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Equipment Discussions >> Binoculars

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tim53
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Reged: 12/17/04

Loc: Highland Park, CA
Re: Vintage and Classic Binoculars discussion (Part 2) new [Re: tim53]
      #5185029 - 04/22/12 04:12 PM Attachment (54 downloads)

Binoculars, objective end:

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tim53
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Re: Vintage and Classic Binoculars discussion (Part 2) new [Re: tim53]
      #5185033 - 04/22/12 04:14 PM Attachment (49 downloads)

Eyepiece end:

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Foss
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Reged: 02/20/12

Re: Vintage and Classic Binoculars discussion (Part 2) new [Re: tim53]
      #5187668 - 04/24/12 09:02 AM

Hey Andrew. That's one find you'll be sharing with your grandkids someday. WTG!
Hey Simon: Nice score, those look real clean
Hey Tim: I repaired a split box that came with a 60s pair of Rosco (Tokyo Optics) 8x25s and it worked out great.
http://www.thegamesjournal.com/articles/RepairingBoxes.shtml


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tim53
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Re: Vintage and Classic Binoculars discussion (Part 2) new [Re: Foss]
      #5188150 - 04/24/12 02:00 PM

Hi Foss:

That's a very clever solution to the split box problem! I wish I had known about it when I repaired the box for my Tasco 14F about a month back! I used packing tape, which will surely hold, but it's not exactly attractive!

-Tim.


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Simon S
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A fake Zeiss Delactis 8x40, or is it? new [Re: tim53]
      #5189455 - 04/25/12 09:23 AM Attachment (49 downloads)

My latest addition is this Zeiss 8x40 Delactis, but I have a few concerns.
Firstly this binocular has coated lenses and prisms, unusual for a binocular supposedly dated late 1921.
then there's the silkscreen on the prism plates, not the usual engraving. Open the the binocular to find prisms with the normal slot across the hypotonuse and the two key indents to locate the prism into the prism shelf after being punched. However the prism shelves have not been punched and as a result the prism had some movement in the shelf.
Then there's the prism clamp, with no screw at one end, but just a weak clip into two slots in the binocular body.
Hold the binocular in your hand it looks and feels right, but i'm not sure?
Does anyone have any clues?


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Simon S
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Re: A fake Zeiss Delactis 8x40, or is it? new [Re: Simon S]
      #5189458 - 04/25/12 09:24 AM Attachment (44 downloads)

The coated lenses in the eyepieces

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Simon S
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Re: A fake Zeiss Delactis 8x40, or is it? new [Re: Simon S]
      #5189462 - 04/25/12 09:26 AM Attachment (46 downloads)

Prism area with little blackening.

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Simon S
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Re: A fake Zeiss Delactis 8x40, or is it? new [Re: Simon S]
      #5189497 - 04/25/12 09:54 AM Attachment (46 downloads)

And compared to my later model that looks a lot older?
Notice also the eyelens size?


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brentwood
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Re: A fake Zeiss Delactis 8x40, or is it? new [Re: Simon S]
      #5189719 - 04/25/12 11:55 AM

Those eyepieces look a little wide for something made in the 20s?

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FrankL
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Reged: 07/30/09

Loc: Winnipeg, Manitoba Canada
Re: A fake Zeiss Delactis 8x40, or is it? new [Re: Simon S]
      #5189736 - 04/25/12 12:05 PM

This is a strange one. No doubt they're fakes or an original Delactis completely re-built with new optics. The question is why? To make this binocular (rebuild or create an entirely new one) would have been a costly and/or time-consuming undertaking costing more than an original Delactis (not a very rare binocular)would be worth. My guess is that this was not done for re-sale or to fool any body but by an optical hobbyist trying to re-create a Delcatis with coated optics which if successful would have been a pretty good binocular. How is the view through it, by the way?

My Delactis(sn #1322374 = 1926) has a 22 mm eyelens seeming to look more like the one on your fake than your original.

Edited by FrankL (04/25/12 12:16 PM)


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Simon S
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Re: A fake Zeiss Delactis 8x40, or is it? new [Re: FrankL]
      #5189749 - 04/25/12 12:11 PM

Frank, the coatings are very soft and have mostly been removed through cleaning. Comparing the two models they look equal. exactly the same sweet spot same colour rendition. But the prism claps should have a screw one end from memory?

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FrankL
sage


Reged: 07/30/09

Loc: Winnipeg, Manitoba Canada
Re: A fake Zeiss Delactis 8x40, or is it? new [Re: Simon S]
      #5189760 - 04/25/12 12:24 PM

Quote:

Frank, the coatings are very soft and have mostly been removed through cleaning. Comparing the two models they look equal. exactly the same sweet spot same colour rendition. But the prism claps should have a screw one end from memory?


I was about to agree with you about the prism clamp screw but I've just looked into mine and although a little hard to see, it doesn't look like there's any screw. But if those are original Zeiss prisms in the original binocular they should be fitting as tightly as possible in their bases.

What are the diameters of the eyelenses on both of yours?

Edited by FrankL (04/25/12 12:26 PM)


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Simon S
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Re: A fake Zeiss Delactis 8x40, or is it? new [Re: FrankL]
      #5189879 - 04/25/12 01:37 PM

The larger are 21mm the others 18ish

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Simon S
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Re: A fake Zeiss Delactis 8x40, or is it? new [Re: Simon S]
      #5198374 - 04/30/12 02:20 PM

Well i'm stumped on this binocular.
I think is may well be a fake, but it's optical performance seems as good as the other binocular in the photo.


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tim53
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Re: A fake Zeiss Delactis 8x40, or is it? new [Re: Simon S]
      #5199195 - 04/30/12 10:32 PM Attachment (45 downloads)

I just got my second pair of binoculars from ebay today. Selsi 7x50 wide angles. They looked to be very clean, and the eyepieces huge, so I was curious to see how they performed (and the price wasn't bad).

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tim53
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Re: A fake Zeiss Delactis 8x40, or is it? new [Re: tim53]
      #5199199 - 04/30/12 10:32 PM Attachment (36 downloads)

From the top... ...I mean the objectives!:

Edited by tim53 (04/30/12 10:33 PM)


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tim53
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Re: A fake Zeiss Delactis 8x40, or is it? new [Re: tim53]
      #5199209 - 04/30/12 10:34 PM Attachment (42 downloads)

Here's the top:

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tim53
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Re: A fake Zeiss Delactis 8x40, or is it? new [Re: tim53]
      #5199231 - 04/30/12 10:44 PM

The view through the eyepieces is indeed wide. Definitely lose definition before getting to the edge, though. Other thing that i noticed is a strongly-curved field when focusing on the TV across the room. The screen appeared bowed outward in the center. (I have an old pair of Meade 12s80s with the opposite curvature).

-Tim.


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Simon S
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Re: A fake Zeiss Delactis 8x40, or is it? [Re: tim53]
      #5203737 - 05/03/12 12:51 PM

Nice find Tim, another of those wonderful wide angle Japanese binoculars sadly no longer as popular today as they once were.

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Pinewood
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Reged: 12/07/04

Loc: 40.77638º N 73.982652 W
Re: Selsi 7x50 [Re: Simon S]
      #5204647 - 05/03/12 10:07 PM

Hello Tim,

Is there any vignetting? Those binoculars do not seem to have the oversized prisms needed for an extra wide field of view.


Happy collecting,
Arthur Pinewood


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