DoF Tables for Zeiss Ikon Nettar 515/2

(6x9, f=105mm)

Calculated for a 12"x18" print at 6 lp/mm, ideal lens,
taking diffraction into account.
TMax100 at high and low contrast levels

NB. at f/32 diffraction prevents achieving
the desired resolution with film at a low contrast level.

 

f/4.5

 No film film = 200lp/mm film = 63lp/mm
focus atclosefarclosefarclosefar
1.5m1.48m1.53m1.48m1.52m1.49m1.51m
1.7m1.67m1.73m1.67m1.73m1.69m1.71m
2.0m1.96m2.05m1.96m2.04m1.98m2.02m
2.5m2.43m2.57m2.44m2.56m2.47m2.53m
3.0m2.90m3.11m2.92m3.09m2.96m3.04m
4.0m3.83m4.19m3.86m4.15m3.93m4.08m
5.0m4.73m5.30m4.78m5.24m4.88m5.12m
8.0m7.34m8.79m7.45m8.64m7.70m8.32m
15m12.8m18.1m13.2m17.4m14.0m16.2m
50m32.0m115m34.2m92.9m40.3m65.8m
100m47.0minf52.0m1304m67.6m192m
1000m81.5minf97.7minf173minf
 

f/5.6

 No film film = 200lp/mm film = 63lp/mm
focus atclosefarclosefarclosefar
1.5m1.47m1.53m1.48m1.53m1.49m1.51m
1.7m1.66m1.74m1.67m1.73m1.68m1.72m
2.0m1.95m2.06m1.96m2.05m1.98m2.02m
2.5m2.42m2.59m2.43m2.57m2.47m2.54m
3.0m2.88m3.13m2.90m3.10m2.95m3.05m
4.0m3.79m4.23m3.83m4.19m3.91m4.09m
5.0m4.68m5.37m4.74m5.29m4.86m5.14m
8.0m7.21m8.98m7.35m8.78m7.66m8.38m
15m12.5m18.9m12.9m18.0m13.8m16.4m
50m29.7m158m32.1m113m39.1m69.4m
100m42.3minf47.4minf64.1m227m
1000m68.2minf82.5minf152minf
 

f/8.0

 No film film = 200lp/mm film = 63lp/mm
focus atclosefarclosefarclosefar
1.5m1.46m1.54m1.47m1.53m1.49m1.52m
1.7m1.65m1.76m1.66m1.74m1.68m1.72m
2.0m1.93m2.08m1.94m2.06m1.97m2.03m
2.5m2.39m2.62m2.41m2.60m2.46m2.54m
3.0m2.84m3.18m2.87m3.14m2.94m3.06m
4.0m3.73m4.32m3.78m4.25m3.89m4.11m
5.0m4.58m5.51m4.66m5.40m4.84m5.18m
8.0m6.98m9.38m7.16m9.07m7.59m8.46m
15m11.8m20.7m12.3m19.3m13.6m16.7m
50m26.1m606m28.8m189m37.3m75.9m
100m35.3minf40.5minf59.4m316m
1000m51.7minf63.6minf128minf
 

f/11.0

 No film film = 200lp/mm film = 63lp/mm
focus atclosefarclosefarclosefar
1.5m1.45m1.55m1.46m1.54m1.48m1.52m
1.7m1.64m1.77m1.65m1.75m1.68m1.72m
2.0m1.91m2.10m1.93m2.08m1.97m2.03m
2.5m2.36m2.65m2.39m2.62m2.46m2.55m
3.0m2.81m3.23m2.84m3.17m2.94m3.07m
4.0m3.66m4.41m3.73m4.32m3.89m4.12m
5.0m4.48m5.66m4.58m5.50m4.82m5.19m
8.0m6.75m9.83m6.98m9.37m7.55m8.50m
15m11.1m23.0m11.8m20.7m13.5m16.9m
50m23.1minf26.1m570m36.5m79.4m
100m30.1minf35.4minf57.5m384m
1000m41.3minf52.0minf119minf
 

f/16.0

 No film film = 200lp/mm film = 63lp/mm
focus atclosefarclosefarclosefar
1.5m1.44m1.57m1.45m1.55m1.49m1.51m
1.7m1.62m1.79m1.64m1.77m1.68m1.72m
2.0m1.89m2.12m1.92m2.09m1.98m2.02m
2.5m2.33m2.70m2.37m2.64m2.46m2.54m
3.0m2.76m3.29m2.82m3.21m2.95m3.05m
4.0m3.59m4.52m3.68m4.38m3.91m4.10m
5.0m4.37m5.85m4.51m5.61m4.86m5.15m
8.0m6.50m10.4m6.82m9.68m7.64m8.40m
15m10.5m26.5m11.3m22.2m13.8m16.5m
50m20.4minf24.0minf38.6m71.0m
100m25.7minf31.5minf62.8m245m
1000m33.4minf44.0minf144minf
 

f/22.0

 No film film = 200lp/mm film = 63lp/mm
focus atclosefarclosefarclosefar
1.5m1.43m1.58m1.45m1.55m1.50m1.50m
1.7m1.61m1.80m1.64m1.77m1.70m1.70m
2.0m1.88m2.14m1.92m2.09m2.00m2.00m
2.5m2.32m2.72m2.37m2.65m2.50m2.50m
3.0m2.74m3.32m2.82m3.21m3.00m3.00m
4.0m3.55m4.58m3.68m4.38m4.00m4.00m
5.0m4.31m5.95m4.51m5.61m5.00m5.00m
8.0m6.38m10.7m6.81m9.70m7.99m8.01m
15m10.2m28.7m11.3m22.3m15.0m15.0m
50m19.3minf23.9minf49.6m50.4m
100m23.9minf31.4minf98.4m102m
1000m30.5minf43.7minf860m1194m
 

f/32.0

 No film film = 200lp/mm film = 63lp/mm
focus atclosefarclosefarclosefar
1.5m1.44m1.56m1.47m1.53m********
1.7m1.63m1.78m1.67m1.74m********
2.0m1.90m2.11m1.95m2.05m********
2.5m2.34m2.68m2.43m2.58m********
3.0m2.78m3.26m2.89m3.12m********
4.0m3.61m4.48m3.81m4.21m********
5.0m4.41m5.78m4.71m5.33m********
8.0m6.58m10.2m7.28m8.89m********
15m10.7m25.2m12.6m18.4m********
50m21.3minf30.8m132m********
100m27.1minf44.6minf********
1000m35.8minf74.4minf********

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