Select all files I want in Finder.
Drag and drop onto Preview in the dock.
Drag and drop to reorganise images.
Click View, slideshow.
Photoshop, Altering resolution:
Photoshop works at pixel level. Each pixel is a measure of RBG.
Shoot on the highest resolution for maximum information, but when uploading images I need to use the appropriate size:
- Blogger 640 pixels across
- Flickr (free account) no larger than 1024 pixels
Open images in Adobe Bridge.
Adobe Bridge reveals metadata that informs me about the impact of camera settings on what image results. I can also zoom on parts to check its focus.
Right click on image and select Photoshop.
If the file is in Raw format, Photoshop gives options on processing - select 16 bit/channel for working (too high for internet).
Select tool hovering over part of image gives data eg white light balance (in degrees Kelvin based on sun at midday on horizon and anything either side of this is warmer or cooler) which I can alter along with exposure etc.
Open Image, Image Size dialogue box
Uncheck Resample image
Alter Resolution to 75 (typical screen resolution)
Click OK.
Check Resample Image.
Alter Image Width and Size to suit destination eg 640 pixels for Flickr.
Click OK.
Alter to JPEG format: Image, Mode, 8 bits/channel
File, Save As Select where, new name and choose Format, JPEG. Click Save.
Image options and choose between 10-8.
Click OK.
To re-save at a different resolution use File History to back-step and change Image width to 1040 pixels for Blog and re-save.
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