A:AnswerAbsolutely. (I am assuming you mean a DSLR and really it will depend on the size of the lenses but two standards should be fine.Telephoto may be a but tight.) there are better packs for camera equipment made by the same company. I would shop them a bit.
A:AnswerAbsolutely...... it will fit a 21 inch laptop if you really want to. I had a swiss backpack before i started my job at ATT and this is the first backpack ive got since....so its been about 6 years