Re: loupes for large format camera use and; humidity levels

  Thanks very much, Ryuji- I do find focusing quite fatiguing and sometimes
I wonder why I do the large format except that it is very satifying...
  Susan
  ----- Original Message -----
  From: "Ryuji Suzuki" <rs@silvergrain.org>
  To: <alt-photo-process-l@sask.usask.ca>
  Sent: Sunday, April 24, 2005 8:47 PM
  Subject: Re: loupes for large format camera use and; humidity levels

> From: Susan Huber <shuber@ssisland.com>
> Subject: Re: loupes for large format camera use and; humidity levels
> Date: Sun, 24 Apr 2005 08:50:17 -0700
>
> > Yors is the best advice give I tried the 8x power and immediately
> felt nauseated. Had to return it and settle for my old 4x loupe.
>
> I think Peak makes an 8x magnifier with suction cup skirt so that the
> loupe stays on the ground glass. As the loupe is temporarily fixed on
> the glass, focusing (of the loupe) should be trouble-free once
> adjusted. I think that is a great idea but I never bought it so I
> can't offer you detailed comments. One problem is that the loupe
> itself seems to be a crappy one. Another problem is difficulty in
> checking the focus near the edges and corners because of the size of
> suction cup.
>
> For a 4x loupe, I found Horizon (made in Russia) loupe that covers 6cm
> square is the cheapest loupe that I am 95% happy with.
>
> I recommended an OptiVisor (3.5x is the highest mag) first because you
> can wear your prescription glass under the visor magnifier, and
> binocular vision with this unit is very much less fatigue-prone
> compared to loupes. But I agree it's a bit bulky in the field. There
> are a couple of very lightweight magnifier visors. The lightest one
> I've seen does not have shades around the magnifiers (which I think is
> very useful when soldering small components or retouching prints under
> work light, but the shades are unnecessary if the visor is used under
> a dark cloth).
> --
> Ryuji Suzuki
> "Well, believing is all right, just don't let the wrong people know
> what it's all about." (Bob Dylan, Need a Woman, 1982)

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