My guess would be Ash. Looks like some I have turned. Nice looking pen.
I agree with Ash. It kinda reminds me of wood baseball bat grain.
As to how to take good pictures:
1. Because you quickly learned the difficulty and are seeking better picts, You WILL succeed. Too many settle for "just a pict".
2. Look though this forum for tips:
https://www.penturners.org/forums/pen-photography.24/
and this forum for picts on what looks good and what does not:
https://www.penturners.org/forums/show-off-your-pens.13/
And last, look at the picts in this thread to see what makes a pen stand out (not just the pen design, but the background, lighting etc:
Please post only your segmented pens in here and don't comment on anyones work just Like it then we can keep a record of works. Hope you all like the idea. Purple Heart and Black Ash Burl on a Jr. Gent 2 Fountain in Gold
www.penturners.org
This last one is LONG, but good eye candy.