Live View & Displays
The K-30's live view implementation has slightly changed compared to the K5 but AF speed has slightly improved. The contrast detect AF is not as fast as in most mirrorless system cameras such as the Panasonic G-series or the Sony NEX. However, compared to previous generations, the AF speeds are now good enough to make live view a viable alternative to viewfinder shooting in some situations.
Live view is initiated using the dedicated 'LV' button the the left of the viewfinder on the camera's rear. The K-30 has done away with the K-5's phase-detection AF option in live view but there are now four contrast detect options - Face Detection, Tracking, Manual AF area selection and Spot AF (center point).
The K-30's live view image can be magnified by pressing OK while the focus is locked (this does not work in AF Tracking mode). You can then use the rear dial to switch between 2x, 4x, and 6x magnification. Like on the K-5 none of the magnification stages give a particularly sharp screen image, and maximum magnification especially is perhaps a step too far, but even so it's quite effective for judging manual focus assuming a relatively high-contrast target.
Like many other cameras the K-30 simulates exposure in live view mode by darkening or brightening the live view image when you dial in exposure compensation or change shutter speed/aperture in manual exposure mode. However, the degree to which the live view image brightness changes is more limited than on other cameras with this feature and only gives you a very rough approximation of the final image's exposure. A histogram can be overlaid but as usual, this just shows the tonal distribution of the image on the LCD screen - i.e. not the estimated tonal distribution of the final image - and is therefore no more help.
|In live view you can overlay a histogram but it only shows the tonal range of the live image rather than the final exposure.||The live view image can be magnified up to 6x which is particularly useful for manual focus.|
|White Balance, ISO and other parameters are superimposed on the live view image when you press the respective button.||In the live view menu section you can select focus mode, activate focus peaking and turn on the grid display among other things.|
Record review and play images
Selection of the image review options has changed on the K-30 compared to previous Pentax DSLR models. While you could previously cycle through the available display options by pressing the INFO button you now get a display selection screen instead. Here you can choose between the Standard Information Display, the Detailed Information Display, the Histogram Display, the RGB Histogram Display and the No Information Display. The display options themselves are pretty much identical to those on the K-5 and other previous Pentax models.
|The display selection screen lets you choose your preferred display type.||The Standard Information Display gives you basic shooting information. In the playback menu you can also opt to see highlight and shadow areas.|
|In the Detailed Information Display you get to see all essential shooting parameters and a thumbnail version of the image.||In the histogram view you can switch between RGB histograms and a luminance histogram by pressing the down arrow on the four-way controller.|
|The RGB Histogram display provides you with a histogram for each color channel.||The last option displays the image without any overlaid shooting data.|
Play thumbnail index and magnification
As on previous Pentax models, thumbnail and magnification views can be entered using the rear dial. The K-30 lets you choose from several thumbnail display screens by pressing the INFO button - 2x2, 3x3, 3x3, 6x6 or 9x9. You can magnify the image up to 16x and optionally preset the initial zoom step. If you 'zoom out' on step further from the thumbnail view you get to the folder view.
|1.2x magnification||16x magnification|
|3 x 3 thumbnail view||Folder view|