Nikon specifically states that the D50 can only accommodate up to a 2GB SD card. However, some users find they can use the 4GB card with their D50s (see Resources). Although not guaranteed, use only SDSC and not SDHC (High-Capacity) cards.
The model of Nikon camera will determine the specific memory cards that are approved for use. Most Nikon cameras support a wide range of memory card sizes from 512 MB to 8 GB and up.
SD, SDHC, and SDXC memory cards
You just have to press it in gently, and the memory card will pop out a bit. Just enough to pull it out.
The camera has about 50MB of internal memory and accepts SD/SDHC memory media
Try re-formatting the card in the camera. Consult your manual. Note: this will erase any images on the card.
this will all depend on which model because different models will take different quality picture.approximates for 2GB assuming you're using standard jpegs:4mp 5mp 6mp 8mp892 558 531 495
SD
how do i put my memory card in the camera, it won't fit
SD
It depends on the camera and the size of the memory card.
The memory card is camera specific, however the camera itself is waterproof, and that includes the SD card slot. So any card which works with the slot will work with the camera.
This is relative to your camera's settings (specifically its resolution) as well as the amount of internal memory your camera has and the size of your memory card.
No, a memory card reader is not required if your camera has a usb cable.
if you have a photo printer you can stick the memory card in there or put it in your camera and connect your camera to the computer