This week's topic is 500 !
I have no idea myself yet, and hopefully you are all more creative than me, but it seemed too important a POTN number to miss 
To submit an entry, click Post Reply and put your photo name and camera model in the Subject line, or in the body text of your entry.
===============
Post until Tuesday at 12 noon GMT, Dec 12, 2017.
Voting starts Tuesday at 12 noon GMT, Dec 12, 2017.
Vote until Thursday midnight GMT, Dec 14, 2017.
===============
Photo Submissions:
1. Camera -- Any Canon PowerShot Series Camera (SD-series, ELPH, IXUS, SX-series, D-series, A-series, S1/2, & S-series only ... No Pro 1's or G-Series!!!)
2. Time -- Any on-topic photo taken at any time is eligible, although photos that have won other competitions should NOT be entered.
3. Size -- Photos must be no larger than 1280 pixels on the longest side, with NO BORDERS.
4. Post-Processing -- Do whatever you like and the host will decide if it works.
5. Posting:
*One photo per photographer in each challenge.
*Photo title optional.
*Camera model.
*EXIF data, if you like.
6. Commenting:
*No commenting on photos by anyone, including the photographer until voting is closed.
*Once the winners are declared, photographers can add comments to their images and everyone is invited to discuss.
7. Photo Display -- Photos must appear in this thread to be eligible.
8. Hosting & Resizing -- If you need assistance readying your image for entry, please PM either a moderator, or the person running this week's challenge.
===============
*The person running this week's contest breaks any tie.
*New Topic ... Posted as soon as possible after winning.
*Posting Starts ... Right after topic is announced.
*Winner's Announcement ... As soon as possible after voting closes.
*Winner chooses new contest topic and starts the next challenge as soon as possible.
Have fun.
