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Vintage Binocular Collection

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#26 FrankL

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Posted 01 January 2011 - 10:03 AM

Malc,
Thank you very much for this information. It is much appreciated, and my descriptions of binoculars will be revised accordingly.
Best wishes for a wonderful New Year to you and other members of this forum.
Frank

#27 planetmalc

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Posted 04 January 2011 - 12:36 PM

FrankL,

Thank you for your kind wishes; the same to you and to the other forum members.


Simon,

I'm not yet geared up to take pics of the 1952 Kershaw catalogue, but I can certainly tell you what was in it.

Monarch 12 x 40 and 10 x 40; Olympic 8 x 30; Newmarket 7 x 21; and Portland 6 x 30. All are ZCF Porro 1's, apart from the Newmarket which is a reverse Porro.

FOV (at 1000ft, in the order shown above):-
108, 100, 154, 130, 150

'Light transmitting power':-
82%, 82%, 82%, 82%, 83%

Weight:-
28.5oz, 28.5oz, 18oz, 10.5oz, 18oz


They also marketed monocular versions of the Monarch 12 x 40 and 10 x 40; Olympic 8 x 30; and Portland 6 x 30.


The Sportsman spectacle binocular is there, but annoyingly there is no data for it.


Other pages are given over to magnifiers (desk, stand and pocket); the 'King Penguin' roll-film camera; and the model 250 filmstrip and slide projector.


Malc

#28 Simon S

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Posted 04 January 2011 - 01:09 PM

Thanks Malc thats great.

#29 FrankL

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Posted 10 March 2011 - 12:48 PM

Additions to Vintage Binocular Collection

The following have been added to my collection since the last posting on December 27, 2010:

1) BBT Krauss France M/50 (Danish Army/Airforce) 7X50
2) Hensoldt Wetzlar Nacht-Dialyt 8X56
3) Kershaw Monarch Ten 10X40
4) Lemaire Paris Azur 8X30
5) REL C.G.B. 37 M.A. 6X30 (pictures of case being used to store Bren light machine gun reflector sight)
6) S.P.J.P. (Société Parisienne Jumelles à Prismes) 7X 7X23 (with picture of disassembled linear movement ocular unit)
7) Taylor-Hobson Bino Prism No. 2 Mk III 6X30
8) Carl Zeiss Jena Delactis 8X40
9) Carl Zeiss (Oberkochen) 8X30

I would appreciate any comments, further information or corrections the members of this forum could provide about these binoculars and my descriptions of them.

Also, I am researching the BOP filter conversion of the Canadian 7X50 REL binocular and REL 7X50's in general. If a member has any 7X50 REL binoculars or a BOP converted one, I would be most interested in its details such as model #, year of manufacture, number of dry air ports, serial number, presence of coated lenses, presence of yellow Admiralty arrows, weight, and any other information about its history and manufacture. To date, 42 REL 7X50 binoculars have been catalogued of which 9 are BOP filter modified.

Once again, thanks to members of this and other forums who have provided new information about the binoculars in the collection.

The new binoculars can be viewed at:
http://www.flickr.co...6577485/detail/

The entire collection including additions can be viewed at:
http://www.flickr.co...4405689/detail/

#30 FrankL

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Posted 13 May 2011 - 12:34 PM

Additions to Vintage Binocular Collection

The following have been added to my collection since the last posting on March 10, 2011:

1) BBT Krauss 312.10 MILLI 7X50
2) Bell & Howell M19 7X50
3) Leitz beh Kriegsmarine (type II) 7X50 (w/case, filters, rubber eyecups)
4) Ross Stepmab 9X35
5) Ross Stepnac 6X30
6) Ross Stepnite 7X50
7) Spencer Lens Company U.S. NAVY BU.SHIPS MARK 30 MOD 0 7X50
8) SRPI Puteaux 8X24 (Finnish Army, Porro II)

I would appreciate any comments, further information or corrections the members of this forum could provide about these binoculars and my descriptions of them.

Also, I am researching the BOP filter conversion of the Canadian 7X50 REL binocular and REL 7X50's in general. If a member has any 7X50 REL binoculars or a BOP converted one, I would be most interested in its details such as model #, year of manufacture, number of dry air ports, serial number, presence of coated lenses, presence of yellow Admiralty arrows, weight, and any other information about its history and manufacture. To date, 46 REL 7X50 binoculars have been catalogued of which 9 are BOP filter modified.

Once again, thanks to members of this and other forums who have provided new information about the binoculars in the collection.

The new binoculars can be viewed at:
http://www.flickr.co...2188522/detail/

The entire collection including additions can be viewed at:
http://www.flickr.co...4405689/detail/

#31 marcelof

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Posted 13 May 2011 - 08:41 PM

Wonderful collection!!!! Of the hightest level

#32 FrankL

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Posted 31 July 2011 - 03:32 PM

Additions to Vintage Binocular Collection

The following have been added to my collection since the last posting on May 13, 2011:

1) Fujinon M24 7X28
2) Hensoldt Wetzlar bmj Dienstglas 7X56
3) Hensoldt Wetzlar Sport-Dialyt 8X30
4) Kershaw Olympic 8X30
5) SarD BU.AERO U.S. NAVY MARK 43 6x42
6) Swarovski Habicht SLC 8X30WB (Mark III)
7) Wollensak Optical Company, U.S. Army Binocular M5 6X30
8) Carl Zeiss London, Binocular Prismatic No. 3 Mark I 6X24
9) Zeiss West Germany Dialyt 8X56B

I would appreciate any comments, further information or corrections the members of this forum could provide about these binoculars and my descriptions of them.

Also, I am researching the BOP filter conversion of the Canadian 7X50 REL binocular and REL 7X50's in general. If a member has any 7X50 REL binoculars or a BOP converted one, I would be most interested in its details such as model #, year of manufacture, number of dry air ports, serial number, presence of coated lenses, presence of yellow Admiralty arrows, weight, and any other information about its history and manufacture. To date, 51 REL 7X50 binoculars have been catalogued of which 9 are BOP filter modified.

Once again, thanks to members of this and other forums who have provided new information about the binoculars in the collection.

The new binoculars can be viewed at:
http://www.flickr.co...1417520/detail/

The entire collection including additions can be viewed at:
http://www.flickr.co...4405689/detail/

#33 Pinewood

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Posted 31 July 2011 - 04:19 PM

Hello FrankL,

That SARD is a real find, possibly the most desired American binocular. The paint seems to be lost easily, but those huge prisms to accommodate a wide field of view make for an impressive binocular.

Happy collecting,
Arthur Pinewood

#34 Simon S

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Posted 01 August 2011 - 05:43 AM

Hello FrankL,

That SARD is a real find, possibly the most desired American binocular. The paint seems to be lost easily, but those huge prisms to accommodate a wide field of view make for an impressive binocular.

Happy collecting,
Arthur Pinewood

It's not fair :nonono:
I really need to look through a pair just to see what the fuss is all about.

#35 FrankL

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Posted 01 August 2011 - 02:21 PM

These binoculars are at their very best when viewing a panoramic scene such as a seascape, lakeshore or mountain range. I don't think there is any currently made binocular that comes close to this sort of wide-angle view. They are at their very worst if you try to tote them around your neck for any period of time.

#36 FrankL

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Posted 12 November 2011 - 11:51 PM

Additions to Vintage Binocular Collection

The following have been added to my collection since the last posting on July 31, 2011:

1) Emil Busch cxn D.F. 10x80 45 degrees (flak glass)
2) Hensoldt Wetzlar Dialyt 10X50
3) Japanese WW II Naval 7X50 (Manufacturer is “NLK”)
4) Leitz beh Kriegsmarine (type iii - rubber armoured) 7X50
5) Leitz Canada (ELCAN) 7X50 Military Model
6) Leitz Wetzlar Binuxit 8X30
7) NIFE Stockholm 7X50
8) San Giorgio Genova-Sestri ESA 6X30
9) Zeiss West Germany 7X50 B/GA T*

I would appreciate any comments, further information or corrections the members of this forum could provide about these binoculars and my descriptions of them.

Also, I am researching the BOP filter conversion of the Canadian 7X50 REL binocular and REL 7X50's in general. If a member has any 7X50 REL binoculars or a BOP converted one, I would be most interested in its details such as model #, year of manufacture, number of dry air ports, serial number, presence of coated lenses, presence of yellow Admiralty arrows, weight, and any other information about its history and manufacture. To date, 77 REL 7X50 binoculars have been catalogued of which 9 are BOP filter modified. This database can be viewed here:
http://home.europa.c...x50.Lagorio.pdf

Once again, thanks to members of this and other forums who have provided new information about the binoculars in the collection.

The new binoculars can be viewed at:
http://www.flickr.co...0112204/detail/

The entire collection including additions can be viewed at:
http://www.flickr.co...4405689/detail/

#37 Pinewood

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Posted 13 November 2011 - 04:41 PM

Hello Fred,

I posted this for you on another forum:

You are requesting quite a bit, so I will write only a little about the Binuxit. It was produced from 1927 to 1962. Post WWII models, serial numbers above about 480000, were coated. Some of the older ones exhibited a rather warm colouring, due to aging of the Canadian balsam. I have an example from 1952, which shows this. I have seen one a few years older, which did not.

I will write, but not from personal experience, that the flak glasses have a strong following among people who enjoy star fields and other celestial sights which do not require much magnification. I think that all, certainly most, flak glasses were uncoated.

Happy collecting,
Arthur Pinewood

#38 FrankL

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Posted 13 November 2011 - 10:23 PM

Hello Arthur,

You're correct that most but not all 10X80 flak glasses were uncoated. A few of the late war ones made by Busch (cxn) had coated optics (Fan Tao has a picture of one on his website), and according to Rohan the ones made by Leitz (beh) over serial number 46,000 were also coated and marked with a T. This flak glass is really fun to use for terrestrial as well as astronomic viewing. I find it has an unusually bright image for uncoated optics probably in part because of a relatively low number of light reflecting surfaces (I also removed the clear filters for this purpose).

My Binuxit for a binocular with single layer MgF2 coatings gives an extremely bright and color neutral image, one of the best in collection for a binocular of this type. It is quite a bit better the the Zeiss Oberkochen 8X30 and even just a little better than the Kershaw Olympic 8X30 which before acquiring the Binuxit had the brightest and best color of the 8X30's. My Binuxit's serial number is 583563 which I think places it in the later 50's or very early 60's.

Frank

#39 Kaelin

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Posted 21 November 2011 - 11:34 PM

Stupendous collection!

I'm partial to Kershaw models. I have a 1941 Kershaw prism bino (No. 2 MKII, O.S. 108-MA), 6 x 30, from Leeds Optical. They came with what appears to be an original, hard leather case.

I gather they were common issue to British soldiers; they're tough little binos and in great shape.

#40 FrankL

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Posted 02 March 2012 - 03:52 PM

Additions to Vintage Binocular Collection

The following have been added to my collection since the last posting on November 12, 2011:

1) Bausch & Lomb (Rochester made) Zephyr 7X35
2) Emil Busch cxn Dienstglas 6X30
3) Goerz Trieder Binocle "Pernox" 6X30
4) Kern AARAU Focalpin 10 10X60
5) Kern AARAU Pizar 8X30 AR
6) Ross Stepmur 10X50
7) Carl Zeiss Jena blc U-Boat 3rd model 7X50
8) Zeiss West Germany Dialyt 7X42 B/GA T*P ClassiC
9) Zeiss 10X56B T*P* Design Selection “Night Owl”

I would appreciate any comments, further information or corrections the members of this forum could provide about these binoculars and my descriptions of them.

Also, I am researching the BOP filter conversion of the Canadian 7X50 REL binocular and REL 7X50's in general. If a member has any 7X50 REL binoculars or a BOP converted one, I would be most interested in its details such as model #, year of manufacture, number of dry air ports, serial number, presence of coated lenses, presence of yellow Admiralty arrows, weight, and any other information about its history and manufacture. To date, 93 REL 7X50 binoculars have been catalogued of which 11 are BOP filter modified. This database can be viewed here: http://home.europa.c...x50.Lagorio.pdf .

Once again, thanks to members of this and other forums who have provided new information about the binoculars in the collection.

The new binoculars can be viewed at:
http://www.flickr.co...0769179/detail/

The entire collection including additions can be viewed at:
http://www.flickr.co...4405689/detail/

#41 Philip Levine

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Posted 02 March 2012 - 06:39 PM

Hi Frank,
Wow. thanks for posting the photo link for your new acquisitions. I especially liked seeing/reading about the Ross 10x50, and the Zeiss U-boat 7x50 binoculars.
Lucky guy to have such distinctive binos.
Phil

#42 Gordon Rayner

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Posted 03 March 2012 - 02:49 AM

SARD 6x42
Another common problem with these is the plastic focusing grip. They tend to crack.
Also, there are better ways to design adjustment lock for the diopter setting.

45 deg LOS inclined Flak 10 x 80, the Busch design:
Most are uncoated . My dkl 81925 Schneider( Kreuznach) has cryolite coatings, which are more efficient than MgF2, but are , NB ,soluble in warm water. I have several partially coated Leitz. Sometimes one sees somewhat oddball coatings on cxn (Busch) production . IIRC, those were early
multilayers.
I have about 100 pages of the Busch 10 x 80 design Flak binocular plans, from a Leitz archive microfilmed just after the war ended.

#43 FrankL

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Posted 03 March 2012 - 09:55 AM

SARD 6x42
Another common problem with these is the plastic focusing grip. They tend to crack.
Also, there are better ways to design adjustment lock for the diopter setting.

45 deg LOS inclined Flak 10 x 80, the Busch design:
Most are uncoated . My dkl 81925 Schneider( Kreuznach) has cryolite coatings, which are more efficient than MgF2, but are , NB ,soluble in warm water. I have several partially coated Leitz. Sometimes one sees somewhat oddball coatings on cxn (Busch) production . IIRC, those were early
multilayers.
I have about 100 pages of the Busch plans, from a Leitz archive microfilmed just after the war ended.

You're right about the SARD 6X42 focusing rings - they're plastic and not a very durable looking plastic either.

You mention "oddball coatings" on cxn 10X80's. Are you referring to the late-war red/orange coatings seen on some German binoculars? I have these on my U-Boat 7X50 and am trying to learn how they differ (other than color) from the the usual dark blue coatings. Are they an early type of multi-coating? The ones on my blc U-Boat perform very well - bright image and almost color neutral (ever so slightly warm). Also, the exterior as well as the interior of the lenses are coated unlike my beh Porro II's where only the interiors are coated (could have been coatings on the exterior but I doubt it because no traces of it can be found even at the very edge of the objectives).

#44 Foss

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Posted 03 March 2012 - 12:00 PM

Just a shout out to Frank for the Flikr posts. Images and descriptions are outstanding, as is your collection.
Thanks,
Foss

#45 Pinewood

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Posted 03 March 2012 - 09:58 PM

Hello Frank,

Is the Zephyr coated? There are a surprising number of the earlier uncoated models floating around.

For a 7x35, the Zephyr may be a little narrow, but my main complaint is minimum focussing distance is about 7 meters. For bird watching, it is could be a little closer.

Nice collection, in any case,
Arthur

#46 Pinewood

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Posted 03 March 2012 - 10:03 PM

Hello Frank,

I consider the 7x42 Dialyt to be close to the best compromise of any terrestrial binocular design. Good FOV, good ergonomics, brilliant, contrasty image, 6 mm exit pupil, neither too big nor too heavy and because of the Abbe König prisms, there is even a slight stereo effect.

Happy collecting,
Arthur

#47 FrankL

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Posted 03 March 2012 - 11:08 PM

Hello Arthur,

Yes,the Zephyr is coated and it is a nice fairly color-neutral coating too. Close focus isn't great but the Rochester Zephyr's is about 1 meter closer focus than the Japanese version's.

There's something about the Dialyt 7X42's ergonomics - it's just so comfortable to carry and hold. I love this binocular. It's reputation is well-deserved.

Frank

#48 Gordon Rayner

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Posted 04 March 2012 - 01:32 AM

I have seen the red/orange coatings which you mention on the blc KM 7 x 50. I have seen specimens, but do not have one. From the specimens which I have seen, the red/orange antireflection lens coatings were not used on the 8 x 60 handhelds, nor on the 8 x 60 deckmounts.

I have seen such red/orange coatings on several Busch (cxn) production Flak binoculars of the Busch design.

Some of the Busch design 10 x 80 from Busch, cxn, were made under great production pressure, it seems: Some of the objective lens elements were centered during cementing by simply placing them into their cells before the balsam cement had cooled. The evidence is balsam cement overflow on the cell wall.

I believe that I might be able to find material to answer your question, but it has been decades since I looked at some of the records, and finding a meaningful answer might take days.

My 45 deg. inclined 25 x 105 from Schneider Goettingen (Albert Tronnier (RIP), Chief Designer, who worked at Farrand and for Frankford Arsenal (defunct) in Philadelphia in the '50s and '60s. I corresponded with him briefly) is not coated. Most of those are not coated. The objectives are of telephoto construction, as in the similar Russian TAL (Novosibirsk) 90 deg field, yellow tint image 15 x 110, with 45 deg. inclination of the line of sight. I saw a specimen of a coated Schneider Goettingen 25 x 105 about six years ago. It is not far away. There was a 15 x 105 from them also. I have seen only one of those. IIRC, it was coated.

WW II German antireflection coatings have probably been discussed in the Peter Abrahams forum. Google gets into that forum.

#49 Gordon Rayner

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Posted 04 March 2012 - 02:03 AM

How do Abbe-Koenig prisms enhance stereo? Is not the axis of each objective lens separated from the axis of the other objective lens by the IPD distance? Am I missing something about Abbe-Koenig?

#50 Pinewood

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Posted 04 March 2012 - 08:37 AM

Hello Gordon,

On the Dialyt, the oculars are somewhat more closely spaced than the objective lenses. For a roof prism glass, this is unusual. So in comparison to Schmidt-Pechan, but not to Porro binoculars, there is a slight stereo effect.

Clear skies,
Arthur


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