Old Zeiss 10x25 Binoculars With Strange Focus Wheel.. (1 Viewer)

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binomaniac

Well-known member

• Nov 13, 2015

• #1

HI, I found an 10X25 old zeiss for sale at a great price, the model with a strange focus wheel attached to the binoculars like and old phone dial wheel. I don t see any diopter wheel and i wonder how the dioptric correction can be made at this binoculars.

 

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binomaniac

Well-known member

• Nov 13, 2015

• #2

http://www.ebay.de/itm/Zeiss-Ferngl...655157?hash=item2a5b8df035:g:9W0AAOSwv0tVExdQ THE BINO IS LIKE THIS BUT 10X25

 

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Binastro

Well-known member

• Nov 13, 2015

• #3

Independent eyepiece focus?

 

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binomaniac

Well-known member

• Nov 13, 2015

• #4

I don't think so, i don't have the bino in my hand ,i only saw him on photo and seems to have only one big central focus wheel and nothing else for diopter correction. A totally mister for me.

 

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binomaniac

Well-known member

• Nov 13, 2015

• #5

A totally mystery. sorry !

 

Troubador

Moderator

Staff member

Supporter

• Nov 13, 2015

• #6

Teledial Zeisses

The centre wheel certainly appears to be the focus wheel as in different pics it can be seen if different rotated positions.

I suspect the dioptre adjustment is around the back, behind the focus wheel.

Lee

 

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berryns

Well-known member

• Nov 13, 2015

• #7

I've never seen the model in person but I recall someone saying it lacks a diopter adjustment.

This 10x25 model, and its 8x20 companion, weren't around for a long time probably due to the lack of diopter adjustment.

 

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binomaniac

Well-known member

• Nov 13, 2015

• #8

I saw pictures with the back of bino but there is nothing. In any case I hope it will arrive on Monday and i managed to figure up how supposed to fix the diopter

 

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binomaniac

Well-known member

• Nov 13, 2015

• #9

(This 10x25 model, and its 8x20 companion, weren't around for a long time probably due to the lack of diopter adjustment.) Thank you very much , in this case i already regret the purchasing

 

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binomaniac

Well-known member

• Nov 13, 2015

• #10

Thanks To All And I Hope I Can Return The Bino If I Would Not Be Able To Obtain A Decent Image On Both Eye !

 

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Gijs van Ginkel

Well-known member

• Nov 13, 2015

• #11

Binomaniac,
It is a very nice collectors item and I had no trouble using it, when I tried it.
Gijs

 

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binomaniac

Well-known member

• Nov 14, 2015

• #12

Thank you Gijs, i am already feel better. I think it would be good for my collection. Best regards !

 

garymh

Binocular Engineer

• Nov 16, 2015

• #13

Hi,

There is no dioptre adjustment control on this model.

 

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jring

Well-known member

• Nov 16, 2015

• #14

Hi,

indeed there's these old Zeiss West 8x20B and 10x25B models with the flat focus wheel (B for Brille or spectacles) which don't have a diopter due to the rationale that with spectacles both eyes should be corrected to 100% (or at least equally).

The later version (also labelled B) which looks roughly like the current Conquest Compact has a diopter again. And the earliest versions of 8x20 (w/o B) had individual focus but hard eyecups so were not really useful with spectacles.

Joachim

 

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binomaniac

Well-known member

• Nov 16, 2015

• #15

Thanks , jring , so that's the explanation for absence of the diopter . I received today the bino and to my surprise fit perfectly for my both eyes no need diopter even i not use glasses. But contrast is poor and central wheel is very hard to adjust with one fingers. Also light transmision is very low

 

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jring

Well-known member

• Nov 16, 2015

• #16

Well, then your eyes are maybe not perfect but at least equal. As for the light transmission and contrast - these are certainly not phase coated and have no dielectric mirror due to their age so contrast will be lower than current models. Regarding transmission you can look for the T or T* logo. T = Single coated, T* = Multi coated.

Joachim

 

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binomaniac

Well-known member

• Nov 18, 2015

• #17

I had an zeiss 8x20 B T definitely better light transmission and contrast. Thank you for clarification regarding T and T* . so the Dialyt 7x42 bgaT*P* is better den bga T*P. Good to know because i want to buy one someday and i want to be one of the best made if it is possible.

 

Troubador

Moderator

Staff member

Supporter

• Nov 18, 2015

• #18

binomaniac said:

so the Dialyt 7x42 bgaT*P* is better den bga T*P.

Click to expand...

Actually no.

P was only changed to P* to bring into line with T*. The * did not, in this case, indicate any upgrading.

Lee

 

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binomaniac

Well-known member

• Nov 19, 2015

• #19

So an 7x42 bga t*p would be ok . Thank you Troubador .

 

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jring

Well-known member

• Nov 19, 2015

• #20

And to further add to the confusion Zeiss chose to leave out P/P* out completely on their latest models since they aren't producing anything without phase coating any more...

Joachim