Help! rotate camera??

[Fonte Boa]

I think the following can be a reasonable summit.

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First go do top menu Edit|Preferences; there at tab "Camera" there is a "Camera Mode" field where user can pick which Camera he wants to work with. After pick one, click OK and that is the current Camera.
To know how to perform the three basic Camera moviments, just read the instructions in Info Line (there are situations when these instructions arent visible, for example when Tweak, Sculpt or Connect modes are on).

The three basic camera operations are:

(1) Tumble: it means to rotate around the point Camera is aimed;
(2) Dolly: it means to zoom in/out the point the Camera is aimed;
(3) Track: it means to pan the Camera (move it to any side).

Each Camera mode has its own keys combos to performe those operations (they are visible in Info Line). At following list, please read lmb as "left mouse button", mmb as "middle mouse button" and rmb as "right mouse button".

( A ) Wings3D Camera mode:
Click with mmb to start camera and, after this, with lmb to accept new camera coordinates.
While camera is active:
Tumble/rotate: just drag the mouse
Track/pan: mmb hold
Dolly/zoom: scroll mouse wheel

( B ) Mirai Camera mode:
Click with mmb to start camera and, after this, with lmb to accept new camera coordinates.
While camera is active, use Q key to switch between Tumble/rotate and Track/pan: in both cases, just drag the mouse
Dolly/zoom: mmb hold

( C ) Nendo Camera mode:
Click the mmb to start camera and, after this, with lmb to accept new camera coordinates.
While camera is active, use Q key to switch between Tumble/rotate and Track/pan: in both cases, just drag the mouse
Dolly/zoom: rmb hold

( D ) 3ds Max Camera mode:
Tumble/rotate: Alt + mmb hold
Track/pan: mmb hold
Dolly/zoom: Ctrl + Alt + mmb hold

( E ) Maya Camera mode:
Tumble/rotate: Alt + lmb hold
Track/pan: Alt + mmb hold
Dolly/zoom: Alt + rmb hold

( F ) Blender Camera mode:
Tumble/rotate: mmb hold
Track/pan: Shift + mmb hold
Dolly/zoom: Ctrl + mmb hold

( G ) MotionBuilder Camera mode:
Tumble/rotate: Ctrl + Shift + lmb hold
Track/pan: Shift + lmb hold
Dolly/zoom: Ctrl + lmb hold

( H ) SketchUp Camera mode:
Tumble/rotate: mmb hold
Track/pan: Shift + mmb hold
Dolly/zoom: scroll mouse wheel