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02-15-2012, 03:54 AM   #16
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My bad, the lens I bought is not a Pentax lens, it's a Sears lens. I misread the description...

Anyhow, these lenses are not that expensive so I can always get a different one it the future, if I'll ever feel the need. From what you guys are telling me, I feel I should've gone for the Jupiter but, to be honest, the whole adapter ring thing scared me a little.

02-15-2012, 01:01 PM   #17
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AFAIK, Sears 135/2.8 were made in Korea. I had one for a brief few days; it's an OK lens with some purple fringing wide open. Can be usually had really cheap (I sold mine for $15).
02-15-2012, 01:09 PM   #18
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QuoteOriginally posted by stevebrot Quote
Substandard is such a harsh word. 4 elements in 4 groups is actually pretty standard for 135mm, even for f/2.8. Good examples would be the Pentax-A 135/2.8 or any of the ubiquitous Vivitar 135/2.8. The J-37A has four elements in 3 groups and the Pentax-M 135/3.5 has 5 elements in 5 groups (probably needed to keep the size down). The proof, of course, is in the images.
Two of the very best 135/2.8 lenses I used are Zeiss Sonnar 135/2.8 (C/Y) and Nikon Nikkor 135/2.8 AI/AIS. Both have a 5/4 construction. Olympus Zuiko 135/2.8 has 5 elements in 5 groups. These are the very best 135 2.8's; I am yet to find a similarly fast 135mm with 4/4 construction lens to match their performance.

Designing a 135/3.5 lens is easier; makers can usually get away with just 4 elements, using either 4/4 (Ernostar) or 4/3 (Sonnar) constrution. I only have one 'bad' 135/3.5, which is a T-mount Prinz Galaxy lens; it's so pictorial and full of CA it's hard to believe. The quality of background blur in that lens is next to nothing though.

I have both SMC Pentax 135/3.5 and its M sibling; they're hugely different in size, so you might be right about the extra glass element used to reduce lens size and weight.
02-15-2012, 04:23 PM   #19
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I had the XR 135/2.8 early on, a nice lens though a bit heavy for my liking. Can't remember what my f/setting was on these, but it passed my bokeh test! I'm definitely a Rikenon fan, primes and zooms; the 35-135 P and 70-150 XR were 2 of my best 3 m-focus zooms.



I ended up selling the XR 135mm, and finally went with the SMC-M 135/3.5; love the compact size and relatively light weight of it.

02-15-2012, 07:13 PM   #20
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QuoteOriginally posted by vlazduhu Quote
From what you guys are telling me, I feel I should've gone for the Jupiter but, to be honest, the whole adapter ring thing scared me a little.
There's nothing scary about it, but I would advise against it, unless you intend to put together an M42 kit covering a reasonably wide focal range, so you can leave the adapter on the camera when changing lenses. This is what I did, and the Jupiter-37A is one of my absolute favorites (this review is mine). The Super-Takumar 135/3.5 (here my review) is really good too, and can be had even cheaper.

Last edited by Ikarus; 02-15-2012 at 07:30 PM.
02-15-2012, 10:42 PM   #21
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QuoteOriginally posted by aoleg Quote
AFAIK, Sears 135/2.8 were made in Korea.
Unless, it is a Rikenon in disguise. Most Sears SLR cameras and lenses were Ricoh up until the early 1980s. If the lens say "Made in Japan" it is likely Ricoh.


Steve
02-15-2012, 11:16 PM   #22
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QuoteOriginally posted by stevebrot Quote
Unless, it is a Rikenon in disguise. Most Sears SLR cameras and lenses were Ricoh up until the early 1980s. If the lens say "Made in Japan" it is likely Ricoh.
I've used (briefly) that Sears 135/2.8; it's definitely Korean-made, and definitely very different compared to the Rikenon XR. I can't say which one is a 'better' lens; they're about par in my book, although I kept the XR for its better build quality and the 'brand' name
02-16-2012, 09:23 AM   #23
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QuoteOriginally posted by aoleg Quote
I've used (briefly) that Sears 135/2.8; it's definitely Korean-made, and definitely very different compared to the Rikenon XR. I can't say which one is a 'better' lens; they're about par in my book, although I kept the XR for its better build quality and the 'brand' name
There are a ton of Sears 135mm lenses from many different makers over a 30+ year span. From about 1965 to the early 1980s they would all be re-badged Ricoh product. Ditto for Sears SLR cameras. In the mid-1980s Sears started adding other Japanese and Korean lenses from various makers into the mix. A good generalization is that if the build is good, it probably from Ricoh.


Steve

02-16-2012, 12:57 PM   #24
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The moment it reaches me I'll take some snaps of it and maybe someone will be able to tell. Or, if it says Made in Korea on it, then we're clear. Still, fingers crossed it won't
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