Touchscreen on the Sony A900?

The rear monitor on the Sony Alpha A900 is not touch sensitive. All interactions with the camera's firmware, thus, have to be entered through buttons and dials on the camera body. While this method of operating a camera might not be as intuitive as a touch interface and requires the photographer to memorize the functions of the external controls, it avoids accidental setting changes from unitentional contacts with the screen.

In terms of size and resolution, the rear LCD of the Sony A900 measures 3.0 inches and offers a resolution of 922,000 dots.

Back side of the Sony A900 with LCD

As can be seen from the rear-side image, the 3.0-inch LCD occupies a large part of the backside of the camera. For comparison, the diagonal on a standard credit card measures 4 inches.

Camera to camera comparisons

The Sony Alpha A900 is a DSLR (Digital Single Lens Reflex) camera that was officially introduced in September 2008 and is equipped with a full frame sensor. It offers a resolution of 24.4 megapixel. In the United States, the camera was initially launched at a price of $2,999.

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The table below compares the rear screen specs of the Sony A900 to those of several similar cameras. Additionally, the table includes some information on other core features, such as the viewfinder, shutter, flash, and image stabilization system.

LCD and Other Feature Comparison

		Camera Model	Viewfinder (Type or 000 dots)	Control Panel (yes/no)	LCD Specifications (inch/000 dots)	LCD Attach- ment	Touch Screen (yes/no)	Mech Shutter Speed	Shutter Flaps (1/sec)	Built-in Flash (yes/no)	Built-in Image Stab
1.		Sony A900	optical	Y	3.0 / 922	fixed	n	1/8000s	5.0/s	n	Y
2.		Canon 5D Mark III	optical	Y	3.2 / 1040	fixed	n	1/8000s	6.0/s	n	n
3.		Canon 5D Mark II	optical	Y	3.0 / 920	fixed	n	1/8000s	3.9/s	n	n
4.		Nikon D700	optical	Y	3.0 / 922	fixed	n	1/8000s	8.0/s	Y	n
5.		Panasonic S1	5760	Y	3.2 / 2100	full-flex	Y	1/8000s	9.0/s	n	Y
6.		Sony A7 III	2359	n	3.0 / 922	tilting	Y	1/8000s	10.0/s	n	Y
7.		Sony A9	3686	n	3.0 / 1440	tilting	Y	1/8000s	20.0/s	n	Y
8.		Sony A99 II	2400	Y	3.0 / 1229	full-flex	n	1/8000s	12.0/s	n	Y
9.		Sony A7S II	2400	n	3.0 / 1229	tilting	n	1/8000s	5.0/s	n	Y
10.		Sony A99	2359	Y	3.0 / 1229	full-flex	n	1/8000s	6.0/s	n	Y
11.		Sony A850	optical	Y	3.0 / 922	fixed	n	1/8000s	3.0/s	n	Y
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

In case you would like to check on the differences and similarities with other camera models, just make your choice using the following search menu. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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