Panasonic lumix s 18 40mm f 4 5 6 3 vs panasonic 20 60mm f 3 5 5 6?

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From Panasonic Lumix S 18-40mm f/4.5-6.3: Panasonic Lumix S 18-40mm f/4.5-6.3: A zoom lens by Panasonic for Full frame cameras, 18-40mm f/4.5-6.3. Specs - Maker: Panasonic - Focal length: 18-40mm (zoom) - Maximum aperture: f/4.5-6.3 (it gets darker as you zoom in) - Made for: Full frame sensors - Mounts: L-Mount - Stabilised: no - Autofocus: yes What it frames like - On full frame (L-Mount): as marked, 18-40mm. - On APS-C (L-Mount): like 27-60mm on full frame; f/4.5-6.3 gives about ...

From Panasonic Lumix S 20-60mm f/3.5-5.6: Panasonic Lumix S 20-60mm f/3.5-5.6: A zoom lens by Panasonic for Full frame cameras, 20-60mm f/3.5-5.6. A kit zoom that starts at a genuinely wide 20mm.

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