Difference between revisions of "Photography notes"

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

• 0.15X, 8.7" (10-18) [1] [2]
• 0.18X, 4.3" (10-18, +1)
• 0.22X, 3.2" (10-18, +2)
• 0.25X, 2.4" (10-18, +1+2)
• 0.25X, 9.8" (18-55)
• 0.28X, 1.8" (10-18, +4)
• 0.29X, 29" (55-250)
• 0.31X, 5.4" (18-55, +1)
• 0.32X, 1.3" (10-18, +1+4)
• 0.35X, 0.90" (10-18, +2+4)
• 0.38X, 0.58" (10-18, +1+2+4)
• 0.38X, 4.1" (18-55, +2)
• 0.41X, 0.30" (10-18, +4+4)
• 0.44X, 3.2" (18-55, +1+2)
• 0.45X, 0.072" (10-18, +1+4+4)
• 0.50X, 2.5" (18-55, +4)
• 0.51X, 5.3" (55-250, 12 mm)
• 0.54X, 14" (55-250, +1)
• 0.56X, 1.9" (18-55, +1+4)
• 0.63X, 1.5" (18-55, +2+4)
• 0.69X, 1.1" (18-55, +1+2+4)
• 0.74X, 4.5" (55-250, 25 mm)
• 0.78X, 8.0" (55-250, +2)
• 0.88X, 0.38" (18-55, +10)
• 0.92X, 0.41" (18-55, 12 mm)
• 0.94X, 0.19" (18-55, +1+10)
• 1.0X, 0.028" (18-55, +2+10)
• 1.0X, 5.0" (55-250, +1+2)
• 1.0X, 5.1" (35)
• 1.1X, 2.3" (35, +1)
• 1.3X, 1.9" (35, +2)
• 1.3X, 3.2" (55-250, +4)
• 1.3X, 3.4" (35, 12 mm)
• 1.4X, 1.5" (35, +1+2)
• 1.5X, 1.2" (35, +4)
• 1.5X, 2.0" (55-250, +1+4)
• 1.6X, 0.58" (18-55, 25 mm)
• 1.7X, 0.91" (35, +1+4)
• 1.7X, 3.7" (35, 25 mm)
• 1.8X, 0.68" (35, +2+4)
• 1.8X, 1.1" (55-250, +2+4)
• 1.9X, 0.48" (35, +1+2+4)
• 2.0X, 0.44" (55-250, +1+2+4)
• 2.3X, 0.028" (35, +10)

cameras

wet cold dark far
X4 photo yes yes yes no
X4 video yes yes no no
TG-6 yes yes no yes
SL2 no no yes yes
SL2 case yes no yes no