This is simply the usual compromise between weight and image quality and range..
As we don't know what you plan to shoot we can't advise you. Likewise we don't know if you travel by private limo with a team of slaves or by backpack with your bad leg. .
An 18-200 with a 50mm f1.8 prime would be my preference. You're pretty well covered for general shooting and the 50mm makes a great quality portrait lens..
The only issue you could have is if you plan to shoot high quality wildlife shots - you need a proper ( = big and expensive ) lens for that..
If you add a reversing ring ( cheap and light ) for the 50mm you also get a very nice (manual) macro lens for occasional use..
Perhaps an ND4 or ND8 filter ( if you know how to use them ). Again light and cheap..
Maybe a spare battery..
Get a plain looking bag to carry around as it won't attract as many thieves. Walk around with a flashy bag and you may as well paint "mug me" on your tee-shirt. ( No reflection on Asia - it's the same everywhere )..
Insurance ? .
Pentax K100DFuji S5200Fuji E900PCLinuxOS..
It is not a stellar performer. It is also very slow at the tele end..
Personally, I would want a very good fast wide angle zoom, and a fast intermediate range zoom. But that's me..
The greatest of mankind's criminals are those who delude themselves into thinking they have done 'the right thing.'- Rayna Butler..
Ok here is what I plan to do..
I am going to japan for a year on a working holiday visa then go to to china then southeast asia till my money runs out. I will be doing a budget trip so staying in hostels and dining on the cheaper side.
I will be taking pics of the city, wildlife, people, and landscape so pretty much a bit of everything.
Hope this helps I'm leaning more towards staying with the 3 lens instead of buying the 18-200mm..
Lucky you. I wish I had the guts to do that..
You're pretty much covered with your lenses but I feel that having a fast prime is always helpful. I prefer a 30mm over a 50mm but that's my own preference. I don't know your shooting style but for city and interior shots, the 30mm is better on a camera such as yours...
Hi I am going to be going on a years trip through asia maybe longer.i have the d40x and 18-50 kit lens, 50-200vr lens and the sigma10-20mm lens.
Now I want to keep things as simple as possible so I was thinking ofbuying the 18-200mm lens from either sigma or nikon, I'm thinking ofthe sigma just becasue it's cost is a little cheaper.should I take a 3 lens and not even bother with the 18-200mmi dont mind the little inconvience if I'm getting a better photo.
You could just save some money for the trip and use the lenses that you already have..
But, if you have already budgeted to buy an 18-200, you might look at the Nikon AFS 70-300VR (as it is basically the same price as the Sigma 18-200 OS) instead and leaving the 55-200 at home!.
Where you are going I think you might like having a little more telephoto handy!.
J. D.Colorful Colorado.
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Remember.always keep your receipt, the box, and everything that came in it!..
I think, maybe more guts is needed to stay wherever you are and grow old, without doing things you would love to do:-)) Just do it; you will always find plenty of reasons NOT doing things like this... house?mortgage?Job?Age?.......
Minimize weight in the bag - and also weight around your neck, which can be (literally) a real pain if you're travelling and using your camera continuously. If I were to take a single wide-range zoom it would be the Tamron 18-250 (or the rebadged version which appears in several systems). But this is not a small or light lens, and for travel I personally prefer the 18-50/50-200 two-lens solution. At the cost of a bit of lens changing, this spreads the weight around a bit, and the smaller lenses are less conspicuous for street photography. Whatever you do, first pack your camera bag with what you think will need - just the essentials.Then remove half. When you're slogging your way to a bus stop in rural Cambodia you will be glad you did..
Anyway, backup body, more memory and more batteries are more useful on a trip like that than extra lenses.tim..