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05-24-2013, 01:27 PM   #1
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A question In M42 Lenses is SMC and Super Multi Coated

different in functionality? I was under the impression that SMC had open aperture metering and Super Multi Coated M42 lenses did not.

How do I edit the title to correct an obvious grammer issue?


Last edited by aoeu; 05-24-2013 at 01:33 PM. Reason: Help
05-24-2013, 01:41 PM   #2
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The reason I ask is that I bought two Super Multi Coated M42 lenses last week. They both have stop nubbins, set aperture indicators, and small manual prevent pins. I was under the impression that these three features were limited to SMC M42 lenses.
05-24-2013, 02:08 PM   #3
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Super Multi Coated lenses introduced the open aperture capability, but there were no open aperture cameras outside of Japan until 1972. The original Electro Spotmatic was introduced in 1971 with the S-M-C lenses but was only sold in Japan.
05-24-2013, 02:12 PM   #4
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Are my Super Multi Coated lenses unusual? Their provenance is that they were purchased in Japan.

05-24-2013, 02:17 PM   #5
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QuoteOriginally posted by aoeu Quote
Are my Super Multi Coated lenses unusual? Their provenance is that they were purchased in Japan.
Support for open-aperture metering is a characteristic of both series. If your lenses are unusual, it would be for a different reason.


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05-24-2013, 02:17 PM   #6
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QuoteOriginally posted by aoeu Quote
Are my Super Multi Coated lenses unusual? Their provenance is that they were purchased in Japan.
No. All the S-M-C lenses had the aperture linkage. They just didn't sell the cameras outside Japan until the ES came out in 1972. There is at least one rare lens with the aperture linkage. There is a late model Super Takumar 55/2 with the aperture linkage but no SMC coatings.
05-24-2013, 02:18 PM   #7
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QuoteOriginally posted by boriscleto Quote
Super Multi Coated lenses introduced the open aperture capability, but there were no open aperture cameras outside of Japan until 1972. The original Electro Spotmatic was introduced in 1971 with the S-M-C lenses but was only sold in Japan.
What disambiguates SMC and Super Multi Coated?
05-24-2013, 02:22 PM   #8
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QuoteOriginally posted by aoeu Quote
What disambiguates SMC and Super Multi Coated?
The SMC series came out in 1973. They have improved coatings, and have rubberized focus rings instead of the old style metal focus rings. Not every lens got an SMC version, ie. the 35/3.5 & 35/2.

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