Display image center in the Div height

<div id="divMain">
<img src="#" class="image"/>
</div

#divMain {
    position: relative;
    width: 200px;
    height: 200px;
}
img {
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto;
}
.image {
    min-height: 50px
}