Measurement of the Ground Glass of a Shen-Hao HZX45-IIA

jacques · Oct 5, 2014

Hi,
I am thinking of changing the GG on my 4x5 camera and I was wondering if someone can help me with the exact measurement of the Ground Glass of a Shen-Hao HZX45-IIA.
Thank you
Jacques

Mick Fagan · Oct 6, 2014

127.8mm by 101.4mm but realistically there are tolerances that are within .05 mm here as we are talking natural movement with the wood so you need a little play.

My groundglass, which as far as I know, is factory OEM is ever so slightly short on one ¼ of the long side as it's not exactly 100% square sided, if you get my drift.

You could probably pull around 1mm back from those measurements and still have a very good fitting GG.

Mick.

jacques · Oct 6, 2014

Thank you Mike, I think I'll go with 127mm x 101mm.
Jacques

Mick Fagan · Oct 6, 2014

Jacques, I just wondered if you are requiring a new GG, why don't you just measure your own camera?

Mick.

TheFlyingCamera · Oct 6, 2014

Jacques - when I used to have a Shen-Hao HZX-45 AII, I swapped the factory ground glass for the ground glass and fresnel of a Canham 4x5 Wood Field. While the Shen-Hao may not have been made to that exact specification, the Canham ground glass/fresnel fit perfectly and I never had an out-of-focus image due to using that combination on my Shen-Hao.

jacques · Oct 6, 2014

Mick Fagan said:
Jacques, I just wondered if you are requiring a new GG, why don't you just measure your own camera?

Mick.

I have measure it with a simple ruler and the measurements that I have are approximately 127mm by 101mm. I wish I had a precision tool to measure it.
Jacques

Rudolf Karachun · Oct 6, 2014

The dimensions 101 x 127.5. All dimensions given in millimeters and precisely
taken with machinist caliper.
The 0.5 millimeters gap from both sides between the wooden housing and the glass
already taken in the account.

jacques · Oct 6, 2014

Rudolf Karachun said:
The dimensions 101 x 127.5. All dimensions given in millimeters and precisely
taken with machinist caliper.
The 0.5 millimeters gap from both sides between the wooden housing and the glass
already taken in the account.

Thank you Rudolf it is really appreciated.
Jacques

Measurement of the Ground Glass of a Shen-Hao HZX45-IIA

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