Richard
TPF Noob!
- Joined
- Feb 23, 2007
- Messages
- 269
- Reaction score
- 0
- Location
- North Carolina, USA
- Website
- www.raeelle.com
- Can others edit my Photos
- Photos NOT OK to edit
What does it mean if the filter is has a single or a double thread? My guess is that it has threads on both sides to stack, but I'm not sure if that is correct. Thanks.