Fringe Canadians

[mshchem]

On, no question. My Pony 135 had front focus (triplet), as does my Jubilette (pre-War 35mm folder). Both produced good images, as do the hundreds or models of medium format folders with front focus (including my Super Ikonta B 532/16 and Moskva 5). It might well have been the case that it was easier to incorporate the rangefinder on strut folders like the Polaroid 100 family by moving the struts, which moves the entire lens board. Same true for bed folders like the roll-film Polaroids (Pathfinder, 110, etc.), linking to the rear of the rack was much easier than to a rotating lens element way out there.

There is a bit of lost definition, however, between Polaroid 667 or 669 or Fuji FP100c, FP3000b and SX-70 Time-Zero -- which I think is attributable to the longer diffusion path compared to peel-apart film. Like inserting a layer of acetate between negative and positive gives that little edge softness that makes an unsharp mask. FWIW, even being a good lens, I don't find Instax quite as sharp as peel-apart, either (though IMO the color Instax is better than the new Polaroid for sharpness -- Polaroid wins on contrast in the monochrome, though).

I'm trying to remember, but part of the fuzziness comes from the use of a mirror..... I was trying figure this out the other day, my SX70 focuses from 10 inches to infinity with no apparent changes in lens extension, no change in bellows.

 

[AgX]

At a camera with front-element focusing there is no barrel extension. And there is not even a bellows involved anyway in the SX-70, as the standard is fixed and the bellows attached to the standard. I do not know of a camera where the bellows is attached to the lens barrel.

Concerning a fuzziness, it cannot be caused by the mirror.

 

[Donald Qualls]

To expand on AgX, the mirror in the SX-70 (and other folding integral Polaroids -- they all need one because they expose the front of the print) is an optically flat first surface mirror. As long as the mirror itself isn't strained, it'll do nothing to the image but redirect it. And focusing with the front element (as all the sonar and SLR Polaroids do) involves only a couple millimeters of movement of that glass relative to the middle and rear groups, no movement of the standard.

 

[AgX]

I guess mschem mixed up the intricate design of the viewfinder path with that of the film-image path.

 

[Donald Qualls]

I guess mschem mixed up the intricate design of the viewfinder path with that of the film-image path.

Very possible -- the description of the SLR viewing path (if I've remembered it right, Fresnel beam-forming mirror where the image redirection mirror will be during exposure, flat mirror on the back of the moving mirror, two spatial filters, curved mirror in the viewfinder hood to display the filtered image -- who comes up with stuff like this!?) is enough to require real attention just to figure out what's happening.

 

[Paul Ozzello]

Fringe Canadians - "Greg & Darlene"

 

[Paul Ozzello]

Fringe Canadians - "Nico from Finland ;-)"

 

[Evergreen States]

These are really quite beautiful. What an inspired aesthetic choice for the subject matter!

 

[Paul Ozzello]

These are really quite beautiful. What an inspired aesthetic choice for the subject matter!

Thanks Evergreen !

 

[Paul Ozzello]

I haven't updated this thread recently but since the photographs will be exhibited in Ottawa in January maybe I should add some more content

Farmer Loyd :

 

[Paul Ozzello]

I added a new gallery on my website to promote Fringe. The opening/Vernissage will be January 26th at the Art+ Galerie in Ottawa.

I don't know how many Photrio members are from Ottawa but it would be great to meet some of you !



Paul

 

[Paul Ozzello]

@ic-racer - I welcome political discussion- the moderators not so much.