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    Re: Sheet metal flatness / availability

    Havoc - many thanks for the guidance on materials based on your own experience, that's invaluable to a metal working 'newbie' like me.
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    Re: Bellows attachment frame

    Thanks everyone for the helpful advice, some good suggestions there.

    This thread was a bit slow getting going... in the meantime I've ordered some 2mm alumin(i)um and etching primer, and will see...
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    Re: Need Grubb Lens Expertise

    A Google Sheet works well - you can set permissions on it so you can edit it and others can just view it. Being web based you can then put a link to it in any post.

    Karl French did this with the...
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    Re: Bellows attachment frame

    Thanks Randy, if the bellows were bigger then I'd be tempted to use wood I think - but the pleats are 10mm, with 2mm between them... to fit between the pleats the frame width will probably have to be...
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    Re: post your trees!

    Yeah, I thought Oak but the leaves look longer and more pointy. American White Oak is sold as a timber over here (as well as the native variety of course) but I don't recall seeing an image of the...
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    Re: Sheet metal flatness / availability

    That's a great idea for general purpose thin sheet. Often non-stick as well... :)

    There must be lots of things that could re-purposed... Kick sheets, finger plates (for doors)?
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    Re: post your trees!

    Very nice... What kind of tree is it?
  8. Re: IIB or not IIB. A case study of Cooke Portrait Series II SF generation transition

    The link to it is buried on page 4 of the very long Cooke Portrait Lens Serial Numbers thread but Karl's spreadsheet summation of all the serial numbers that people have sent him certainly helps - it...
  9. Re: Alternative to McMaster-Carr that ships to the EU

    Raptor Supplies will apparently get almost anything from McMaster for folks in the UK. I've got no idea what their markup would be but I bet it's not insgnificant.

    That probably isn't much help to...
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    Re: Sheet metal flatness / availability

    Thanks all for your contributions, very useful information and suggestions, a real education!

    When I had a fully equipped workshop the hefty cast iron beds of the planer/thickneser or bandsaw were...
  11. Re: Alternative to McMaster-Carr that ships to the EU

    For the knobs you could also try Jose at Custom Photo Tools who will custom make you stuff on a lathe with (I think) any thread - jose@customphototools.com

    He is in Portugal so you wouldn't have...
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    Re: Sheet metal flatness / availability

    Thanks for the reply and link Randy - wow! McMaster-Carr look like a great resource. I see that their aluminum range includes tight-tolerance and anodized. I need to find something similar in the...
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    Sheet metal flatness / availability

    I'm starting a bit of metal work. I've been a woodworker in the past and have always made things but my knowledge of metal raw materials is next to nothing.

    In terms of sheet materials I think...
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    Re: New lens to me :)

    :)

    I'm just glad to (potentially) have a 500mm lens in a shutter - beats trying to rig up the 480mm Apo-Ronar and a Sinar shutter to the front of a wood camera...
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    Re: New lens to me :)

    Thanks Dan, yes, I'm aware of that - chromatic and/or spherical aberration being utilised in soft focus lens design.

    The effect in B&W would be somewhat less distressing though I would hope!
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    Re: New lens to me :)

    I guess that's the chromatic aberration? I should have said implicitly that I was referring to shooting B&W images (the OP doesn't state what use it will be put to).



    I wonder could the amount...
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    Re: New lens to me :)

    Welcome to the wonderful (vast, and deep) world of LF! :)

    Re Mark's comment above - I have a 300/500 convertible Symmar (from around 1962) and have read a little about it... Converted (at the...
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    Re: Still Life 2022

    I've had this Nikkor-W 150mm f5.6 for years and not used it - it's not too bad (don't know why I would be surprised by that! :))

    https://live.staticflickr.com/65535/52498384412_d340fedc04_o.jpg...
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    Bellows attachment frame

    I'm going to attach the bellows to a very simple 5x7 camera (that I am making) using two metal rectangular frames, screwed down.

    (I was going to use individual metal strips but rectangular frames...
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    Re: How to Clean Fixer Gunk?

    Sorry for hijacking this thread but my query isn't about accordian bottles - just what can be used to clean up (dried) splashes / drops of fixer around the place. Thanks for the reply anyway!
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    Re: How to Clean Fixer Gunk?

    Although Photographic Solutions are still in business the Photofinish product is no longer list on their website (photosol.com).

    Has anyone found an alternative equivalent product, or advice for...
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    Re: post your trees!

    I have seen the ones you mean but I have a very small car as well! I also invariably feel the need to get around to the front of the camera, so I'm not sure how that would work on a single ladder......
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    Re: post your trees!

    UK Landscape photographer Charlie Waite (mostly medium format I think) also advocates use of a step ladder. I have enough trouble trying to get one to be stable in the garden so can't imagine what it...
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    Re: post your trees!

    Thanks Ben.



    Yes, a popular show here too, there always seem to be repeats on. Thankfully although we have our fair share of urban sprawl there is still plenty of beautiful countryside - as you...
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    Re: post your trees!

    Thanks John. You're right - no pastoral scene is truly complete without sheep! :)

    There were some, but down in the bottom of the field - away from me! Luckily this scene isn't far from where we...
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    Re: post your trees!

    I can't decide if this is / was one large tree, or a group. The Victorians (in the UK) often planted saplings in a tight group, but this is in rural farmland and I think it is unlikely. There are...
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    Re: Rapid View Portrait (RVP) Pictorial lens

    Thanks Mark. Yes, hopefully one day. I've never made a paper positive from a paper neg, although I believe it is possible. Plenty of light required presumably!
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    Re: Rapid View Portrait (RVP) Pictorial lens

    Time for an interlude? RVP, paper neg, 5x7, inverted in PS. Shot in 2018, 'top hat' exposure with the (red Morrocan leather) lens cap.
    ...
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    Re: Cooke Portrait Lens Serial Numbers

    This is a truly admirable endeavour but I suspect it may not be entirely straightforward :)

    Here is my 10.5" Series II, no. 109422. In your classification it is a fifth generation. What is...
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    Re: Rapid View Portrait (RVP) Pictorial lens

    The Corrado D'Agnostini / Ivan Rose book 'Dallmeyer Grubb Ross Taylor, Taylor & Hobson Horne, Thornthwaite & Wood - Photographic Lenses in 19th Century Great Britain and Ireland' mentions the RV and...
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    Re: Cooke Portrait Lens Serial Numbers

    Yes, excellent work Mhayashi.

    It is good to have a copy of that 'compendium', especially as information had been submitted and incorporated from owners of the lenses.

    I hope that there might be...
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    Re: Large Format Landscapes

    Yes, wow, that's a wonderful shot... The spherical format gives it a really magical, dream-like quality.
  33. Re: Do you get sentimental about your lenses?

    Well said.

    IMHO this thread (for once) isn't about judging lenses, why you shouldn't be using a lens, why another one will do just as well... but simply sharing the love we might have for them.
    ...
  34. Re: Do you get sentimental about your lenses?

    Not sentimental (which almost implies looking back on something that has been lost, or is from a different, bygone age) but I'm certainly very fond of a couple of lenses that seem to have special...
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    Re: How do I remove this Sinar part?

    Thanks - the knowledge, experience and enthusiasm of the folks on this site is always appreciated :)
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    Re: How do I remove this Sinar part?

    (Of very little interest but if it helps someone else...)

    It was simply glued on, presumably before they drilled and tapped the holes for the bolts.

    230945

    I just gripped the silver part in...
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    Re: How do I remove this Sinar part?

    Thanks, I'll continue trying tomorrow.
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    Re: How do I remove this Sinar part?

    Hi Bernice, thanks for the rapid reply.

    I've already removed the two bolts (they thread through into the black frame) and the grub screw at the end of the block (this compresses a spring and a...
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    How do I remove this Sinar part?

    I'm hoping someone has come across this before...

    Before I resort to the fairly ugly solution of hacksaw and file - does anyone know how to remove this silver aluminium part from this Sinar...
  40. Re: My LED enlarger lightsource instructions / Complete parts list and build

    Philip, many thanks for these notes, very useful. I see also your thread LED enlarger head questions, elgatosuizo's design.

    I think plenty of empirical testing is the way forwards at the moment. I...
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