potts34
professor emeritus
Reged: 12/09/08
Loc: Derbyshire , England
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Re: x5 Bino Prism MK IV
[Re: potts34]
#3652123 - 02/28/10 03:54 AM
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Simon re your Wray Brystar 10x 50's, do they have the 3 or 5 lens element set up? and are there any grubscrews securing the objectives?
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Simon S
Carpal Tunnel
   
Reged: 01/07/07
Loc: Crawley West Sussex UK
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Re: x5 Bino Prism MK IV
[Re: potts34]
#3652153 - 02/28/10 04:54 AM
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Addition to Potts suggestions, don't get the covering to wet as it will shrink and split.
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binman
sage
Reged: 09/16/08
Loc: UK
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Re: x5 Bino Prism MK IV
[Re: Simon S]
#3652191 - 02/28/10 06:11 AM
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well my thumbs are sore but the paint is slowly coming off the metal parts revealing the anodised aluminium have tried picking the paint off the leather and some is coming off... having a go with these as they are worth the effort
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Simon S
Carpal Tunnel
   
Reged: 01/07/07
Loc: Crawley West Sussex UK
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Re: x5 Bino Prism MK IV
[Re: binman]
#3652210 - 02/28/10 07:04 AM
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Potts they use the 3 element setup and yes there are set screws locking the objectives. The Collimation is set via prism tilt screws and I needed an additional shim to get collimation right for my eyes.
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potts34
professor emeritus
Reged: 12/09/08
Loc: Derbyshire , England
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New arrivals
[Re: Simon S]
#3656697 - 03/02/10 03:36 PM Attachment (42 downloads)
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Ok chaps I took a punt on these 2 pairs recently, condition was described as being in "bad condition", however to be fair they aren't that bad.
The Britsh 6x30 is stamped BLOOMS LIMITED LONDON on left side prism plate and BRITSH MADE on the right hand side they also have x6 near the IPD securing wheel.
There are no other markings and collimation is by eccentric rings.
The lenses and prisms appear to be scratch free though one prism has a tiny bubble in it so this could affect the image, also all the covering has been removed.
I have cleaned them up but just need to collimate them. When I get some suitable 'leather' I will recover them and leave the rest alone, the only other thing is that a monkey has at sometime removed the RH occular with a pair of mole grips or similar and chewed up the housing, it is not really noticable and may file/sand out as there is plenty of thickness to the material.
Edited by potts34 (03/03/10 11:52 AM)
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potts34
professor emeritus
Reged: 12/09/08
Loc: Derbyshire , England
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Re: New arrivals
[Re: potts34]
#3656711 - 03/02/10 03:43 PM Attachment (46 downloads)
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another picture,
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potts34
professor emeritus
Reged: 12/09/08
Loc: Derbyshire , England
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Re: New arrivals
[Re: potts34]
#3656718 - 03/02/10 03:48 PM Attachment (56 downloads)
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And last picture of these, the build quality is really very good and well finished,though I have nver heard of this maker/supplier before,
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potts34
professor emeritus
Reged: 12/09/08
Loc: Derbyshire , England
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Re: New arrivals
[Re: potts34]
#3656741 - 03/02/10 04:05 PM Attachment (39 downloads)
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Next up and bought along with the Blooms are these French 7x22mm,again these are pretty much ok mechanically but they have been overpainted, again the lenses and prisms appear undamaged though they definately need collimating.
These are unmarked though I am sure these are made by HUET, the eyepiece assemblies have the Huet look,the prism securing clips are identical to Huet and the IPD cover scale is again a Huet item.
They are Marked L then in a different font M.G. for the French Ministry of War and very faint under the overpainting on the right hand prism cover is marked S1-38916 this equates to 1st grade prismatic binoculars serial number 38916 used by the British army in WW1.
There is a problem with these in that they need 2 of the small prism securing clips, one was missing and one broke on removing the prism.
Edited by potts34 (03/04/10 02:13 AM)
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potts34
professor emeritus
Reged: 12/09/08
Loc: Derbyshire , England
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Re: New arrivals
[Re: potts34]
#3656757 - 03/02/10 04:12 PM Attachment (43 downloads)
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the other end, curiously the bottom two prism plates are made from stamped steel(they also have the 'crows foot' marked on them) whilst only the right hand plate on the occular end is steel the left side is aluminium but both appear original.
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potts34
professor emeritus
Reged: 12/09/08
Loc: Derbyshire , England
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Re: New arrivals
[Re: potts34]
#3656760 - 03/02/10 04:14 PM Attachment (48 downloads)
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inside one of the prism housings!!!yes it's a bread bag clip!but it sort of does the job-ish
Edited by potts34 (03/02/10 04:15 PM)
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potts34
professor emeritus
Reged: 12/09/08
Loc: Derbyshire , England
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Re: New arrivals
[Re: potts34]
#3656764 - 03/02/10 04:16 PM Attachment (45 downloads)
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bottom axle cover,I cannot quite make out these markings but most likely 29 with a K underneath.
Edited by potts34 (03/02/10 04:25 PM)
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potts34
professor emeritus
Reged: 12/09/08
Loc: Derbyshire , England
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Re: New arrivals
[Re: potts34]
#3656771 - 03/02/10 04:17 PM Attachment (39 downloads)
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details shot of left hand plate markings L M.G. ,
occulars rotate but the eyecups do not again a common Huet feature.
Edited by potts34 (03/02/10 04:22 PM)
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potts34
professor emeritus
Reged: 12/09/08
Loc: Derbyshire , England
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Re: New arrivals
[Re: potts34]
#3656773 - 03/02/10 04:20 PM Attachment (40 downloads)
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The IPD scale cover,angles are Huet 'regulars' 72, 65 and 58 with 7x in the centre.
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potts34
professor emeritus
Reged: 12/09/08
Loc: Derbyshire , England
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Re: New arrivals
[Re: potts34]
#3656789 - 03/02/10 04:28 PM Attachment (42 downloads)
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and last couple of pics are of the little clips I need to secure the prisms, has anybody got any...they are 14mm hole centre to end and are 4mm high, the hole is 3mm
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potts34
professor emeritus
Reged: 12/09/08
Loc: Derbyshire , England
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Re: New arrivals
[Re: potts34]
#3656791 - 03/02/10 04:28 PM Attachment (37 downloads)
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side view of same item, I am pretty sure these are only meant to hold the prism in place whilst it is collimated and then Plaster of Paris is put either side to secure the prisms in place naking then virtually unmovable.
Edited by potts34 (03/02/10 04:32 PM)
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potts34
professor emeritus
Reged: 12/09/08
Loc: Derbyshire , England
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Re: New arrivals
[Re: potts34]
#3658192 - 03/03/10 12:01 PM
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I have finished cleaning the Blooms 6x30's and have to report that they are most satisfactory, the image is very crisp and bright considering it is uncoated also it gives a good 3D image...it is easily as good as as a WW2 Kershaw 6x30 and to be fair optically I think it's almost as good as a Zeiss Silvarem from around 1914 though the field is not quite as wide.
The small bubble in the RH top prism is only very,very faintly visible and then only as a ghost 'spot' and if you look for it.
Overall quite impressed by these whoever made them, I just need to recover them and then set aboput the Huet? 7x22's ... now that will be a different story at a guess!
Edited by potts34 (03/03/10 12:20 PM)
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Simon S
Carpal Tunnel
   
Reged: 01/07/07
Loc: Crawley West Sussex UK
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Re: New arrivals
[Re: potts34]
#3658267 - 03/03/10 12:36 PM Attachment (39 downloads)
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Good review of your latest finds Potts. Zeiss binoculars quite often have air in the prisms, but mainly the early models around 1930.
This is my latest find.
Although there is no makers name on this instrument I am sure it's A Ross budget "Solaross" model and indeed this binocular had a broken focus arm which was replaced with a Solaross part that fitted perfectly.
The only markings are US Pattern and Int.OG Lens?
Anyone seen one of these before?
They still need cleaning but I have a feeling the might be OK?
Edited by Simon S (03/03/10 12:37 PM)
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Bensi
professor emeritus
Reged: 02/22/09
Loc: Italy, Near Rome
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Re: New arrivals
[Re: Simon S]
#3659638 - 03/04/10 03:11 AM
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Hey guys!
What wonderful binoculars are buying!
My compliments!
bye
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potts34
professor emeritus
Reged: 12/09/08
Loc: Derbyshire , England
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BLOOMS 6x30 update
[Re: Bensi]
#3660474 - 03/04/10 02:15 PM Attachment (49 downloads)
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OK gentlemen further investigation into the Blooms 6x 30 leads me to believe it could in fact be an early Zeiss Marine glass why, well
1. the eyecups from a Zeiss 6x30 Silvarem fit perfectly as do the ones from a 6x24 Telact.
2. the objectives from the same Silvarem fit perfectly.
3. the military style IPD lock looks identical to the one on early Marine glasses.
4. the IPD scale on a Telact I have fits perfectly and has the same marking though the ones on the Blooms are inlaid with 'silver' wire '60,70'( though the retaining screw is slightly different).
4. the prism cover both top and bottom are identical to my 6x 30 Silvarem.
5. the prism retaining strips again are identical to my 6x 30 Silvarem as are the retaing screws.
6. The prisms are identical.
7. the objective 'beauty' rings have the Zeiss type anti reflection grooves.
8. the markings on the oculars are identical to others I have seen in font etc, the lens is also 13mm as in Zeiss.
The only difference I can see is that on the Bloom version there are no prism shrouds though they did have a 'make shift' baffle fitted (this is made out of thin brass sheet painted black).
The interior of the body appears very close indeed if not identical to my Silvarem.
So is it Zeiss?, as I said previously the image/ view is excellent and field is on a par with the Silvarem.
Perhaps they were stock binoculars that had the Zeiss marking polished out and the BLOOMS LIMITED LONDON and BRITISH MADE stamped in along with the X6 in the same font to help with the selling of them due to anti German feelings at the time.
It seems to me that a decent binoculars like this would have been marked/stamped by it's maker in a more proud and bold manner, but who knows? extra pitures on my Flikr page.
Edited by potts34 (03/04/10 02:18 PM)
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Simon S
Carpal Tunnel
   
Reged: 01/07/07
Loc: Crawley West Sussex UK
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Re: BLOOMS 6x30 update
[Re: potts34]
#3660656 - 03/04/10 03:33 PM
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Are you sure Blooms is not the sellers name stamped on them Potts? They must have been made by Zeiss if all the parts are identical? I think it's a Zeiss.
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