Quote:
Originally Posted by gregbradley
I processed the images from the other night. F2 ISO3200 8 seconds gave round stars, noise not too bad and quite bright. 15 seconds shows some star trailng but quite bright. I think F1.4 may be able to used sometimes but F2 seems good. Not sure why the camera offered F2 as next step up from F1.4. Don't know what happened to F1.8??
.........
|
F1.8 is not a full stop from F1.4 it is actually F1.4 +2/3, in many lenses marked as F1.8 the aperture is actually very close to F2 but the makers like to use a bit of poetic licence.