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Equipment Discussions >> Binoculars

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Bensi
professor emeritus

Reged: 02/22/09

Loc: Italy, Near Rome

Re: The vintage binocular discussion thread II. [Re: Simon S]
#3376937 - 10/07/09 04:31 PM Attachment (117 downloads)

Quote:

Bensi I had to clean the prisms and internal glass. Love the prism mounting system, easy to collimate.

Yes !! Easy and practical system of prism mounting.
Bye

Post Extras:

Bensi
professor emeritus

Reged: 02/22/09

Loc: Italy, Near Rome

Baush & Lomb - 1WW england army [Re: Bensi]
#3377805 - 10/08/09 04:29 AM Attachment (128 downloads)

I got a telescope built by the English but 1WW Baush & Lomb of Rochester - USA.
I paid very little but is reduced very badly and now is completely dismantled.

There were water leaks that had soiled limestone two prisms.

Now I have washed and removed the limestone and the eyepieces disassembled and cleaned.

I discovered a different system of collimation, screws hidden in the handle but that push or block the prism in different positions and from what we know today in the latest binoculars.

Edited by Bensi (10/08/09 04:30 AM)

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Bensi
professor emeritus

Reged: 02/22/09

Loc: Italy, Near Rome

Re: Baush & Lomb - 1WW england army [Re: Bensi]
#3377807 - 10/08/09 04:35 AM Attachment (132 downloads)

one photo of frontal lens

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potts34
professor emeritus

Reged: 12/09/08

Loc: Derbyshire , England

Re: Baush & Lomb - 1WW england army [Re: Bensi]
#3378192 - 10/08/09 11:46 AM

Ciao Bensi, erano questi un affare di Ebay? I manufatti della trincea WW1 hanno elencato recentemente?

Hi Bensi,
were these an Ebay buy? WW1 trench artefacts listed recently?

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Bensi
professor emeritus

Reged: 02/22/09

Loc: Italy, Near Rome

Re: Baush & Lomb - 1WW england army [Re: potts34]
#3379696 - 10/09/09 04:56 AM

Yes this B&L , I have buy on Ebay.

I don't understand the second question ...
Sorry ...I don't speaking well english.

Bye

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Bensi
professor emeritus

Reged: 02/22/09

Loc: Italy, Near Rome

Re: Baush & Lomb - 1WW england army [Re: Bensi]
#3379700 - 10/09/09 05:17 AM

after cleaning and collimation....

http://quasar.teoth.it/gallery/thumbnails.php?album=135

Edited by Bensi (10/09/09 01:54 PM)

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Robert A.
sage

Reged: 01/21/05

Loc: Milwaukee, WI Northern USA

Re: Baush & Lomb - 1WW england army new

[Re: Bensi]
#3380717 - 10/09/09 04:23 PM

I love your picture of your work table! I see your tools, and the disassembled binoculars. It is encouraging to see how you do the work, and your organization.
Appreciatively,
Rob

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Simon S
Carpal Tunnel

Reged: 01/07/07

Loc: Crawley West Sussex UK

Re: Baush & Lomb - 1WW england army new

[Re: Robert A.]
#3380731 - 10/09/09 04:37 PM

Good work Bensi, what are your thoughts on the collimation methods? The prisms are prone to chipping on this model. I am surprised that a service binocular design has such a fragile system for locking fragile glass parts when the chances of them being knocked and dropped is fairly likley.

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charen
Pooh-Bah

Reged: 05/28/05

Loc: New Zealand

Re: Baush & Lomb - 1WW england army new

[Re: Simon S]
#3381567 - 10/10/09 04:53 AM Attachment (118 downloads)

Good find ! Collectors heaven.
Got these two 'brand new' Japanese Manon 8x30 and SNS 7x35 binos.
Never used. All original boxs, caps etc.
Both from the late 60's and all in mint condition.
Cost a total of US$60.

Edited by charen (10/10/09 05:10 AM)

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charen
Pooh-Bah

Reged: 05/28/05

Loc: New Zealand

Re: Baush & Lomb - 1WW england army new

[Re: charen]
#3381573 - 10/10/09 04:58 AM Attachment (102 downloads)

and

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charen
Pooh-Bah

Reged: 05/28/05

Loc: New Zealand

Re: Baush & Lomb - 1WW england army new

[Re: charen]
#3381578 - 10/10/09 05:01 AM Attachment (96 downloads)

and the SNS

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charen
Pooh-Bah

Reged: 05/28/05

Loc: New Zealand

Re: Baush & Lomb - 1WW england army new

[Re: charen]
#3381580 - 10/10/09 05:03 AM Attachment (101 downloads)

and last photo

Chris

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Bensi
professor emeritus

Reged: 02/22/09

Loc: Italy, Near Rome

Re: Baush & Lomb - 1WW england army new

[Re: Simon S]
#3386544 - 10/13/09 02:45 AM

Collimation system that has this B & L to 1WW me a little surprised, but still works well.
However, the 12 screws in total and by moving the prisms are so many regular and are hidden under the grip of black clay.
I did not find even if I had not opened and removed the binoculars.
Last night I collimated instead a wonderful Voigtlander 9x20 is that instead of 1895-97 coincided with the thickness below the prisms.
But I will talk about another topic.

Hello

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Bensi
professor emeritus

Reged: 02/22/09

Loc: Italy, Near Rome

A Voigtlander 9x20 prismatic end 800' new

[Re: Bensi]
#3386558 - 10/13/09 03:10 AM Attachment (95 downloads)

A Voigtlander 9x20 prismatic end 800' back to original quality.
Its serial number is only 3791.
I've purchased in a market for old things, which takes place in my city once a month.
Who sold it to me had given him a clean light but was not collimated.
I fell in love immediately because they have been waiting a Voigtlander for my collection.
In two different phases of work, I disassembled and cleaned lenses and prisms earlier, after, eyepieces and prisms rear.
At the end of work are extremely pleased, because this Voigtalnder is a rare example of binoculars that has returned to the original optical performance.

Contrast, sharpness and perfect collimation.
Obviously the only real limitation of this vintage binoculars is the FOV.
Here is the images folder.
http://quasar.teoth.it/gallery/thumbnails.php?album=134
Bye

Edited by Bensi (10/13/09 05:10 AM)

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Simon S
Carpal Tunnel

Reged: 01/07/07

Loc: Crawley West Sussex UK

Re: A Voigtlander 9x20 prismatic end 900 new

[Re: Bensi]
#3386594 - 10/13/09 04:11 AM

Wow Besi they look great! The condition looks great considering they are 110 years old.

Post Extras:

Bensi
professor emeritus

Reged: 02/22/09

Loc: Italy, Near Rome

Re: A Voigtlander 9x20 prismatic end 800 new

[Re: Simon S]
#3386621 - 10/13/09 05:08 AM

I have 4 binoculars are of the same historical period at the end of 1800 '.
Dollond 8x20, Goerz 12x20, Ross 10x20, and that Voigtlander 9x20, but Dollond 8x20 and this Voigtlander are those that are optically perfect and very clean, similar to original state.
The other two are in very good condition but... one point less, optically speaking, because I was not able to clean 100% prisms.

Need the hard way (acid, limestone).

Bye

Edited by Bensi (10/13/09 05:09 AM)

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potts34
professor emeritus

Reged: 12/09/08

Loc: Derbyshire , England

Re: A Voigtlander 9x20 prismatic end 800' new

[Re: Bensi]
#3386997 - 10/13/09 11:35 AM

beautiful, Bensi another good find.

bello, Bensi un altro buon ritrovamento.

Post Extras:

Bensi
professor emeritus

Reged: 02/22/09

Loc: Italy, Near Rome

Re: A Voigtlander 9x20 prismatic end 800' new

[Re: potts34]
#3387458 - 10/13/09 03:57 PM

Thank you.

Return to the previous message, because I made a small error in the trial Goerz 12x20.
This afternoon I have rebuilt a comparison between binocular I have mentioned, and Goerz is near the level of cleanliness of the other two (Dollond and Voigtlander) instead and the ROSS that I have to clean up again in the prisms.
There is no hurry ...
Bye

Post Extras:

Simon S
Carpal Tunnel

Reged: 01/07/07

Loc: Crawley West Sussex UK

Re: A Voigtlander 9x20 prismatic end 800' [Re: Bensi]
#3389359 - 10/14/09 03:02 PM

Another surprisingly good performer,Vesper 7x35 J-B241 costing a staggering £4. The internals were very clear apart from a spot of fungus on the oculars and came with the lens caps and a scruffy case. The view is far better than most of my other 7x35's including all the Tasco's and was a real surprise.

Edited by Simon S (10/15/09 02:52 PM)

Post Extras:

potts34
professor emeritus

Reged: 12/09/08

Loc: Derbyshire , England

Re: A Voigtlander 9x20 prismatic end 800' [Re: Simon S]
#3390579 - 10/15/09 02:27 AM Attachment (81 downloads)

I have a pair of Vesper in the 10x 50 the image etc is pretty good but the build quality is superb, JB113 so
Ito Kogaku Kikai Seisakujo. Inc.

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