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  1. Replies
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    Re: getting glass CLEAN, how do you do it?

    How do you measure the cleanness of the glass after using one of these methods?
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    Re: Fixing bellows corners

    Calculate the cost of losing a great image versus the cost of a new bellows.
  3. Re: Trying to Source Gear Rack for 8x10 Kodak 2D

    How about a 3d printed rack?
  4. Replies
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    Re: 3-D printing a Lens Cap help

    Why would I need to do that when I have a 3d printer :cool:
    By the way, that link doesn't have any 125mm lens caps.
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    Re: 3-D printing a Lens Cap help

    See post #13:)
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    Re: 3-D printing a Lens Cap help

    Why does a simple lens cap cost $30? Other than the mold cost which was probably recovered thirty or forty years ago, there isn't much to justify the cost.
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    Re: 3-D printing a Lens Cap help

    You may want to remove your email from the previous post. Spammers harvest these.

    The Fusion 360 file can be adapted to any lens by editing the dimension.
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    Re: 3-D printing a Lens Cap help

    It's been a while since I've used Thingiverse so it's not showing images. Here's the link: https://www.thingiverse.com/thing:3850143
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    Re: 3-D printing a Lens Cap help

    I'm with Ethan for this particular lens. The lens cap can be made to resist any bending in the center. It's about a 2 minute job in Fusion 360 to design the cap.
    195220

    Post the inside and...
  10. Re: Question for Anyone Who Has a Lensless Camera Co. 5" 5x7

    Isn't 5X7 the film size, not the case size?
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    Re: Repainting old lens

    Wouldn't the heat affect the lens?
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    Re: 4x5 diy view camera rack/pinion question

    T8 leadscrews are available on Aliexpress. I have both 1mm lead and 8mm lead. They come with nuts, but you can also order low backlash nuts separately. The nuts also come in several different...
  13. Re: Designing and 3D printing an slotted Graflex film holder

    I use Fusion 360 for 3d modeling. It can create either gcode for CNC machining or stl files for 3d printing. The price is reasonable (free):) Do you have any specs for the film holder?
  14. Re: Glue to re-seat dry wood joinery in LF frame?

    Why would you recommend Gorilla glue when the OP reported in post #16 that hide glue worked perfectly?
  15. Re: Options for sliding mechanism of lens carrier plate on 11x14 DIY

    I don't think the Mgn9 linear slides would be too heavy. The only real problem is the quality control on these rails is really bad. I'm using some rails made by STAF that are really nice, but they...
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    Re: Teak, Maple or American Black Cherry wood

    That begs the question of which one is real teak oil? I suspect the answer is none of them :o
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    Re: Darkbox construction ideas?

    Hang the changing bag in the closet. It stays dust free inside and you wouldn't need to move clothes out of the way. Or you could make the MDF version and install it in the closet.
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    Re: Attention Please: Lotus LF & ULF users

    You don't really need to guess how thick an aluminum plate needs to be in order for threads not to fail:

    http://www.engineersedge.com/thread_strength/thread_minimum_length_engagement.htm...
  19. Re: Anyone ever try this??? 3D custom board issue

    The red, blue, and green lines are the drawing origin (0,0,0). Red is usually X axis. Green is usually Y axis, which leaves Blue to be the Z axis. The drawing looks fully dimensioned to me (Except...
  20. Replies
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    Re: 3d-printed lens plate: MPP Press

    If you don't already have a 3d CAD program, Fusion 360 works quite well and is free for hobbyists.

    Step format files work much better than Stl files when you want to modify the model to fit your...
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    Re: Potassium Dichromate on Mahogany Cameras

    Won't other safer chemicals give you the same look? Do a search on ebonizing wood.
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    Re: 3d-printed lens plate: MPP Press

    PLA will warp when it gets too hot, which IIRC is around 104F. Most car interiors will get hotter than that in the summer.
  23. Re: Bellatrix (Poly Lactic Acid concerning question)

    They claim to have tested it to 40C. Unfortunately, this is only 104F. In other words, don't use it in Phoenix in the summer or leave it in your car anywhere in the sun :p PETG would have been a...
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    Re: refinishing a lens board question

    Ebonizing it would show the grain nicely.
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    Re: Refurbished Rittreck View 5x7 Field Camera

    A trip to the freezer, then a little heat may loosen the shaft (The amount of heat depends on the materials).
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    Re: Refurbished Rittreck View 5x7 Field Camera

    You need to use a release agent on the male screw threads. You may or may not need to tap the threads after the JB Weld has cured. There are also products made specifically to rebuild threads which...
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    Re: Refurbished Rittreck View 5x7 Field Camera

    You may be able to repair the threads with JB Weld or similar epoxy. A helicoil may be a better option if, as Dan says, you can use it.
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    Re: Home-made aperture

    Search on 'Trepanning tool' for a few varieties of tools that will cut accurate circles.
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    Re: Remove hardware from wood

    The main question is whether or not you want to keep or reuse the hardware. If you don't need the hardware, then (carefully) use a small hand grinder (Dremel) to cut the hardware free. Otherwise,...
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    Re: Need Holes Drilled for Lens Flange

    A #50 drill bit and a 2-56 tap will set you back between $5 and $10. It's not a difficult task to tap 2-56 threads. Practice on a piece of scrap metal first.
    ...
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    Re: TravelWide Repair Question

    What tools do you have? Plastic is quite easy to cut and shape with files.

    p.s. If the plastic is ABS, then gluing it with acetone can be as strong as the original.
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    Re: Legs For A Camera Bag?

    The easy way would be to get a gym membership and use it :cool:
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    Re: DIY Bellows Idea - Feedback please

    Use air pressure to inflate a double walled tube.
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    Re: Compound Iris Blades

    How thick are the blades? Have you looked at shim stock? https://www.mcmaster.com/#standard-shims/=16w8wad
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    Re: Motorized rocker for tray developing

    That looks better. Adding a couple of random bumps might help prevent a standing wave.
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    Re: Motorized rocker for tray developing

    These two sites may be of some help designing a motorized agitator:
    http://www.mekanizmalar.com/menu-linkage.html
    http://blog.rectorsquid.com/linkage-mechanism-designer-and-simulator/

    If you...
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    Re: ? source of small screws

    There are other options when it comes to small screws: https://www.youtube.com/watch?v=bBrJI-P5aI8&feature=youtu.be
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    Re: Reducing Flare from Reflective Surfaces

    I made a 3d printed hood with internal baffles that works quite well. I designed it using Fusion 360, but if you were proficient in one of the rendering programs like Blender, you could probably get...
  39. Re: ? "standardized" distance from the front of a film holder to where the film lies

    I'd be surprised if the average measurement made by @John Layton was not within the tolerances of the standard.
  40. Re: Anyone have any experience with replicating view camera parts with a 3D printer?

    You can also mold HDPE and LDPE by heating it. Here's a rather long winded video showing the process: https://www.youtube.com/watch?v=vO2b9iMitQY

    Here's another for PET:...
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