I will use it, thank you! Smile

It's not super common, but not super rare either. There are a few on eBay at the moment, mostly by the usual "golddigger shops".
_________________
Peter - Moderator

Pentax K-5 + Pentax 645 + Canon 5D + Bessa RF 10,5cm Heliar, and a 'little' bag full of MF lenses. The lens list is * here *.
My fast 80s: Asahi-Kogaku Takumar 83mm f/1.9 - Super-Takumar 85mm f/1.9 - FA 77mm f/1.8 Limited - Cyclop 85/1.5 (Helios-40 innards) - Komura 80mm f/1.8 - Meyer Görlitz Primoplan 7,5cm 1:1.9 - Carl Zeiss Jena 80mm f/1.8 Pancolar - Canon 85mm f/1.8 S.S.C. - Canon 85mm f/1.2 S.S.C. Aspherical
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Spotmatic



Level 4

Joined: 18 Aug 2008
Posts: 4064
Location: Netherlands


PostPosted: Wed Jan 25, 2012 7:02 am    Post subject: Reply with quote

BTW, based on this PDF documentation (with lots of K-mount lenses) the M* and A* 300mm f/4 really featured ED glass. In the case of the A* it's even part of the name as shown.

http://fockert.xs4all.nl/~pentax/catalog/05_Objectieven_Filters_Adapters.pdf
_________________
Peter - Moderator

Pentax K-5 + Pentax 645 + Canon 5D + Bessa RF 10,5cm Heliar, and a 'little' bag full of MF lenses. The lens list is * here *.
My fast 80s: Asahi-Kogaku Takumar 83mm f/1.9 - Super-Takumar 85mm f/1.9 - FA 77mm f/1.8 Limited - Cyclop 85/1.5 (Helios-40 innards) - Komura 80mm f/1.8 - Meyer Görlitz Primoplan 7,5cm 1:1.9 - Carl Zeiss Jena 80mm f/1.8 Pancolar - Canon 85mm f/1.8 S.S.C. - Canon 85mm f/1.2 S.S.C. Aspherical
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