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Equipment Discussions >> Binoculars

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rydberg
scholastic sledgehammer
*****

Reged: 02/25/04

Loc: Richmond, KY, USA
Re: Wide field japanese binoculars. new [Re: SMark]
      #5275298 - 06/17/12 08:02 AM

Hi Smark:
I agree with you conclusions. The Smc-Penney is probably the sharpest of my 8 wide angle 7x35's. The Ward a little less, but it may be due to its conditionsk (a little dirtier). Looking at your list, it seems I have some careful shopping to do . I too want a 13 deg FOV .
Marco


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GlennLeDrew
Postmaster
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Reged: 06/18/08

Loc: Ottawa, Ontario, Canada
Re: Wide field japanese binoculars. new [Re: rydberg]
      #5276549 - 06/18/12 03:40 AM

Simon,
The photo of the reticle installed in the monocular eyepiece looks like it might be not merely a flat plate, but rather a weak negative lens, like a Barlow. If so, this would certainly explain why you can't reach infinity focus. If not a negative lens, but a flat plate, then it would appear the glass thickness itself is responsible. A flat window (or a prism) in a focused beam will displace the focus rearward by an amount about equal to 1/3 the glass thickness.

So, your reticle is either a thick plate or a weak negative lens.


Marco,
Your wide angle 7X35 looks to have the same or very similar body casting and prism mounting plate as found on the Tasco World Class model.


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planetmalc
sage


Reged: 10/21/09

Re: Wide field japanese binoculars. new [Re: GlennLeDrew]
      #5276858 - 06/18/12 10:28 AM

Quote:


Marco,
Your wide angle 7X35 looks to have the same or very similar body casting and prism mounting plate as found on the Tasco World Class model.




Same pattern on the leathercloth, too.


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Simon S
Carpal Tunnel
*****

Reged: 01/07/07

Loc: Crawley West Sussex UK
Re: Wide field japanese binoculars. new [Re: planetmalc]
      #5277219 - 06/18/12 02:30 PM

Glenn, I must admit I held it up to look through and could not see any noticeable change in focal length. It could well be a negative lens.

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The Mekon
member


Reged: 01/19/08

Loc: Bowral NSW Australia
Nikon 7x50 IF new [Re: FrankL]
      #5280146 - 06/20/12 05:36 AM Attachment (56 downloads)

I thank the Lord for people's ignorance on fine binoculars.
Just picked up these Nikon 7x50 IF for a total of $39! (including postage) Sure they have ID markings scribed on the prism housing but the performance of this binocular is outstanding - why would you pay $100 for a pair of Chinese binoculars when you can have these?


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Simon S
Carpal Tunnel
*****

Reged: 01/07/07

Loc: Crawley West Sussex UK
Re: Nikon 7x50 IF new [Re: The Mekon]
      #5280209 - 06/20/12 07:21 AM

Great find Mekon. Are they clear inside?

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Simon S
Carpal Tunnel
*****

Reged: 01/07/07

Loc: Crawley West Sussex UK
Re: Nikon 7x50 IF new [Re: Simon S]
      #5280819 - 06/20/12 02:27 PM Attachment (48 downloads)

Just been going through my collection and found the Pentax 7x35 Marine.
This is a super binocular, better optically than the Nikon A series bright and super sharp with an almost flat field.
There is a reticule in the right eyepiece, but this is of little distraction.
The focus is through the oculars, making this binocular technically waterproof. High index prisms and what looks like early multi coatings make this a good performer.


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The Mekon
member


Reged: 01/19/08

Loc: Bowral NSW Australia
Re: Nikon 7x50 IF new [Re: Simon S]
      #5281158 - 06/20/12 06:34 PM

I really like the look of those Pentax 7x35 Simon. Almost a mini version of the 7x50 Tropical. The 7x50 IF I bought on ebay have not arrived yet. I believe the optcis on these are similar to the "Tropicals", perhaps smaller prisms. Many ships used to carry the 7x 50 IF model, when the managers were perhaps too tight to buy the slightly more expensive tropicals. A false economy in the long term as the tropicals go on forever.

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Simon S
Carpal Tunnel
*****

Reged: 01/07/07

Loc: Crawley West Sussex UK
Re: Nikon 7x50 IF new [Re: The Mekon]
      #5281778 - 06/21/12 03:31 AM

I have the Tropical and yes the Pentax is very similar in design.
Both great performers, as is my 8x30 Marine Pentax.


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Noggin the Nog
newbie


Reged: 11/27/08

Loc: Shropshire , UK
Re: Wide field japanese binoculars. new [Re: rydberg]
      #5285147 - 06/23/12 11:48 AM

Hi again , I have reently bought a pair of Cross and Herber 7x50 binoculars from E Bay . They are like new to be honest , I doubt if they have seen any action!
Japan made , and I would say possibly 70's at least
Has anyone any info about this make - there appears to be little or none on the net from what I can see??
I shall try and take a couple of decent photos later


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Simon S
Carpal Tunnel
*****

Reged: 01/07/07

Loc: Crawley West Sussex UK
Re: Wide field japanese binoculars. new [Re: Noggin the Nog]
      #5290375 - 06/26/12 03:56 PM

Noggin, we need photo's and the je , Jb number to hazard a guess on these binoculars.

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The Mekon
member


Reged: 01/19/08

Loc: Bowral NSW Australia
Re: Nikon 7x50 IF new [Re: Simon S]
      #5290754 - 06/26/12 09:57 PM

I have the 7x50 IF nikons now, beautiful condition aside from a smear or fungus inside somewhere. Can anyone point to a thread or site that shows how to remove the top plate? Remember these are IF not CF so removing the top plate may be different. (I have unscrewed the objective housing and it is not on this side) Thanks

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BillC
on a new path
*****

Reged: 06/04/04

Loc: Lake Stevens, WA, USA
Re: Nikon 7x50 IF new [Re: The Mekon]
      #5290770 - 06/26/12 10:04 PM

"(I have unscrewed the objective housing and it is not on this side"

You just messed up your collimation!

The PM I sent was for rubber armor, not Prostars. The screws are self-explanitory. I don't need the photo anymore as I have owned 2 and sold many.

BillC


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marcelof
sage


Reged: 05/24/10

Loc: Necochea,Bs As,Argentina
Re: Wide field japanese binoculars. new [Re: Simon S]
      #5291482 - 06/27/12 12:09 PM

[image][/image]

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marcelof
sage


Reged: 05/24/10

Loc: Necochea,Bs As,Argentina
Re: Wide field japanese binoculars. new [Re: marcelof]
      #5291487 - 06/27/12 12:12 PM

Only to know if there is some similarity with the "Tropical"
[image][/image]


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Simon S
Carpal Tunnel
*****

Reged: 01/07/07

Loc: Crawley West Sussex UK
Re: Wide field japanese binoculars. new [Re: marcelof]
      #5291517 - 06/27/12 12:31 PM

Mekon, the Nikon Tropical needs all the screws on the prism cover removed and then a good pull on the ocular to release it.
This should not make alignment a problem but I would clean the prisms in suite.


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idealistic
scholastic sledgehammer
*****

Reged: 12/31/10

Loc: massachusetts
Re: Wide field japanese binoculars. new [Re: Simon S]
      #5291660 - 06/27/12 02:02 PM

I just found a Windsor 7x35 in my storage unit, in a leather case. They say Japan, 10 degree, and have the # 33679 on them. I was surprised at the AFOV through these things, like looking through a pair of Naglers. Anyone know anything about them??

edit: I know next to nothing about binoculars...

Edited by idealistic (06/27/12 02:04 PM)


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Simon S
Carpal Tunnel
*****

Reged: 01/07/07

Loc: Crawley West Sussex UK
Re: Wide field japanese binoculars. new [Re: idealistic]
      #5291810 - 06/27/12 04:13 PM

Quote:

I just found a Windsor 7x35 in my storage unit, in a leather case. They say Japan, 10 degree, and have the # 33679 on them. I was surprised at the AFOV through these things, like looking through a pair of Naglers. Anyone know anything about them??

edit: I know next to nothing about binoculars...



Can you post a picture? Also there will be a JE and JB stamp on the hinges between the objectives. can you let us know what it is?


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idealistic
scholastic sledgehammer
*****

Reged: 12/31/10

Loc: massachusetts
Re: Wide field japanese binoculars. [Re: Simon S]
      #5292087 - 06/27/12 07:18 PM Attachment (40 downloads)

Heres one:

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idealistic
scholastic sledgehammer
*****

Reged: 12/31/10

Loc: massachusetts
Re: Wide field japanese binoculars. [Re: idealistic]
      #5292090 - 06/27/12 07:21 PM Attachment (39 downloads)

another:

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