Panasonic's Lumix DMC-LZ7 — 7.2MP AA-powered compact with stabilised 6x 37-222mm equivalent zoom, 2007
The Panasonic Lumix DMC-LZ7 was announced in January 2007 together with the DMC-LZ6, continuing Panasonic's line of AA-powered long-zoom compacts begun with the LZ1 and LZ2. The series occupied the ground between ordinary pocket compacts and the larger FZ bridge cameras.
It combines a 7.2-megapixel CCD with an optically stabilised 6x zoom equivalent to 37-222mm, a 2.5-inch 115,000-pixel LCD and the Venus Engine III processor offering full-resolution sensitivity up to ISO 1250. Around 27MB of internal memory supplements SD/SDHC cards, and two AA batteries provide power; the camera measures about 99x62x33mm and weighs roughly 239g loaded with card and cells.
The LZ7's appeal is practical: AA power, real zoom reach and Mega O.I.S. stabilisation in a chunky but still pocketable body. It suits family and travel snapshooters and remains easy to run today because it needs no proprietary charger. Image quality is typical small-sensor CCD fare, at its best in good light.
AA operation sidesteps the dead-proprietary-battery problem, so focus checks on mechanics: full zoom travel without lens errors, a clean LCD, and no corrosion in the battery bay from leaked alkalines. Test with fresh NiMH cells, since tired alkalines can mimic faults, and confirm the SD door latch and tripod bush are undamaged.