| (It must be remembered however that satellite | | | | Easier archiving of electronic data with instant recall. |
| imagery rarely competes with Oblique Aerial | | | | Easier manipulation of images for both archiving in |
| Photography where and angle is required) For many | | | | Aerial Photographic Libraries and e-mailing. |
| years aerial photographers like their land-based | | | | Disadvantages of digital over film: - |
| colleagues have relied on film and it has only been in | | | | Limitation in size of printable image depending on size |
| the last few years that the digital equipment has | | | | of sensor. Most semi-pro DSLR's do not have full |
| been able to rival film. This is still not true for large | | | | frame sensors, therefore smaller than 35mm. |
| prints where medium format film cameras provide | | | | Professional DSLR cameras do have full frame |
| the benchmark in perfect conditions such as display | | | | sensors but these are roughly the equivalent of a |
| Construction Photography. | | | | 35mm film camera and no larger. |
| The main advantages digital has over film: - | | | | Meduim format digital cameras are not usually |
| Greater flexibility - allows photography in poorer | | | | appropriate for use in Aircraft due to the restriction |
| condition which would not normally be possible, e.g. | | | | on ISO settings and the very high cost. |
| Photography in low light - ISO's up to and above | | | | Possible to loose data inadvertently. |
| 1600. | | | | Camera battery power is paramount. |
| Immediate data recall and review while on location. | | | | Need for constant hardware and software upgrades. |
| No changing film. | | | | For many aerial photographers the move to digital |
| High capacity memory cards allow hundreds of | | | | equipment has not only provided greater flexibility but |
| images on one card (depending on image size) - | | | | has also reduced processing costs as many clients will |
| especially important where a large number of images | | | | not require prints but only the digital files on a disc. |
| are to be taken in a short space of time, such as | | | | Although there will be a large initial outlay for the |
| Event Aerial Photography. | | | | equipment the savings over time on the lab |
| Image stabilization on lenses. | | | | processing fees should outweigh these. |
| Immediate image transfer from the office to clients. | | | | |