Search:

Type: Posts; User: LabRat; Keyword(s):

Page 1 of 80 1 2 3 4

Search: Search took 0.06 seconds.

  1. Re: Fabrication of a reflex back for a LF camera?

    Would probably end up the size of a camera, and you wouldn't want to carry it around while shooting... But it might be designed to fold flat (if you are good with origami)... I expect there will be...
  2. Replies
    11
    Views
    255

    Re: Blowing and agitating whites

    Quik review of basic film development;

    The EI of the film is the threshold in the shadow of the clear areas where it starts to record shadow detail (above the fog level)... This level develops...
  3. Replies
    13
    Views
    433

    Re: Sheet metal flatness / availability

    For thin materials, a rolling mill is used to even out thickness of sheets (looks like the rollers from the wringer on old washing machines), but require skill to set roller tensions correctly (or...
  4. Replies
    29
    Views
    912

    Re: Ilford Rapid Fix considerations

    The reference I adopted is contained in the book "Life of a Photograph" by Keefer and Inch (published by Light Impressions Press) covered in detail fixing/washing processes for different materials,...
  5. Replies
    29
    Views
    912

    Re: Ilford Rapid Fix considerations

    Let's not mix-up film and FB paper... Different requirements as film base is non permeable to chems, but paper base can catch/release chems + thiosulfate compounds (slowly)...

    Research each...
  6. Replies
    29
    Views
    912

    Re: Ilford Rapid Fix considerations

    Hardening fixer is helpful if there are differences in temperature during processing (especially if wash water is too warm during warmer months)... I have seen results from pro labs where hardening...
  7. Replies
    15
    Views
    737

    Re: Red Bellow vs Black Bellow

    Some premium cameras of yesteryear featured red bellows to stand out from the other line models... Maybe made with deluxe materials... Technically, color should not matter, but taste of the user or...
  8. Replies
    6
    Views
    350

    Re: Milky Way photography

    In the northern hemisphere USA, Milky Way is overhead in the early summer but visible some months before/after, so time of year matters...

    Better check a star chart for the best season to view at...
  9. Re: The Holy Grail of LF Aerial Cameras Unearthed----literally

    Wait a second, they had aerial cameras in the first WW, and were used from balloons/kites earlier... First!?!! ;(

    Steve K
  10. Replies
    9
    Views
    376

    Re: The Jacksonville Model T factory

    I had read a recent article that said an extensive photo document project was underway...

    Years ago, I had to operate a small boat for a couple of structural engineers so they could survey an old...
  11. Replies
    66
    Views
    7,500

    Re: Schneider APO-Tele Xenar HM 800 f/12?

    For anyone serious about long lens work, a highly desirable addition would be a decent spotting scope... It would need a sturdy enough tripod of it's own, and a decent zoom eyepiece is helpful... One...
  12. Replies
    25
    Views
    1,103

    Re: contact printing ??

    RC paper is very fast, and at those short distances exposures can be very short, even fractions of a second...

    Getting the light source a further distance, using lower wattage light sources, and...
  13. Re: Getting back into 8x10, would a cheap Intrepid Satisfy?

    With 8X10, severe movements are not as pronounced as with smaller LF formats... Most all field cameras end up not having all that much movement "effect" than pro monorails or smaller formats......
  14. Replies
    31
    Views
    1,431

    Re: Need box/tent to load 4x5 film

    Did this on some commercial shoots, but noticed some debris in changing bag after box was removed... Will the debris end up on film???

    Evolved for me to adapt one of those wire file hanging racks...
  15. Replies
    11
    Views
    693

    Re: Treat stiff bellows with Pledge (or other)?

    Note that most all old Kodak pocket folder bellows are made of paper, but look like other materials... Most treatments will destroy them, but check camera collecting sites for info... There are new...
  16. Replies
    66
    Views
    7,500

    Re: Schneider APO-Tele Xenar HM 800 f/12?

    Yea, but the air does weird stuff at magnification!!! Spend some time on a telescope eyepiece to find the rare times of still, stable air where it only might be steady for moments a month in some...
  17. Replies
    28
    Views
    1,226

    Re: Almost done with film drying cabinet rebuild

    I converted one of those cabinets from the home store (found a nice one on the curb one trash night) and worked well without heat/blower (in LA,CA where not too damp)... Took about 2 hours to dry...
  18. Re: Using Hasselblad B60 (Proxar & Softar) on 4x5

    There are a wide variety of inexpensive import adapters online these days (RAF + others), so keep searching, or try tape as mentioned... Soft filters can be interesting to lower contrast or soften...
  19. Re: Baltic or Finnish Baltic Birch for lens boards?

    Basswood from hobby store (3/16" X4" wide) works great... When you cut the inner recess, cut so the grain crosses the outer piece for flat stiffness... Seal, hole, and paint...

    Steve K
  20. Re: Half Century Old Brown Plastic Bottles Still OK?

    You got 'yer $$$'a worth out of the old ones, so time to let go... I don't know why folks are drawn to brown bottles??? Bottles are stored in a darkroom usually that's dark when you are not there...
  21. Replies
    50
    Views
    2,523

    Re: Do you get sentimental about your lenses?

    Definitely about the long-term relationship, where we surprise each other time and time again!!! :)

    Steve K
  22. Replies
    28
    Views
    1,347

    Re: 4x5 Grafmatic film backs

    Grafmatics can jam due to film slippage in a septum... Especially in vertical orientation, the film can partially dislodge during cycling and not return preventing proper shuffling... The film hold...
  23. Re: Assessing film speed and development time without a darkroom.

    Yes, there are developers that can cut or bump-up the EI of your film, but the majority are formulated to give about box speed to the film for a given developing time, but there are outliers... Your...
  24. Re: Assessing film speed and development time without a darkroom.

    "Bracketing" is a smaller than large format option, as it's no big deal to just wind another frame forward to try different settings, but in LF, sheets take up a lot of "real estate" and costs (film,...
  25. Replies
    24
    Views
    3,825

    Re: Stainless Steel Sink & Oxidation / Rust?

    Warning about cleaning up 'yer old stainless sink or developing equipment to bright and shiny again... The base alloy is only moderately resistant to exposure to liquids & chems, but what provides...
  26. Re: Assessing film speed and development time without a darkroom.

    Remember the old foto rule "Expose for the shadows, develop for the highlights"... In this case it means there must be enough exposure to give the darkest (thinnest) area some information, but...
  27. Re: DIY Print Squeegee improvement -- for those like me with Rube G. genes

    I also did some research about using air knifes to blow off moisture, but was concerned that materials might flop around in the air blast, or debris might be carried with the flow and possibly enbed...
  28. Replies
    14
    Views
    1,046

    Re: Faulty Light Meter

    Have you contacted Sekonic if they perform testing/service of this meter???

    Steve K
  29. Replies
    27
    Views
    1,141

    Re: Linhof Technika V - Ground Glass is Dim.

    A screw can freeze in a hole as many changes of weather force moisture into threads causing local corrosion in hole... Getting a tiny drop of thread penetrating oil near base of threads, let sit a...
  30. Replies
    24
    Views
    1,497

    Re: Southern Yosemite Highway 41 closed

    The fire...

    Steve K
  31. Replies
    12
    Views
    617

    Re: Advice about nickel plating please

    The other thing to be concerned about is the thickness of the plating... Parts to be plated are slightly undersized, then the plating builds up to the exact size that will still fit the bearings the...
  32. Replies
    44
    Views
    2,518

    Re: Kodak chemicals -- now what??

    Sulfurization/precipitation in rapid type fixers tend to happen in stock solutions over time... Mixing & storing at working strength extends them for very extended life...

    If stock is new and bad,...
  33. Replies
    28
    Views
    1,093

    Re: How to imitate the contrast of wet plate

    Blue sensitive X-ray film is pretty contrasty...

    Steve K
  34. Replies
    27
    Views
    1,141

    Re: Linhof Technika V - Ground Glass is Dim.

    Whatever you try, carefully note the orientation of GG + fresnel surfaces as you remove the old to make sure they are reassembled correctly, or a focusing error can be introduced...

    If you wash...
  35. Replies
    8
    Views
    742

    Re: Another Agfa Ansco 8x10 Restoration

    Hi, as I mentioned above, you can try the rubbing compound on a inconspicuous area... Put a little dab on a q-tip and gently rub in a spot to see if it starts lifting the paint up... Don't use sand...
  36. Replies
    24
    Views
    1,274

    Re: Refinished LF Wood Camera 'coating' Melting

    Does the camera smell like anything??? Use a very sensitive instrument... Your nose...

    Steve K
  37. Replies
    14
    Views
    916

    Re: testing spot lightmeter

    Hi Doremus,
    Back in '99, I was shooting on the street and a guy came up to me and asked me if I wanted to buy a lightmeter... He said he worked in theater and had an extra one used to measure...
  38. Replies
    8
    Views
    742

    Re: Another Agfa Ansco 8x10 Restoration

    I'm just finishing a restoration on a 1925ish (pre Agfa) Ansco Universal 8X10, not going through the entire process here, but some general comments...

    Mine looked like it was in a barn for...
  39. Replies
    14
    Views
    916

    Re: testing spot lightmeter

    If to eliminate any doubt, you can have it calibrated by Pentax in Colorado, or Richard Ritter (on here)...

    Any new to user meter should be calibrated (if meter is still supported by maker or...
  40. Re: Schneider Angulon I Purchased - Is This a Problem?

    Angulon's have a smaller element bonded to a larger element, and there is a step that is visible that has some cement still present outside smaller element... These will turn color a little or get...
Results 1 to 40 of 3189
Page 1 of 80 1 2 3 4