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Weird A. Schacht Travegar 105mm 3.5 on eBay
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PostPosted: Wed Dec 14, 2011 6:29 pm    Post subject: Weird A. Schacht Travegar 105mm 3.5 on eBay Reply with quote

What is this? Is it an enlarger lens?

It's posted here: Click here to see on Ebay

I contacted the seller for some photos of the base, which I've now uploaded:





This really does seem odd to a newbie like me; apologies if this is something common! Wink


Last edited by kukhuvud on Wed Dec 14, 2011 6:40 pm; edited 1 time in total


PostPosted: Wed Dec 14, 2011 6:34 pm    Post subject: Reply with quote

Please keep 1024px size images ! If you use built in upload it resize it for you automatically , also nice if you use Ebay item number + ebay button here instead of long long url.


PostPosted: Wed Dec 14, 2011 6:39 pm    Post subject: Reply with quote

Certainly not enlarger - enlargers generally have Leitz or metric thread mounts, a slide-in barrel would drop out of position in a vertical enlarger set-up. These barrels are standard for projectors. But this one does not look quite like a standard item, having such a unusually long barrel (seemingly almost twice the length than my 150mm projector lens). It might be third party adapted for a low distance/small scale.


PostPosted: Wed Dec 14, 2011 6:41 pm    Post subject: Reply with quote

Attila wrote:
Please keep 1024px size images ! If you use built in upload it resize it for you automatically , also nice if you use Ebay item number + ebay button here instead of long long url.


Sorry for sucking! I've fixed the post.


PostPosted: Wed Dec 14, 2011 7:43 pm    Post subject: Reply with quote

Thank you !


PostPosted: Wed Dec 14, 2011 8:02 pm    Post subject: Reply with quote

If I recall correctly this Travegar is possibly a type made as a bellows (short mount) lens.

Alternately, it could be the lens head from a normal SLR or rangefinder lens. Back in those days many long lenses could have their lens heads (all optics plus aperture mechanism) unscrewed.

Many manufacturers supplied lenses intended specially for use on bellows, or possibly bellows + Leica Visoflex type devices.

The usual enlarger lenses were f/4.5 or less normally at that focal length. An f/3.5 105mm would be very unusual for an enlarger.

The tube its attached to seems to be custom-made for some purpose; I don't know what. I guess its for some very close-focus (1:1 or more) fixed photography frame. Some piece of industrial equipment I suppose.


PostPosted: Wed Dec 14, 2011 9:05 pm    Post subject: Reply with quote

The rough finish suggests it was lathe turned, and not by a real craftsman. So it possibly started life as a normal looking lens ?

But it is still nothing like my A. Schacht Travegar 100 f3.3, which is a two part lens and of a shape that I can't see could be turned to a parallel one like the that.



PostPosted: Wed Dec 14, 2011 9:21 pm    Post subject: Reply with quote

You are just seeing the back side of whats offered on ebay.

The other end has a normal looking alu finish lens head.

This is attached to the tube of which pictures are posted here.

As for the lens heads that separate, yours is a good example. Plenty from that era were like that.


PostPosted: Wed Dec 14, 2011 10:23 pm    Post subject: Reply with quote

The seller has many projector lenses listed, so that might be a clue towards its use.


PostPosted: Thu Dec 15, 2011 1:18 am    Post subject: Reply with quote

luisalegria wrote:
If I recall correctly this Travegar is possibly a type made as a bellows (short mount) lens.

Alternately, it could be the lens head from a normal SLR or rangefinder lens. Back in those days many long lenses could have their lens heads (all optics plus aperture mechanism) unscrewed.

Many manufacturers supplied lenses intended specially for use on bellows, or possibly bellows + Leica Visoflex type devices.

The usual enlarger lenses were f/4.5 or less normally at that focal length. An f/3.5 105mm would be very unusual for an enlarger.

The tube its attached to seems to be custom-made for some purpose; I don't know what. I guess its for some very close-focus (1:1 or more) fixed photography frame. Some piece of industrial equipment I suppose.


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