serge_chamulot Posted August 8, 2001 Share Posted August 8, 2001 this may be really stupid but I was wondering how to use the little focussing aid on sinar camera's (near the backs fine focus) and apart from that if it is worth using anyway. I can not quite figure it out, and it seems to me that it should only be accurate for one specific lens or focal length (there's a little '90' on mine so perhaps this was meant for a 90mm?) <p> thanks for any insight, serge Link to comment Share on other sites More sharing options...
walter_glover Posted August 8, 2001 Share Posted August 8, 2001 Serge, <p> The device on the Sinar focus knob is good for all focal lengths ... it's shortcomings only really become apparent with very close focussing (macro). <p> There are usually two scales printed around the focus drive knob - say, 4x5 & 6x9. Refer to the apropriate scale for the format you are using. <p> First focus on a the furthest point that you wish to appear sharp and move the '0' on the scale to the index mark. <p> Next focus on the near point that you want sharp. Note the aperture value at the index mark - this is the aperture to shoot at. <p> Now turn the focus drive back 2 f-stops on the scale. At this point the depth of field at the indicated aperture will be sufficient for a 10x8 print from a 4x5 neg. to be viewed at a normal (arm's length) distance from the print. <p> The Tilt and Swing angle scales work differently on the F series and the P series but since you don't mention which model it is I can't render any further advice at this stage. <p> Cheers ... Walter Link to comment Share on other sites More sharing options...
edward_kang Posted August 8, 2001 Share Posted August 8, 2001 <img src=http://www.nd.edu/~ekang/forum/lfq/page1.jpg> <p> <img src=http://www.nd.edu/~ekang/forum/lfq/page2.jpg> <p> <img src=http://www.nd.edu/~ekang/forum/lfq/page3.jpg> Link to comment Share on other sites More sharing options...
edward_kang Posted August 8, 2001 Share Posted August 8, 2001 Strange, here's another try. <p> <img src=http://www.nd.edu/~ekang/forum/lfq/page1.jpg> <p> <img src=http://www.nd.edu/~ekang/forum/lfq/page2.jpg> <p> <img src=http://www.nd.edu/~ekang/forum/lfq/page3.jpg> Link to comment Share on other sites More sharing options...
edward_kang Posted August 8, 2001 Share Posted August 8, 2001 test Link to comment Share on other sites More sharing options...
serge_chamulot Posted August 8, 2001 Author Share Posted August 8, 2001 thanks so much for the clear answers and scans. I have an F and P2 but can not find the tilt aid (obviously the F never had one but the P2 should?). the P2 focus aid only has the 4x5' marks by the way <p> serge Link to comment Share on other sites More sharing options...
adam_friedberg Posted August 8, 2001 Share Posted August 8, 2001 the p/p2 doesn't have the tilt aid, the f1/f2 does. i'm not sure about the f. Link to comment Share on other sites More sharing options...
andy_ongun Posted August 11, 2001 Share Posted August 11, 2001 As far as the tilt, swing and DOF adjustments for the P2 and F go, check out the Sinar Bron site at www.sinarbron.com. It is explained in detail there. Link to comment Share on other sites More sharing options...
ellis_vener_photography Posted August 12, 2001 Share Posted August 12, 2001 The Sinar P (and the P2) definitely has a tilt (and swing) aid built-in to the camera. this is part and parcel of the assymmetric tilt and swing mechanism for the camera. The Sinar F cameras needan external scale to calculate tilt and swing angles because they are base tilt designs, not the superior assymmetric design found in the P, C and X series of Sinar view cameras. Link to comment Share on other sites More sharing options...
adam_friedberg Posted August 14, 2001 Share Posted August 14, 2001 i assumed serge was referring to the external scale. Link to comment Share on other sites More sharing options...
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