Photography notes

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exposure times

  • (26.8 mm)/(7210 px)
    • 18 mm: 2.4 s
    • 55 mm: 0.90 s = (1/1.2) s
    • 250 mm: 0.20 s = (1/5.0) s
    • 360 mm: 0.14 s = (1/7.1) s
    • 720 mm: 0.070 s = (1/15) s
    • 1000 mm: 0.050 s = (1/20) s
    • 1080 mm: 0.047 s = (1/22) s
    • 1500 mm: 0.033 s = (1/30) s
    • 2000 mm: 0.025 s = (1/40) s
    • 3000 mm: 0.016 s = (1/60) s
  • (25.6 mm)/(2200 px)
    • 1000 mm: 0.15 s = (1/6.3) s
    • 1500 mm: 0.10 s = (1/9.5) s
    • 2000 mm: 0.079 s = (1/13) s
    • 3000 mm: 0.052 s = (1/19) s

focal lengths

  • M31 @ 1080p: 208 mm / 216 mm
  • M31 @ 4000p: 247 mm / 256 mm
  • M33 @ 1080p: 481 mm / 524 mm
  • M33 @ 4000p: 570 mm / 621 mm
  • Luna @ 1080p: 1040 mm / 1260 mm
  • Sol @ 1080p: 1070 mm / 1310 mm
  • Luna @ 4000p: 1230 mm / 1490 mm
  • Sol @ 4000p: 1270 mm / 1560 mm
  • Venus @ 1080p: 4990 mm / 39200 mm
  • Venus @ 4000p: 5910 mm / 46400 mm

magnification

  • 0.29X (250 mm)
  • 0.61X (250 mm, +1)
  • 0.94X (250 mm, +2)
  • 1.26X (250 mm, +1+2)
  • 1.58X (250 mm, +4)
  • 1.90X (250 mm, +1+4)
  • 2.23X (250 mm, +2+4)
  • 2.55X (250 mm, +1+2+4)
  • 3.52X (250 mm, +10)
  • 5.13X (250 mm, +1+4+10)
  • 5.77X (250 mm, +1+2+4+10)