Beck microscope thing ?

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Pete W.:
Hi there, Marv,

Please can you post a photo of your thread counting microscope?

Best regards,

Pete W.

Rob.Wilson:
Hi Pete :smart:

Well you sure no what your talking about :thumbup: ,

It came to me ,well shoved into my hands as is no box and about an 1/8 thick of dust , i had just gave it a quick clean before i brought it in doors . I will take a few better photos of it over the weekend .

The lens at the top has C 45MM E X6 and the other end is marked 32mm NA. 0.15 .

It dose have cross hairs , i had a look at a match box and i could see the dot pattern of the printing :)

The thing is what use could I put it too ?

Thanks Rob

Pete W.:

--- Quote from: RobWilson on November 01, 2012, 12:18:21 PM ---Hi Pete :smart:

Well you sure no what your talking about :thumbup: ,

SNIP!

The lens at the top has C 45MM E X6 and the other end is marked 32mm NA. 0.15 .

MORE SNIP!

The thing is what use could I put it too ?

Thanks Rob

--- End quote ---

Hi there, Rob,

If you think that, you haven't seen the ripostes I sometimes get to my posts on the Yahoo microscopy site! :hammer:

Your 32 mm objective has a magnification of x4, still high enough to be useful.

Folks get carried away thinking huge magnification is an advantage but all they usually get is bigger pictures of a blurred image and near zero working distance.

As it stands, you could use your instrument to measure thread pitches. Find it a box and put it on a shelf somewhere indoors and one day you'll have one of those eureka moments and say 'I know what I could use to solve this problem!' and the answer will be this microscope.

Most objectives are interchangeable (assuming they're designed for the same tube length) because the Royal Microscopical Society standardised the objective mounting geometry for both objectives and eyepieces (aka 'oculars'). Here's the spec for the RMS objective thread:

Here's another version:

Interestingly, they don't seem to agree! :bang: The statement that most manufacturers comply with this spec was true when those documents were written, it's less true nowadays but true enough to apply to most affordable kit on the amateur market.

I think I've got a scan of a Beck catalogue page showing several more vernier microscopes but feeding time has just been called at the Pete W. zoo so I'll post this now and maybe come back later.

Best regards,

Pete W.

srm_92000:

--- Quote from: RobWilson on November 01, 2012, 12:18:21 PM ---Hi Pete :smart:

Well you sure no what your talking about :thumbup: ,

It came to me ,well shoved into my hands as is no box and about an 1/8 thick of dust , i had just gave it a quick clean before i brought it in doors . I will take a few better photos of it over the weekend .

The lens at the top has C 45MM E X6 and the other end is marked 32mm NA. 0.15 .

It dose have cross hairs , i had a look at a match box and i could see the dot pattern of the printing :)

The thing is what use could I put it too ?

Thanks Rob

--- End quote ---

Absolutely no use whatsoever Rob.
You should just put it in a box and send it to me for safe disposal :clap:

Fergus OMore:
Hi Rob,
You could do what the oldies do and that is put in on your lathe. See Old Ned Westbury's Microscope on the Lathe which was in Model Engineer and is still on the net.

Otherwise, I could always pop down and buy you a pint or three and a dinner at the 'Sweaty Bobbie' in exchange.

Wor Norm

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