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Search: Posts Made By: LPT
Forum: Zen Ray Tuesday 11th September 2018, 15:31
Replies: 9
Views: 441
Posted By LPT
I should clarify that when I removed the prism...

I should clarify that when I removed the prism cage from the binocular there were four visible marks along the edge of the metal prism housing where the four screws had pressed against it securing it...
Forum: Zen Ray Tuesday 11th September 2018, 14:01
Replies: 9
Views: 441
Posted By LPT
Well, I collimate using the sun images method...

Well, I collimate using the sun images method (see: https://sites.google.com/site/rchamon/home/sun-images-method-for-collimation-of-binoculars ) using a collimation board very much like the one shown...
Forum: Zen Ray Saturday 8th September 2018, 03:19
Replies: 9
Views: 441
Posted By LPT
Well, they are definitely repairable as long as...

Well, they are definitely repairable as long as no replacement parts are needed particularly optical components.

Sorry I didn't take any pictures, but disassembly is pretty straightforward if...
Forum: Zen Ray Friday 7th September 2018, 20:33
Replies: 9
Views: 441
Posted By LPT
ED2 7 x 36 Repair

About eight years ago we purchased a Zen Ray ZEN ED2 7 x 36 which quickly became my wife's favorite binocular for use at the lake. Over the years it has been exposed to quite a bit of rainfall and...
Forum: Zeiss Saturday 19th May 2018, 14:21
Replies: 8
Views: 719
Posted By LPT
"Dialyt. Does the name give a clue to a...

"Dialyt. Does the name give a clue to a glass/element format? (Like Sonnar, Planar, etc.)"

This is a good question which Seeger answers in his blue book page 54. He explains that the term "Dialyt"...
Forum: Others Thursday 29th March 2018, 17:28
Replies: 341
Views: 209,635
Posted By LPT
Additions to Vintage Binocular Collection The...

Additions to Vintage Binocular Collection

The following have been added to my collection since the last posting on
January 31, 2017:

1) Barton Linnard Ltd., Folding Minim 5.5x16
2) Bausch & Lomb...
Forum: Binoculars Monday 29th January 2018, 12:20
Replies: 33
Views: 1,903
Posted By LPT
I'll second Hermann's and Lee's comments. I have...

I'll second Hermann's and Lee's comments. I have the 7x50 B/GA T* and its sharpness of image even when compared to more modern 7x50's is highly noticeable and really quite amazing.
Forum: Binoculars Wednesday 17th January 2018, 12:47
Replies: 13
Views: 1,131
Posted By LPT
Does the name J.R. Hebditch ring a bell? He was a...

Does the name J.R. Hebditch ring a bell? He was a well-regarded British author and binocular retailer who wrote a number of pamphlets and books about binoculars, telescopes and birdwatching during...
Forum: Others Wednesday 29th November 2017, 15:28
Replies: 21
Views: 1,666
Posted By LPT
"...the eyepiece consists of only three...

"...the eyepiece consists of only three lenses."
In the illustration I see two lenses consisting of three elements i.e. a single element field lens and a two element eyelens.
Forum: Zeiss Wednesday 22nd November 2017, 21:52
Replies: 3
Views: 964
Posted By LPT
The binocular can be tested for phase coating....

The binocular can be tested for phase coating. See: http://www.birdforum.net/showthread.php?t=164208&highlight=phase+correction
Forum: Bushnell - Bausch & Lomb Sunday 19th November 2017, 16:33
Replies: 22
Views: 2,030
Posted By LPT
Yes, remove the small screw then unscrew and...

Yes, remove the small screw then unscrew and remove the ring with a number on it. Then the focus ring with diopter scaled is simply pulled off. I believe you will then see an aluminum or brass ring...
Forum: Bushnell - Bausch & Lomb Sunday 19th November 2017, 12:29
Replies: 22
Views: 2,030
Posted By LPT
The original M15 had rubber eyecups with built in...

The original M15 had rubber eyecups with built in flip out filters. In the A1 these eyecups were replaced with plastic ones with circular grooves to accept a snap-on one piece variable density...
Forum: Bushnell - Bausch & Lomb Thursday 16th November 2017, 22:02
Replies: 22
Views: 2,030
Posted By LPT
U.S. Army and Navy binoculars made 1944 and 1945...

U.S. Army and Navy binoculars made 1944 and 1945 should pretty much all be coated and some made earlier in the war will be too either because they were coated upon manufacture or in many cases...
Forum: Bushnell - Bausch & Lomb Thursday 16th November 2017, 17:40
Replies: 22
Views: 2,030
Posted By LPT
"I believe that that they are the initials of a...

"I believe that that they are the initials of a U.S. Army office who accepted the binoculars as fit for military service. As his initials appear on both Westinghouse and Kelvinator binoculars, I...
Forum: Binoculars Thursday 26th October 2017, 17:46
Replies: 19
Views: 4,285
Posted By LPT
Regarding the WW II German D.F. 10x80 "Flakglas"...

Regarding the WW II German D.F. 10x80 "Flakglas" mentioned in this thread this is to advise that a new book about it has recently been published: http://flakfernrohr.com/en_US/ .

I have a copy of...
Forum: Others Thursday 19th October 2017, 13:02
Replies: 14
Views: 1,481
Posted By LPT
There was also a Hensoldt Dialyt 7x42 likewise...

There was also a Hensoldt Dialyt 7x42 likewise made until 1963 which it may be.
Forum: Others Thursday 19th October 2017, 03:17
Replies: 14
Views: 1,481
Posted By LPT
Looks like a Hensoldt 10x50 Dialyt which were...

Looks like a Hensoldt 10x50 Dialyt which were made until 1963. Great bino in its day. AK prismed. See: http://www.holgermerlitz.de/ross10x50.html
Forum: Binoculars Sunday 1st October 2017, 23:56
Replies: 4
Views: 2,056
Posted By LPT
I've this one in my collection:...

I've this one in my collection: https://www.flickr.com/photos/binocwpg/5065781859/in/photolist-9Sfy92-aswfxe-8HDssx-a6qQPq-9ddpNq-9SfwDM Optical quality for single layer coatings and build quality...
Forum: Others Monday 4th September 2017, 03:48
Replies: 23
Views: 5,262
Posted By LPT
I can see see the first letter of the marking...

I can see see the first letter of the marking looks like H but it is actually an N, the name of the manufacturer being Nitsche & Günther, Optische Werke, Rathenow. During WW II the company was given...
Forum: Others Monday 28th August 2017, 15:33
Replies: 319
Views: 134,230
Posted By LPT
For IF just remove the prism plate screws and...

For IF just remove the prism plate screws and carefully lift the prism plate off to reveal the prism cage. For CF the IPD plate and locking nut underneath would have to be removed in order to remove...
Forum: Others Monday 28th August 2017, 14:35
Replies: 319
Views: 134,230
Posted By LPT
"Even though the I.F. line was dropped,...

"Even though the I.F. line was dropped, potentially up to three years prior, would Ross have had that much inventory in stock?"

There would have been a lot of parts interchangeability between the...
Forum: Bushnell - Bausch & Lomb Sunday 6th August 2017, 03:38
Replies: 19
Views: 6,097
Posted By LPT
I' m sorry to learn of this. Thank you, Graham,...

I' m sorry to learn of this. Thank you, Graham, for letting us know.
Frank
Forum: Binoculars Saturday 10th June 2017, 12:30
Replies: 104
Views: 131,564
Posted By LPT
Kershaw military and civilian binoculars had...

Kershaw military and civilian binoculars had different serial number series. I've compiled several pages of Kershaw civilian and military binocular serial numbers some with year indicators. Is there...
Forum: Binoculars Tuesday 6th June 2017, 23:44
Replies: 17
Views: 5,255
Posted By LPT
Well, as long as the binocular is comfortable to...

Well, as long as the binocular is comfortable to look through before disassembly (at the least it's conditionally aligned or close to it) then when you disassemble be sure to mark the exact positions...
Forum: Binoculars Monday 5th June 2017, 12:49
Replies: 17
Views: 5,255
Posted By LPT
Leitz sn # 486833 would have been made early...

Leitz sn # 486833 would have been made early post-war 1945 - 1946 (Leitz resumed civilian production almost immediately after the war selling to Allied servicemen). I think you're correct that it's...
Showing results 1 to 25 of 366
 


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