The issue of unintentional camera shake, bugs many of us Macro photographers.
A tripod is definitely a good solution. However, whenever you do not have a tripod, you could still take some good Macro pictures.
Let us see how
Canon 1200D DSLR
Tokina 100mm f2.8 macro
Manual mode, f5
Time - around 5 pm
Weather - Partly cloudy
Let us see the first picture at an ISO - 100 shutter speed - 1/8th of a second and an f-stop equal to f5. A little bit of wind or your own minor shaking of hands is all that is needed to make the picture blur, like the one below
I did not use a tripod.
Now let me rack up the ISO to 800 in the manual mode with the same f stop - f5, it led to a faster shutter speed of 1/60th of a second compared to the previous setting, and this is what I got.
Way clearer, despite a little bit of camera movement due to handshake.
This is because the higher the ISO, the more the camera sensor becomes sensitive to light, which leads to faster shutter speed. If the shutter speed, is faster the picture would have been taken faster than your camera shake.
Let us see another example:
Increasing the ISO to 3200 in the manual mode with the same f stop - f5, led to a faster shutter speed of 1/250th of a second compared to the previous setting
Now for the last one ISO 6400, f5 and 1/500th of a second, we have this
There you go, the picture is noisy. This is the side effect of increasing your ISO beyond certain limits.
No tripod, no problem just increase your iso to a certain limit only
Increasing your ISO, will increase your shutter speed, thereby capturing the picture even before the shake is recorded.