M bayonet extension tubes

[rickp13]

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2) Also you can use a 16466, the adapter for mounting Viso I lenses on a II or III, plus an ordinary LTM-bayonet adapter, plus any LTM extension tubes. (The Corfield ones seem to come up for sale quite often.)

 

does anyone recognize these LTM extension tubes? they're not marked with any name, but are very well made. i bought them to try with a visoflex, now sold.

 

greetings from hamburg

 

rick

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[jaapv]

Thanks :)No- everything focusses as it should

 

Jaap,

 

Congratulations. Did your new acquisitions SOMKY or Elmar 3.5 need focus adjustment?

 

Just wondering about those fairly old components.

 

Thanks, K-H.

[PasMichiel]

Anyway, here is my "new" SOMKY mounted on the M9 with the Elmar 3.5/3.5, and a shot with the combo (uncropped, closest distance)

 

Congrats Jaap. It's a nice one.

[giordano]

2)

does anyone recognize these LTM extension tubes? they're not marked with any name, but are very well made.

 

Not me. But any competent machinist can make this sort of thing.

 

I can't tell from the photo whether the lettering is engraved or painted on the rings, or just imposed on the image. If the former, it's unusual to state the material, which makes me suspect they may have been made for some sort of display - perhaps of apprentice work?

 

Finally, are you sure the 24mm ring is stainless steel? It's an unexpected colour, and - unlike the aluminium ones - there are no visible machining marks. Without the "s.steel" marking I'd have assumed it was plated brass or mild steel.