Parking_Association4

joined 11 months ago
[–] Parking_Association4@alien.top 1 points 11 months ago (1 children)

what confuses me is aperture diameter in aps-c 23mm f/1.4 is 16 while 35 in f/1.4 is 25. we all know that the bigger the aperture diameter, the more light comes inside the sensor, the more light, means faster shutter speed.

[–] Parking_Association4@alien.top 1 points 11 months ago (7 children)

what confuses me is aperture diameter in aps-c 23mm f/1.4 is 16 while 35 in f/1.4 is 25. we all know that the bigger the aperture diameter, the more light comes inside the sensor, the more light, means faster shutter speed.

aperture diameter is a part of mechanical (size) that affects the light.

[–] Parking_Association4@alien.top 1 points 11 months ago (1 children)

what confuses me is aperture diameter in aps-c 23mm f/1.4 is 16 while 35 in f/1.4 is 25. we all know that the bigger the aperture diameter, the more light comes inside the sensor, the more light, means faster shutter speed.

is this true?

[–] Parking_Association4@alien.top 1 points 11 months ago (3 children)

do you mean that aps-c has an advantage over full frame on in terms of shutter speed?

for example, I am shooting at 35mm at 1.4 with 1/80s on full frame at the exact same light situation where I use an an APS-C sensor at 23mm at 1.4 will I get 1/80s?

if yes, 1/80s on APS-C will more less subject motion blur?

 

it is said that full frame aperture equivalent of 2.8 to aps-c is 4.2. does it mean that shutter speed of aps-c is one stop slower that full frame on the same aperture? given the same focal length equivalent e.g. aps-c 23mm and ff 35mm.