Question: I sometimes find I want to photograph a room showing the view outside the window. This is tricky — either you adjust the shutter speed so that the the window is so bright you can see no detail, or the room looks very dark and gloomy. 

Are there any techniques I can use to get the best photo showing as much as possible of both room and view? 

My camera is a Sony Nex3, and for this sort of thing I usually use it with an elderly Pentax-M 1:2.8 / 28mm manual focus lens with an adaptor, although I would be prepared to buy another (cheap manual!) lens.

Answer: 
Any camera is going to struggle with the dynamic range of that sort of situation. Very hard to get the room and the outside both exposed reasonably at the same time. With enough flash power you can do it by flooding the room with light I suppose.

But the easier way is to use a tripod and take two exposures, one for the inside and one for out, and blend them together in your editing tool. I think it's best if you leave the outside exposure pretty bright, otherwise it looks fake.

You can use HDR, but if you have a few windows that are easy to mask, I'd just blend two exposures manually.

Simple example:

Light exposure for the room

![enter image description here](https://i.stack.imgur.com/nDjCs.jpg)

Dark exposure for the outside

![enter image description here](https://i.stack.imgur.com/Ir8JI.jpg)

Blended exposure

![enter image description here](https://i.stack.imgur.com/KEX6u.jpg)
1. HDR
2. Flash fill such that flash deals with inside view and ambient deals with exterior.  

Juggle to suit. See photo example below.
3. Long exposure with a manually moved mask between light and dark to balance exposures. There is a whole art-form based around doing this.
4. Multiple exposures and manual combining. Can be reasonably easy with tripod due to sharply defined exterior / interior spaces in many cases.
5. Stan Rogers old time solution - stick ND material over windows on outside !!!!!!!!! [Wow!].
6. Handy pocket Mr Fusion halogen lamp. Hard to come by. So far.  

One or more 100 Watt CFL tube (about 400 W - 500 W tungsten equivalent output) makes a fair not too dear reasonably compact stand in. (They sold these here (in NZ) for some years but have stopped doing so.
7. Long exposure with multiple manual flash washing. Takes some experience but you can differentially illuminate target area. I have never done this "in anger" with a flash but using an LED or other lamp to "wash" an area at night with long exposure can be great fun and even useful.

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Photo: With and without fill flash. I had minimal time to 'play', so no effort made to optimise, and it uses on-camera flash. Given time I'd reduce flash level somewhat and better balance ambient and flash so some shadowing remains from eg phone on bed or grand old lady [tm]. [Note full flash reflection in window of room opposite - whoops.] 

![enter image description here](https://i.stack.imgur.com/7pVOW.jpg)