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PostPosted: Sun Aug 20, 2023 5:09 pm    Post subject: Reply with quote
Doc Sharptail wrote:
Interesting lens!

Back in my F3/MD-4 days, I had to use at least a 2" wide strap with a full battery pack~ and it still cut off circulation on the back of my neck. However Wink , it provided a solid base for some slow shutter speeds hand-held with the A/I 200 f 4. I do remember getting away with about 1/60 on a single memorable occasion. Not sure I have enough upper body strength to get away with that today.

Do show some imagery with that 105. It's got a look all it's own.

-D.S.


Yeah, these cameras are heavy. Nothing for hiking and running around in the mountains ... that's why I did appreciate the (lightweight) Minolta 9000 so much. Sturdy body, professional features (AF, flash contral, 1/4000s, ...), but just 645 g!

I have shown a few images taken with the Nikkor 1.8/105mm here in my thread about the Lucerne Carneval:
http://forum.mflenses.com/viewtopic.php?t=84331

All images at f1.8.

S


PostPosted: Fri Sep 01, 2023 7:03 pm    Post subject: Reply with quote
Uncommon Konica Autoreflex with the equally uncommon "half frame" zoom Konica AR 3.5/47-100mm:



Probably the only SLR which supports both "half frame" (18x24mm) and "full frame" (14x36mm) shooting. Note the corresponding switch on top of the body!

Here's another view:



S


PostPosted: Sat Sep 02, 2023 8:44 pm    Post subject: Reply with quote
stevemark wrote:
Uncommon Konica Autoreflex with the equally uncommon "half frame" zoom Konica AR 3.5/47-100mm:
S


That sure has an intriguing look.

Wonder how F/L is determined on "full-frame" (if it will work) with that lens.

-D.S.


PostPosted: Sat Sep 09, 2023 7:24 pm    Post subject: Reply with quote
Here are a few more Mamiya images.

I just got one of those incredibly rare Sekor E 4/300mm lenses (mine has S/N 10067, thus probably #67 produced). Since I already had the (less rare) Sekor CS 4/300mm we could put both of them on one picture. Probably the only image in the entire internet showing these two lenses together Wink, and the only image I'm aware of with both the ZE-X multimode SLR plus Sekor E 4/300mm!



Here's another image of two really rare lenses. On the left we have the Sekor CS 3.5/45-90mm normal zoom, a lens that was abandoned quickly, probably due to a flawed construction: an internal light baffling dissolves into a tar-like mess, which in turn makes the lens pretty much useless. Very few were produced, and even less have survived. Mine has SN 10051, and I'm aware of another one with SN 10089.

On the right we have the beautiful Mamiya ZE-X multimode SLR again (plus winder), and the lens is an equally rare Mamiya Sekor E 3.5-4.3/35-105mm zoom. This lens has a SN 10100 - probably the 100st lens produced. While size, weight and lens speed would suggest that it is a simple clone of the Tamron 3.5-4.3/35-105mm, it is not: Not only does the Mamiya's number of lenses and elements not fit the Tokina's, but also the reflections on the glass surfaces are completely different. The Osawa 3.5-4.5/35-105mm must be a different beast as well, since it is a [13/11] computation while the Mamyia E is [15/13]. It seems that the Sekor E 35-105mm was a genuine Mamiya lens which - along with the pretty rare Sekor "new" E 4/80-200mm zoom - would have played a major role in the Mamiya lineup ... if Mamiya would have continued its 35mm SLR business!



Finally another image showing the ZM camera with the Sekor E 3.5/28-50mm and 3.8/80-200mm zoom lenses, plus the E 4/300mm tele prime lens. The Mamyia 28-50mm is a small and decent wide-to-normal zoom which has a nice and sturdy full metal barrel (unlike the Canon nFD 28-55mm!).



I hope u enjoy the images of these not-so-common SLRs, equipped with a few really rare lenses!
S


PostPosted: Sun Sep 10, 2023 6:54 am    Post subject: Reply with quote
Some interesting lenses there.

My very limited experience with Mamiya was all medium format (C-220, C-330, RB 67), and most of the glass was impeccable, especially the RB.
The "LOOK" of their fast 50's for 35mm film was something else, with the magenta appearance coatings being very eye catching.
This would have been right around the time that quartz regulated timing systems were all the rage, and I mostly looked from afar. I often wonder how much of their medium format glass experience "trickled down" to the 35mm format.

-D.S.


PostPosted: Sun Sep 10, 2023 11:30 am    Post subject: Reply with quote
Doc Sharptail wrote:
Some interesting lenses there.

My very limited experience with Mamiya was all medium format (C-220, C-330, RB 67), and most of the glass was impeccable,
...
I often wonder how much of their medium format glass experience "trickled down" to the 35mm format.

-D.S.

Some of the 1960s normal lenses for 35mm are excellent (e. g. the Sekor 2/50mm and some versions of the 1.8/55mm). Especially the M42 2/50mm has nearly no CAs when stopped down to f5.6, thus resulting in extremely clear and "lucid" colors. Occasionally I have been using that lens on my Sony A900 SLR when hiking in the mountains, and the results were excellent. Some other M42 Mamiya lenses - e. g. the SX 2.8/28mm and the SX 2.8/135mm - are among the best, very close to the corresponding Zeiss CY glass (tested side-by-side).

Later lenses (CS and E/EF bayonet mount) often are so-so (not bad at all, but not top notch either). In addition there's visible copy-to-copy variation (tested with 10 Sekor E 1.7/50mm and ten Sekor E 3.5/135mm). Corresponding Minolta MD lenses simply don't have such problems. Especially the CS lenses were designed to be simultaneously very lightweight and pretty fast (2.8/21mm at 230g, 2.8/28 at 170g, 2.8/35 at 150g, 1.4/50 at 205g, 2.8/135 at 310g, 3.5/200 at 490g and 4/300 at 785g). This of course had an influence on their perfomance. While the CS tele lenses are surprisongly sharp, they also have a lot of CAs.

While the lens section of some Sekor CS lenses (for 35mm SLRs) is pretty similar to the corresponding Sekor C lenses for the Mamiya 645 (e. g. CS 2.8/21 vs C 3.5/35 or CS /EF 2.8/28 vs C2.8/45 Var II), other Sekor C lenses are much more sophisticated than their CS counterparts (e. g. CS 2.8/35 has six lenses, while the corresponding Sekor C 2.8/55mm has a whopping nine lenses).

The later (1990s) medium format lenses for the 645 and RZ as well as for the Mamiya 6 and Mamiya 7 are another class. Many are extremely well corrected, and still highly regarded.

S


PostPosted: Sun Sep 17, 2023 8:57 pm    Post subject: Reply with quote
An image I just found in my archives, taken in 2011 for the "Sony Fotospiegel". Sony Alpha 900 plus Zeiss ZA 2.8/16-35mm (left) and Minolta Dynax 9 plus Zeiss ZA 2/24mm (right). A combination of cameras and lenses you won't see that often - not even on an image! Picture taken with the Konica Minolta Dynax 7D, a sturdy 6MP DSLR still working well these days.

S

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