[LargeFormat] New Memeber introduction/Pinhole day comments

[Achal Pashine]

Hi Schuyler, check out these links, Go to Single slot grids in the first
URL, 1 vial typically costs $16-20 depending on size and there are 100 per
vial!

http://www.emsdiasum.com/ems/grids/gilder.html
http://www.tedpella.com/grids_html/grids.htm

Achal Pashine
Pediatric Immunology
Center for Clinical Sciences Research, Room 2120
269 Campus Drive
Stanford, CA 94305-5164

Tel: 1-650-498-7574
FAX: 1-650-498-6077


----- Original Message -----
From: <Schuyler.Grace@AmericaWest.com>
To: <largeformat@f32.net>
Sent: Thursday, May 02, 2002 12:35 PM
Subject: RE: [LargeFormat] New Memeber introduction/Pinhole day comments


> Thanks for the info, Achal, and great shot on pinholeday.org!  I was
> thinking about going the brass shim and homemade pinhole route, but
thought
> it might be too difficult to be very consistent.  Sounds like it's
actually
> easy.  Do you happen to know where "gilder grids" can be ordered from?
>
> Thanks, again, for more inspiration and education.
>
> Schuyler Grace
>
> Phone:        480.693.3569
> FAX:          480.693.7555
> CO-MAIL:        52N-AWT
>
>
> -----Original Message-----
> From: Achal Pashine [mailto:achal@stanford.edu]
> Sent: Thursday, May 02, 2002 12:10 PM
> To: largeformat@f32.net
> Subject: [LargeFormat] New Memeber introduction/Pinhole day comments
>
>
> Hello, My name is Achal and I live in Fremont, CA.
> I did write once of twice to the list, but mostly reading the responses
> (lurker).
> My interest is mainly 35mm photography (portraits, landscapes and
> architecture). I have recently (3-4 months) started using Toyo 4X5 with
210
> and 150mm lenses. I do developing at home and print at Calypso Imaging in
> San Jose (no commercial interest). This list has been an incredible source
> of information on LF!
> Schuyler, I converted my 4X5 camera into pinhole. Basically, I bought some
> brass shim from OSH hardware store and used the sewing needle in
combination
> with emery paper to create very fine and perfectly round pinholes. I
> measured the size by scanning the pinhole and determine the actual size by
> comparison to known scale. It was approximately, 0.3mm. It worked best for
> 17-20mm focal length.
> In the meantime, I had correspondence with another pinholer, Chris Patton,
> also from Stanford University; he provided me with variously sized copper
> Gilder grids (used in electron microscopy and are very cheap, one can get
> 100s for $10-20!). Gilder grids are very precise in diameter and can be
> stuck onto larger brass shim squares with 3-4mm hole. It produces
incredible
> details.
> Pl look at my submission for WPPD at
> http://www.pinholeday.org/gallery/2002/index.php?id=200
> I used Polaroid back and it was gratifying to see instant results. I
> initially did some exposure calculations using mrpinhole calculator and
that
> utility was very useful. I think it is at www.mrpinhole.com.
> My other pinhole photographs taken on WPPD are at
> http://photos.yahoo.com/bc/achalpashine/lst?.view=t&.dir=/Pinhole_day
> hope you enjoy and critic them.
> thanks,
> achal
>
>
> ----- Original Message -----
> From: <Schuyler.Grace@AmericaWest.com>
> To: <largeformat@f32.net>
> Sent: Thursday, May 02, 2002 10:32 AM
> Subject: RE: [LargeFormat] Clifton Suspension Bridge and the Wyndham
pinhole
> camera project
>
>
> > I am astounded by many of the photos that were taken during the pinhole
> > event, and those on the web site have inspired me to dive in, too.
Would
> > anyone on the list care to share their experiences with pinhole
> photography,
> > especially including equipment preferences?  In my younger days, I built
a
>
>
>
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