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External
Since: Apr 12, 2005
Posts: 14
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(Msg. 1) Posted: Thu Apr 14, 2005 8:08 pm
Post subject: LF Reflex Viewier
Archived from groups: rec>photo>equipment>large-format (more info?)
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I've been considering making a 4x5 reflex finder - just one mirror to put
the image upright (not correct L to R), mainly to obviate a dark cloth.
The question concerns the mirror. Do I need a surface plated mirror or would
a thin glass mirror suffice? If I need a surface plated one, where would one
find one?
TIA! |
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External
Since: Oct 31, 2004
Posts: 906
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(Msg. 2) Posted: Thu Apr 14, 2005 8:08 pm
Post subject: Re: LF Reflex Viewier [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On 4/14/2005 6:08 PM J.Scheimpflug spake thus:
> I've been considering making a 4x5 reflex finder - just one mirror to put
> the image upright (not correct L to R), mainly to obviate a dark cloth.
>
> The question concerns the mirror. Do I need a surface plated mirror or would
> a thin glass mirror suffice? If I need a surface plated one, where would one
> find one?
No need for a first-surface mirror, unless you're obsessed with having the
brightest and clearest image possible. (Likewise, no need for a thin mirror--a
thick one would do just as well.) With a back-coated mirror, you might get a
faint double reflection. It should work well otherwise. Hell, it's cheap
enough--why not just try it?
--
"I know I will go to hell, because I pardoned Richard Nixon."
- Former President Gerald Ford to his golf partners, as related by
the late Hunter S. Thompson<!-- ~MESSAGE_AFTER~ --> |
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External
Since: Aug 07, 2004
Posts: 65
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(Msg. 3) Posted: Fri Apr 15, 2005 3:55 am
Post subject: Re: LF Reflex Viewier [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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David Nebenzahl wrote:
> On 4/14/2005 6:08 PM J.Scheimpflug spake thus:
>
>> I've been considering making a 4x5 reflex finder - just one mirror to
>> put the image upright (not correct L to R), mainly to obviate a dark
>> cloth.
>>
>> The question concerns the mirror. Do I need a surface plated mirror or
>> would a thin glass mirror suffice? If I need a surface plated one,
>> where would one find one?
>
>
> No need for a first-surface mirror, unless you're obsessed with having
> the brightest and clearest image possible. (Likewise, no need for a thin
> mirror--a thick one would do just as well.) With a back-coated mirror,
> you might get a faint double reflection. It should work well otherwise.
> Hell, it's cheap enough--why not just try it?
>
>
Yes this might work but out of my experience, the double image coming
from the frontside of the mirror (glass=4% reflection) can be pretty
disturbing...I would go for the front side mirror, despite its higher
price. Better safe than sorry - !
Regarding thickness - no worries, mate, go for the thicker one, it is
only heavier....but probably less expensive!
rgds George<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: LF Reflex Viewier |
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External
Since: Mar 25, 2005
Posts: 45
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(Msg. 4) Posted: Fri Apr 15, 2005 8:18 am
Post subject: Re: LF Reflex Viewier [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Dr. Georg N.Nyman" <gnnyman.TakeThisOut@swissonline.ch> wrote in message
news:d3nngv$njm$1@news.hispeed.ch...
> Yes this might work but out of my experience, the double image coming from
> the frontside of the mirror (glass=4% reflection) can be pretty
> disturbing...I would go for the front side mirror, despite its higher
> price. Better safe than sorry - !
> Regarding thickness - no worries, mate, go for the thicker one, it is only
> heavier....but probably less expensive!
Thank you for that. It is what I need to know. I will go for the
surface-mirror.<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: LF Reflex Viewier |
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External
Since: Sep 07, 2003
Posts: 32
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(Msg. 5) Posted: Fri Apr 15, 2005 3:37 pm
Post subject: Re: LF Reflex Viewier [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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You might want to try to find one of these:
<a style='text-decoration: underline;' href="http://www.hemenway.com/PolaroidReflex.jpg" target="_blank">http://www.hemenway.com/PolaroidReflex.jpg</a>
It's from some Polaroid photo id unit. It has the mirror already
inside, and if you file down that little tube on the side, just a bit,
and another just like it on the other side, then it will fit nicely into
a Graflok back replacing the folding hood.
I bought this one on ebay for too much $$$ a couple of years ago and
have seen them at reasonable prices there occasionally.
I'm slowly turning an old Speed Graphic carcass into a dedicated fisheye
camera and plan to use this thing on the back.
Jim
J.Scheimpflug wrote:
> I've been considering making a 4x5 reflex finder - just one mirror to put
> the image upright (not correct L to R), mainly to obviate a dark cloth.
>
> The question concerns the mirror. Do I need a surface plated mirror or would
> a thin glass mirror suffice? If I need a surface plated one, where would one
> find one?
>
> TIA!
>
><!-- ~MESSAGE_AFTER~ --> >> Stay informed about: LF Reflex Viewier |
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External
Since: Mar 25, 2005
Posts: 45
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(Msg. 6) Posted: Fri Apr 15, 2005 3:37 pm
Post subject: Re: LF Reflex Viewier [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Jim Hemenway" <Jim.DeleteThis@hemenway.com> wrote in message
news:42601800.8000504@hemenway.com...
> You might want to try to find one of these:
<font color=purple> > <a style='text-decoration: underline;' href="http://www.hemenway.com/PolaroidReflex.jpg</font" target="_blank">http://www.hemenway.com/PolaroidReflex.jpg</font</a>>
Thanks for that, but I have two of those. Unfortunately the fit isn't right
and the amount of work to make it so is about the same as making a new one
from scratch. (They were part of the Polaroid MP copy cameras.)<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: LF Reflex Viewier |
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External
Since: Nov 14, 2003
Posts: 111
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(Msg. 7) Posted: Fri Apr 15, 2005 3:57 pm
Post subject: Re: LF Reflex Viewier [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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I purchased an old Curtis Color Camera in 5x7 from the original owner some
time back and he rigged just that--using a cheap mirror and constructing a
frame and then a cover on top--kinda crude but looks great--never used it
for taking but have viewed through it. If you want a pic just let me know!!
(He showing me an article that gave the directions how to build it--I didn't
take his papers!! I have the two-piece Linhof verson on my 4x5 Mast. Tech
and I really like it---Dang Can I rig one on my Deardorff 8x10???????????
Hmmm!! Any one tried that ? I've a spare 8x10 back in poor condition that I
wouldn't mind rigging!
Jos. Burke
"jjs" <jjs.DeleteThis@jjs.jjs> wrote in message
news:115vfolj4ugen79@news.supernews.com...
> "Dr. Georg N.Nyman" <gnnyman.DeleteThis@swissonline.ch> wrote in message
> news:d3nngv$njm$1@news.hispeed.ch...
>
> > Yes this might work but out of my experience, the double image coming
from
> > the frontside of the mirror (glass=4% reflection) can be pretty
> > disturbing...I would go for the front side mirror, despite its higher
> > price. Better safe than sorry - !
> > Regarding thickness - no worries, mate, go for the thicker one, it is
only
> > heavier....but probably less expensive!
>
> Thank you for that. It is what I need to know. I will go for the
> surface-mirror.
>
><!-- ~MESSAGE_AFTER~ --> >> Stay informed about: LF Reflex Viewier |
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External
Since: Mar 25, 2005
Posts: 45
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(Msg. 8) Posted: Fri Apr 15, 2005 3:57 pm
Post subject: Re: LF Reflex Viewier [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Jos. Burke" <josburke.TakeThisOut@bellsouth.net> wrote in message
news:ZXU7e.80098$wo1.24489@bignews6.bellsouth.net...
>[...] I have the two-piece Linhof verson on my 4x5 Mast. Tech
> and I really like it---
Flimsy thing for what it cost, ain't it?
> Dang Can I rig one on my Deardorff 8x10???????????
> Hmmm!! Any one tried that ? I've a spare 8x10 back in poor condition that
> I
> wouldn't mind rigging!
I've a few spares, too. Let's go for it. Heck, let's make a pentaprism for
an 8x10!<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: LF Reflex Viewier |
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External
Since: Jun 23, 2004
Posts: 1182
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(Msg. 9) Posted: Fri Apr 15, 2005 11:25 pm
Post subject: Re: LF Reflex Viewier [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"jjs" <jjs.TakeThisOut@jjs.jjs> wrote in message
news:11608f5svofrv89@news.supernews.com...
>
> "Jos. Burke" <josburke.TakeThisOut@bellsouth.net> wrote in message
> news:ZXU7e.80098$wo1.24489@bignews6.bellsouth.net...
> >[...] I have the two-piece Linhof verson on my 4x5 Mast. Tech
> > and I really like it---
>
> Flimsy thing for what it cost, ain't it?
>
> > Dang Can I rig one on my Deardorff 8x10???????????
> > Hmmm!! Any one tried that ? I've a spare 8x10 back in poor condition
that
> > I
> > wouldn't mind rigging!
>
> I've a few spares, too. Let's go for it. Heck, let's make a pentaprism for
> an 8x10!
>
LOL, don't forget you'll need to canibalise a golf buggy for the wheels and
electric motor you'll need to move that lump of glass about...
Peter<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: LF Reflex Viewier |
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External
Since: Apr 15, 2005
Posts: 12
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(Msg. 10) Posted: Fri Apr 15, 2005 11:25 pm
Post subject: Re: LF Reflex Viewier [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Bandicoot" <"insert_handle_here"@techemail.com> wrote in message
news:1113617003.80400.0@doris.uk.clara.net...
> [jjs]
>> I've a few spares, too. Let's go for it. Heck, let's make a pentaprism
>> for
>> an 8x10!
> LOL, don't forget you'll need to canibalise a golf buggy for the wheels
> and
> electric motor you'll need to move that lump of glass about...
Aw heck, let's apply for a military grant and move it around on a tractor.<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: LF Reflex Viewier |
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External
Since: Sep 20, 2004
Posts: 122
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(Msg. 11) Posted: Fri Apr 15, 2005 11:51 pm
Post subject: Re: LF Reflex Viewier [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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When I bought my Wista DX, I bought the reflex finder made for it as
well. I have rarely used it for several reasons. Without the
accompanying fresnel lens to make the image brighter, it's so dark as to
be virtually unusable; with the fresnel, the image appears skewed
offline, especially with a wide angle lens, or when any movements are
made. With movements, the skewing becomes worse and vignetting (not on
the film, but in the viewfinder) occurs. All this to say I doubt you'll
find the effort worth it.
J.Scheimpflug wrote:
>I've been considering making a 4x5 reflex finder - just one mirror to put
>the image upright (not correct L to R), mainly to obviate a dark cloth.
>
>The question concerns the mirror. Do I need a surface plated mirror or would
>a thin glass mirror suffice? If I need a surface plated one, where would one
>find one?
>
>TIA!
>
>
>
><!-- ~MESSAGE_AFTER~ --> >> Stay informed about: LF Reflex Viewier |
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External
Since: Jul 29, 2004
Posts: 308
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(Msg. 12) Posted: Wed Apr 20, 2005 1:55 am
Post subject: Re: LF Reflex Viewier [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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In article <115u50g7m9sij7f.DeleteThis@news.supernews.com>, jscheimpflug.DeleteThis@nix.net says...
>
>I've been considering making a 4x5 reflex finder - just one mirror to put
>the image upright (not correct L to R), mainly to obviate a dark cloth.
>
>The question concerns the mirror. Do I need a surface plated mirror or would
>a thin glass mirror suffice? If I need a surface plated one, where would one
>find one?
>
>TIA!
Might want to look to Edmunds Scientific for a front-coated mirror. They used
to have a large laser supply stock. Try: <a style='text-decoration: underline;' href="http://www.edsci.com/" target="_blank">http://www.edsci.com/</a>
Hunt<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: LF Reflex Viewier |
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