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04-30-2013, 08:52 AM   #1
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Hyperfocal Distance Chart for 645D

I like to carry Hyperfocal Distance Charts in my camera bag for those times when picking the perfect focusing spot is challenging and the image is worth getting it perfectly right
I'm new to 6 x 4.5 format and wonder if anybody can send me a link to where I can print off HFD charts for four different focal lengths: 35, 55, 120, 300
Thanks,
Bob

04-30-2013, 08:54 AM   #2
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I don't have a chart, but keep in mind that the 645D's sensor is 4.4 x 3.3 cm (not 6 x 4.5), so a traditional film chart won't necessarily be correct.

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04-30-2013, 04:43 PM   #3
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Hi , i have been shooting with 645D for near 2 years now and all manual focus lenses, bar the 55mmm Kit lens and a 200mm AF, which i MF with as well, unless eyesight is very bad, i would say you will not need it,(maybe for 300mm), i shoot with all the other lenses you mention and find the viewfinder to be spot on and easy to use, of course no good at night.. :-), try it out i think you will be impressed.
04-30-2013, 05:21 PM   #4
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For my various non slr cameras,
I made a spreadsheet where the FL f/ and sensor size and vertical lines of COC are entered.
It has functions to output the near & far DOF and hyperfocal etc.
It does a bathtub % error graph to tell me how close the focus has to be.
But I don't know why any of this would be useful on a Pentax slr !! even in , or especially, in low light.

04-30-2013, 11:12 PM   #5
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QuoteOriginally posted by uintaangler Quote
I like to carry Hyperfocal Distance Charts in my camera bag for those times when picking the perfect focusing spot is challenging and the image is worth getting it perfectly right
I'm new to 6 x 4.5 format and wonder if anybody can send me a link to where I can print off HFD charts for four different focal lengths: 35, 55, 120, 300
Thanks,
Bob
Also keep in mind that commercial Hyperfocal charts are calculated on a 4x enlargement; ie, 35mm film to 4x6, 4x5 to 8x10. The larger the print, the more critical the DOF.
05-01-2013, 09:04 AM   #6
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Focus stack.
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