I read somewhere Russian lens designer Rusinov is the father of Biogon concept. So which lens is the father of other ?
Umut
Umut
A J12 in LTM is cheap, there is a large £$ step to the next lens option the Cosina Voightlander f/2.5 35mm.
Guess why:
1. The J12 is a copy of the pre-war Carl Zeiss Biogon 3.5cm f/2.8 for the Contax, a design from the 1930s, built between 1950 and 1960, whereas that Voigtländer lens was introduced in 2004.
2. The J12 was built according to russian manufacturing standards whereas Cosina is good enough to build lenses for Zeiss these days.
3. Both.
You might consider a Summaron 35mm, they sell for low prices today.
Hi
My J12 in LTM serial number said it was made in '91. It was a reasonable lens, and nearly as cheap as the LTM to M adapter ring.
Cosina or the Russians can/could employ whatever build standard they chose, e.g. at the beginning of WWII the T34s (medium tanks) were beautiful little tanks, the last one they were able to make in Stalingrad while the storm troopers were assaulting the next building may have cut some corners. But I'm sure it gave a good account of itself, in combat.
Cosina have made lenses and bodies for other suppliers than Zeiss.
The Summarons are nice lenses, the 35mm f/2.8 a real good performer, but an optically mint one will be more expensive than a CV 35mm f/2.5 by some margin, they are in the London shops, the collectors snap them up...
Noel
You are right, it was also built later, but in a different company named LZOS.
The problem with build quality is that the Soviets were really strong at building military equipment, and that includes quality control. (Russia is still one of the three biggest countries in terms of weapons exports.) Consumer goods for the average Iwan have never been a major focus for Kremlin potentates.
I remember times when Cosina was a maker of cheap 3rd party lenses. They have come a long way, and some of their own lenses are really good, too.
Regarding London and Summarons... well, London IS expensive, and 'mint' items from the 1950s are a costly hobby. But I often see acceptable Summarons for acceptable prices.
Hi
My records indicate the
J12 was 40 GBP in caps, mint
CV 35mm f/2.5 classic 160 GBP, ditto + box etc.
CV 35mm f/2.5 pan 140 in opt hood and caps, ditto
How much can you get Summarons for here resonable optics 300 or more. E.G. Ivor of Red Dot one of our advertisers
http://www.reddotcameras.co.uk/product_info.php?cPath=34_36&products_id=1686
325 GBP
Noel
HiI saw Summarons in acceptable state here for 100-200 Euros here. J12s are often much cheaper, due of east german history. The problem is that most of the russian lenses you get here are sold because they are bad.
"CV 35mm f/2.5 pan 140 in opt hood and caps, ditto" sounds good, I would recommend that one.
I read somewhere Russian lens designer Rusinov is the father of Biogon concept. So which lens is the father of other ?
Umut
I read somewhere Russian lens designer Rusinov is the father of Biogon concept. So which lens is the father of other ?
Umut
M.M Roosinov in 1946
Hi
Ok I apologize, for lack of clarity, the list was from my purchases in the rescent past. All the lenses were mint condition and the only problems with the J12, were,
- it would sometimes iris image when the sun got to the front optic, at a 'wrong' angle, at f/5.6-/11 it was otherwise indistinguishable from other lenses.
- it did not mount on my Canons VI-L and P, it fouled their anti refection baffles
I use several bodies at once and only really use 35mm lenses.
I need a trip to Germany... to look at summarons, 325 is the best I've seen for a while...
Noel
Hi Vincenzo
. . .
Don't think any one is going to help us with the derivations
Noel
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