ISO sensitivity ranges from ISO 100 to ISO 3200 and shutter speeds 30 to 1 / 4000 seconds in 1 / 3 EV increments. There are several white balance modes, including automatic and manual with seven stages. Both cameras have the above characteristics. The main difference is the A390 has a magnification of 0.74x viewfinder, while the A290 has a .83 x magnification viewfinder.
Continuous shooting at 2.5 frames per second is the second camera using the viewfinder A390 can capture 2 frames per second when using Live View. In JPEG mode, continuous shooting is limited to the amount of available storage. Limiting continuous current RAW mode to shoot 6 frames RAW + JPEG and you can shoot pictures complains only three continuous frames. Both have the NP-FH50 lithium battery and has a mini-HDMI connections. Batteries can be used for up to 500 Shoots.
Size 128.1 x 97.1 x 83.5mm and weighs 497g A390, 128.1 x 97.1 x 79.6mm measures and a weight of 456g A290, this is the second big no batteries .. According to DPReview aka A390 sells for $ 600 or about USD $ 5,500,000 and A290 will be sold with the price of $ 500 or around Rp.4.600.000.
Both will be traded next month plans. The second hypothetical above prices are already a number of lenses, but this is not proven, as there is no further information.