You'll be able to see the air cell....and probably little else.So we had our fun taking pics of light colored silkie eggs. We will see in time how we do with some off the darkest eggs out there
Have done many a wellie, marans, EE; hard do see much in most of them.....
...compared the little white ones.
Tho some of the ones I see in your bator don't look really dark.
Time will tell...Best of cLuck!!