Nikon D5000 with 18-55mm f3.5-4.5 VR Nikkor qr but it's a decent option

but it's a decent option for light-duty use

But the CX440 is still fairly lightweight

but it doesn't have an aperture control ring

Need to shoot verticals with your Mamiya M645

Nikon Zoom-Nikkor 43-86mm f3

Nikon D5000 with 18-55mm f3.5-4.5 VR Nikkor qr but it's a decent optionThe Nikon D5000 is a compact DX format DSLR camera that shoots 12mp stills or 720p video at up to 30fps. It's fully compatible with modern AF S lenses, and can be used with most F mount lenses from the earliest pre AI to newer AF D with varying levels of metering and focusing function. In excellent condition, with approximately 9000 actuations. Includes a Nikon 18 55mm f3. 5 5. 6G ED AF S VR Nikkor lens, battery, charger, strap, and instructions.