| Century Add-ons for Canon GL1 with Standard 20X Lens |
| Part No. | Description | Focal Length | Aperture | Horiz. Angle of View | 35mm Still Equivalent | Comments |
| Original Lens | 20X | 4.2-84mm | f/1.6-f2.9 | 47?-2.5? | 40-806mm | . |
| DS-55WA-GL | .55X Wide Angle Adapter* | 2.3-23mm | f/1.6 | 77.?-9.2? | 22-220mm | Partial Zoom Capability |
| DS-65CV-GL | .65X Wide Angle Converter* | 2.7-54.5mm | f/1.6-f2.9 | 67.5?-3.8? | 26-523mm | Full Zoom Capability |
| DS-FEWA-GL | .3X Ultra Fisheye Adapter* | 1.26mm | f/1.6 | 125? | 12mm | Partial Zoom |
| DS-20TC-GL | 2X Tele-Converter* | 56-168mm | f/1.6-f2.9 | 3.7?-1.3? | 537-1612mm | Partial Zoom Capability |
| DS-1609-GL | 16:9 Widescreen Adapter* | 4.7mm-37.5mm | f/1.6 | 54?-7.3? | 35.2-281.2mm | Partial Zoom Capability |
| AD-5820 | +2.0 Achromatic Diopter** | | f/1.6-f/2.9 | | | Full Zoom Capability |
| AD-5840 | +4.0 Achromatic Diopter** | | f/1.6-f/2.9 | | | Full Zoom Capability |
| AD-5870 | +7.0 Achromatic Diopter** | | f/1.6-f/2.9 | | | Full Zoom Capability |
| *Bayonet Mt.
**58mm Direct Thread |
Physical Specs - Bayonet Mount Accessories
| | | |
.65X Wide Angle Converter
DS-65CV-GL
10.9oz (305.2g) | 16:9 Widescreen Adapter
DS-1609-GL
7.5oz (210g) | .3X Ultra Fisheye Adapter
DS-FEWA-GL
17oz (486g) |
| | | |
| .55X Wide Angle Adapter
DS-55WA-GL
4.6oz (131g) | 2X TeleConverter*
DS-20TC-58
9.5oz (266g) | |
*screw-in
