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paulc
21st November 2012, 01:56 PM
On a recent trip to Cumbria, I had the misfortune to break the glass on my Wista Field. The fresnel screen luckily survived unscathed, probably saved by the thin plastic film I had printed a grid on and sandwiched between the two. Managed to find a picture framer in Windemere that kindly cut a small sheet of perspex as a temporary repair.

Teamworks, whilst listed as the "official" agent for Wista in the UK do not carry any significant stock of spares. The broken glass measured 1.2mm thick, so I figured it might be possible to get a replacement cut by a local glazer - 2mm is the thinnest stocked by all but specialist suppliers.. UQG Optics (http://www.uqgoptics.com/) in Cambridge can supply just about any specialist glass (I've used them in the past), but the price quoted for float glass was eye watering. Going a little further afield, Chance Glass (http://www.chanceglass.co.uk/) turned up in a search for large microscope slides. A phone call quickly established that they could supply just what I wanted at a very reasonable price - Also wanted some glass big enough to do some hand poured plates which just happen to be almost the same size as the Wista glass.

If anyone has a need for thin float glass, I can heartedly recommend Chance Glass (http://www.chanceglass.co.uk/). A week to turn the order round and supplied a few extra pieces above what I'd ordered.


Boot note: 5"x4" is a standard size for large microscope slides and can be had up to 5"x7" off the shelf.

Adrian
22nd November 2012, 12:55 PM
Thanks for the Infor Paulc. I was considering grinding my own spare ground glass, but if this company is reasonable why would I bother? Do you have a product code and price?

paulc
22nd November 2012, 01:54 PM
I was considering grinding my own spare ground glass, but if this company is reasonable why would I bother? Do you have a product code and price?

The Wista uses a plain glass over the top of a fresnel screen and doesn't have a ground glass as such. It may be possible to get a ground surface on a sheet of glass from Chance, but I don't know how much they would charge - I suspect they could do it as a custom job, but would need dimensioned drawings.

The "heads up" was more as a source of thin (1.2-1.3mm) plain glass for anyone gearing up to do wet/dry plate or Wista owners. Sorry for any confusion caused.

Phil
23rd November 2012, 09:29 AM
I needed some of those round ended nuts for my DX and wrote to Wista directly after getting no reply from Teamwork. A helpful person called Matsuse KyungRan got back to me almost immediately and we sorted it all out - very very helpful. It won't be cheap but it might be the way to go.
Their e address was:
wista at nifty dot com

Phil

Argentum
23rd November 2012, 03:11 PM
there is a company in holland who make ground glasses.

http://www.stabitech.nl/

I think there standard ones are ground but contacting them may enable you to see if they supply unground glass cut to size for any make of camera. They certainly do the bosscreen for wista so they have the unground glass of the right size. (I'm not recommending a bosscreen)