Re: [pinhole-discussion] cold devo blues

2003-12-14 Thread Stewart C. Russell
Gordon J. Holtslander wrote: Some can be used at sub-zero temperatures with the addition of alcohol. I was at a lecture long ago about the photographic techniques used by the British Antarctic Survey at the south pole. I half-remember them claiming they had a Kodachrome lab down there, but I

Re: [pinhole-discussion] Raytex Pinhole

2003-08-06 Thread Stewart C. Russell
Adrian Morgan wrote: i just ordered a raytex pinhole, with a bessa-l - any tips on using it? you'll probably need a viewfinder -- it's about 30mm focal length. Arsenal Kiev made some that might work that you can get cheaply on eBay. I found that it flares if you point it straight into the s

Re: [pinhole-discussion] Lubitel

2003-08-04 Thread Stewart C. Russell
Brunson, Shannon wrote: > Hi I am new to Pinhole photography. Has anyone had any experience with those zero image cameras advertised on the site? yes, I have the Zero 2000 6x6, which I bought secondhand. Couldn't be happier with it. Some of my pinhole photos -- about half with the Zero 2000

Re: [pinhole-discussion] What is the best scanner?

2003-07-23 Thread Stewart C . Russell
Traci Bunkers wrote: > > I also have the Epson 2450 Sometimes the > software seems kind of slow Try VueScan from Hamrick Software -- http://www.hamrick.com -- it's extremely good. The Epson USB1 scanners can be a bit slow on large, high resolution images. Stewart

Re: [pinhole-discussion] coverage

2003-06-24 Thread Stewart C. Russell
Ricardo Wildberger Lisboa wrote: > Could anyone explain why "about 4 stops of falloff at ghe edges" ? that was from an off-list response. I was told that light falloff is proportional to cos^4 of the off-axis angle. So for 120 degrees symmetrical coverage, that would be cos^4 (120/2). As cos

Re: [pinhole-discussion] coverage

2003-06-24 Thread Stewart C. Russell
Stewart C. Russell wrote: hmm, so that means I could have a 10.4mm focal length ... If I hadn't forgotten about the diagonals -- foo! Stewart

Re: [pinhole-discussion] coverage

2003-06-24 Thread Stewart C. Russell
George L Smyth wrote: You can figure on about 120 degrees of coverage. hmm, so that means I could have a 10.4mm focal length, with about 4 stops of falloff at the edges, on a 36x24 frame. Hmm, now how to mount this thing inside my rangefinder ... cheers, Stewart

[pinhole-discussion] coverage

2003-06-24 Thread Stewart C. Russell
What's the formula for coverage from a pinhole? I'm wondering how close I can get to make an (ultra)wide for my 35mm rangefinder. thanks, Stewart

Re: [pinhole-discussion] film flatness

2003-06-22 Thread Stewart C. Russell
thanks, Mark. I had an interior shot of Union Station, um, interestingly distorted today. Maybe I should stop using that very thin-base Ilford PanF+, but I love it so. Stewart

[pinhole-discussion] film flatness

2003-06-22 Thread Stewart C. Russell
After running two rolls through my new (well, to me, anyway) Zero 2000 camera, I notice that the edges of the negative show that the film is anything but flat. I guess this won't affect the sharpness of the image, just the rectilinearity? I like the camera, I just wish the frame indicator we

Re: [pinhole-discussion] Light metering with TTL camera's

2003-06-17 Thread Stewart C. Russell
Wally & Wolfgang Thoma-Schuermans wrote: > Imagine, I want to use a body cap with a pinhole with a reflex camera. Any ideas if I can use the TTL light meter of the camera, eventually in combination with David Balihar's calculator? I'm guessing not, unless your camera has stop-down metering, wh

[pinhole-discussion] rangefinder pinhole tests

2003-06-14 Thread Stewart C. Russell
I knocked together a pinhole bodycap for my bessa-r. I think it might have a slight vignette in one corner, but I like the results (albeit lacking in artistic merit): I'm looking forward to getting the "proper" Raytex one. It shouldn't vignette

Re: [pinhole-discussion] Bessaflex

2003-06-12 Thread Stewart C . Russell
Wally & Wolfgang Thoma-Schuermans wrote: > > Nothing to do with pinholing, but anyway: Any > idea where I can find more > details over the Bessaflex? there was a translation on the Cosina-Voigtlaender mailing list. Since it's basically a Bessa-R2 with a prism, the mechanical spec will be the sa

Re: [pinhole-discussion] westmark industries/nikon fe lightweight???

2003-06-11 Thread Stewart C . Russell
callum moffat wrote: > > picking a fight(im also scottish, something we > do!!!) why do you think I left, then? ;-) > the nikon fe10 Ah, I was mistaken. The Cosina chassis is solid die-cast metal, and with a decent casing makes a solid camera. The Voigtlaender Bessa R-2 (in its various Leica,

[pinhole-discussion] yay!

2003-06-09 Thread Stewart C. Russell
I finally got some decent images out of one of my home-made cameras last night. It's based on a mailing box, takes a whole sheet of photographic paper nicely. f=60mm, with a pleasingly soft f/75 (0.8mm) aperture. I would have posted last night, but that pesky Toronto Hydro* decided we didn't n

Re: [pinhole-discussion] Westmark Industries/Raytex

2003-06-06 Thread Stewart C. Russell
G.Penate wrote: That camera is perhaps the ideal "real" 35mm camera to use for pinholing Acting devil's advocate (I'm Scottish, it's something we do): * the internal metering cell might prevent you fitting a recessed pinhole. * if you manage to get past the cell, the L, like all CV rangefind

Re: [pinhole-discussion] Westmark Industries/Raytex

2003-06-05 Thread Stewart C . Russell
Guillermo wrote: > > You lost it by less than a buck those darn snipers ... I mailed Helmut, and he's selling them off eBay for US$39 (in shipping from Australia). He takes PayPal. > What about getting a body cap and making your > own pinhole body cap. Thanks for the ebay link. I do actually

[pinhole-discussion] Westmark Industries/Raytex

2003-06-04 Thread Stewart C . Russell
Does anyone use equipment made by Helmut Weber/Westmark Industries/Raytex, from Perth, Western Australia? I notice he/they make an Leica screw pinhole body cap. I don't know about pricing or availability -- I just got outbid for one on eBay Their website seems to be a little out of date:

Re: [pinhole-discussion] wish me luck!

2003-06-01 Thread Stewart C. Russell
Guillermo wrote: ... now we have drunks, were will it end? I'd like to point out that these tubes were collected over a period of nearly a year. it just mentions that people owning graphic programs with measuring capabilities, like Photoshop "Measure Tool" can measure the pinhole directly

[pinhole-discussion] wish me luck!

2003-06-01 Thread Stewart C. Russell
I'm new to the list -- and by geographical coincidence, almost a neighbour of Guillermo. I've made three cameras (out of whisky bottle tubes), cut and measured my pinholes (using a modification of Guillermo's flatbed technique), and made three exposures. I'm just about to develop them ... ch