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by Ray Heath
15 Nov 2017, 20:44
Forum: Resources
Topic: Bellows fabric
Replies: 15
Views: 2290

Re: Bellows fabric

Thanks Andrew.
by Ray Heath
15 Nov 2017, 14:59
Forum: Resources
Topic: Bellows fabric
Replies: 15
Views: 2290

Re: Bellows fabric

Thanks Andrew, I actually knew all that but when you wrote calculate I thought maybe I'd missed something.

Why would back focal length be important?
by Ray Heath
15 Nov 2017, 11:38
Forum: Resources
Topic: Bellows fabric
Replies: 15
Views: 2290

Re: Bellows fabric

How would you calculate the focal length?

Where would be a good place to sell such a lens?
by Ray Heath
15 Nov 2017, 09:42
Forum: Resources
Topic: Bellows fabric
Replies: 15
Views: 2290

Re: Bellows fabric

G'day Andrew I acquired the camera and three lenses from a Facebook friend who bought them and some other old gear to save it all from being dumped. One of the lenses is a smaller Ross petzval of about 165mm focal length for which I've built a simple 5x4 box camera, though I've yet to really test it...
by Ray Heath
14 Nov 2017, 08:51
Forum: Resources
Topic: Bellows fabric
Replies: 15
Views: 2290

Re: Bellows fabric

Thanks Andrew, I appreciate you taking the time to post this.

It may well get me started if nothing else.

How did you go with your restoration project?

Ray
by Ray Heath
12 Nov 2017, 17:13
Forum: Resources
Topic: Bellows fabric
Replies: 15
Views: 2290

Re: Bellows fabric

Hey guys I recently acquired an antique wooden camera. It has no makers markings but from online research it is probably an Underwood Instanto circa 1896. The bellows has been 50% eaten by cockroaches. I've have not been able to find good instructions for making square non-tapering bellows. Could yo...
by Ray Heath
07 Jul 2017, 12:22
Forum: Digital
Topic: Ground glass image
Replies: 15
Views: 3433

Re: Ground glass image

A few more tests shots and then a quick drive to capture a few images in the late afternoon, yesterday.

2017-07-06-23ByngStreet-Tenambit-@f2point8-Sml.jpg


2017-07-06-Gypsy-Barrow-Tenambit-Sml.jpg


2017-07-06-AbandonedShop-Morpeth-Sml.jpg


2017-07-06-GoatFarmGate-Lorn-Sml.jpg
by Ray Heath
07 Jul 2017, 12:11
Forum: Digital
Topic: Ground glass image
Replies: 15
Views: 3433

Re: Ground glass image

Thank you Maris, great words that go someway to expressing my own feelings on images, photography and representation.
by Ray Heath
04 Jul 2017, 20:34
Forum: Digital
Topic: Ground glass image
Replies: 15
Views: 3433

Re: Ground glass image

So I did some experiments and built a prove of concept digital back for one of my sliding box cameras. It all seemed a bit big and clunky so I changed the design so that i could use the digital back on several of my 5x8 cameras. I have several 5x8s as that is my favourite format and one of the restr...
by Ray Heath
01 Jul 2017, 10:14
Forum: Digital
Topic: Ground glass image
Replies: 15
Views: 3433

Re: Ground glass image

Thanks Barry, I had considered what you propose, but unfortunately I know too little about optics to work out how one could achieve that.
I quite like the grainy artifacts. In fact I mostly shoot FB paper negs and then oil them before contact printing so that the grain shows in the final print.

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