joseph_zarick Posted November 10, 2001 Share Posted November 10, 2001 Please discuss some of the materials I can use to make lens boards for my Zone VI 4x5 (4" square". j zarick, cincinnati Ohio Link to comment Share on other sites More sharing options...
dave_willison Posted November 10, 2001 Share Posted November 10, 2001 Joe: <p> You can use wood, metal, or plastic. Wood is probably easier to cut, drill, and finish but may be subject to warping. To help overcome this problem, I use 1/8 sheets of plywood which are available from Rockler.com. The plywood comes in walnut, cherry, birch, red oak, and white oak and costs from $11-25 depending on the type of wood. Each sheet is 24x32 inches. I normally use an exacto or utility knife to cut the plywood. This insures a clean and exact cut and is generally safer than using a table saw or bandsaw. I also use a drill press and forstner bits to cut holes for the lens. You can also use a hand-held power drill. <p> .......................... Link to comment Share on other sites More sharing options...
james phillips Posted November 10, 2001 Share Posted November 10, 2001 Joe <p> When making homemade boards I have used an opaque material by the name of "Lexan". This is very comparable to plexiglass but I find it a more rigid product and easier to work with. I just use my router to make the edges to match my requirements and then drill the appropriate hole and seating hole for my shutter size. The Lexan I use is black in color, very robust and will not warp or change size due to heat or cold. I visited a local shop that uses Lexan for production and for a few dollars they gave me 10 pieces of scrap that were about 7 inches square. This is a nice material to use but you do need power tools to perform the necessary tasks. <p> Regards Link to comment Share on other sites More sharing options...
jim_galli4 Posted November 10, 2001 Share Posted November 10, 2001 Another Zone VIer out of the closet!! <p> Home depot has 1/4 X 6" X 2, 4 or 6 feet long hardwoods that have a very pretty grain. You would need to have the ability to make them very similar to the originals with grains going in opposing directions to prevent warping. Link to comment Share on other sites More sharing options...
conrad_hoffman Posted November 10, 2001 Share Posted November 10, 2001 I haven't actually used this for lensboards, but it should work like a charm. Go to the local plastics supplier and ask for black "Sintra". It's an expanded PVC material common in the sign industry. Cuts easily and can be planed and sanded like a soft wood. Quite stable. Comes in even mm thicknesses. Made by Alusuisse Composites, Inc. Link to comment Share on other sites More sharing options...
doug_paramore Posted November 10, 2001 Share Posted November 10, 2001 I use the thin plywood available at model shops. It is five or seven layers of very thin veneer and is strong and stable. <p> REgards, Link to comment Share on other sites More sharing options...
dan_smith Posted November 10, 2001 Share Posted November 10, 2001 In a pinch you can easily make a lens board using mat board. Cut to size & tape two or more together for reinforcement. For more permanent boards the comments above this one are good. Link to comment Share on other sites More sharing options...
neil_poulsen1 Posted November 11, 2001 Share Posted November 11, 2001 I've used the "hobby board" to which Doug Paramour refers for Deardorff boards and it works great. For the Deardorff, I used two layers to get the "double-corner" that helps to keep out light. If the board isn't quite thick enough for your camera, you can use some felt to make it more snug. This will give you a tighter seal. <p> If you have a wood camera, you can usually do a pretty good job of matching the color of the camera using those small cans of stain. Link to comment Share on other sites More sharing options...
ed_balko3 Posted November 15, 2001 Share Posted November 15, 2001 I've been using 1/8" aluminum tooling plate for lensboards, most recently for a Calumet 4x5. Aluminum can be cut/machined easily using CARBIDE-TIPPED wodworking tools. Link to comment Share on other sites More sharing options...
gary_frost1 Posted November 16, 2001 Share Posted November 16, 2001 Ok, here's another material I've used: fiberglass circuit board fromRadio Shack. It is copper on both sides to add rigidity and make itlight tight. It can be worked with common tools. It is about the right thickness for Wista type boards. I made a pinhole holder withthis for my Tachihara. The copper also tarnishes for a nice look. Link to comment Share on other sites More sharing options...
david_m Posted December 25, 2002 Share Posted December 25, 2002 Try the clipboards available at any OfficeMax or Staples. You can find masonite or black plastic. You can also find 3in or 4in wide plywood at craft stores like Michaels and JoAnnes. Link to comment Share on other sites More sharing options...
david_goldfarb Posted December 25, 2002 Share Posted December 25, 2002 I recently made a bunch of lensboards for an old Linhof Tech II (which apparently can't take later Linhof boards) using 3/32 birch ply of the sort described above, available from hobby shops for building models. I cut it with an X-acto saw, beveled the edges with a Dremel and router table attachment, and cut the holes with a keyhole saw that attaches to a drill. To get a clean hole, I used three clamps to hold the board firmly to the work table with a piece of scrap 4x4" between the board and the table. I stained them with a dark walnut stain to reduce internal reflections. On a couple of them, I made the beveled edge a hair too thin, so I glued a strip of black flocking into the bevel, and they fit perfectly.<div></div> Link to comment Share on other sites More sharing options...
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