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My D40 setup
By an Amazon.com customer
Nikon D40 6.1MP Digital SLR Camera Kit with 18-55mm f/3.5-5.6G ED II AF-S DX Zoom-Nikkor LensNikon D40 6.1MP Digital SLR Camera Kit with 18-55mm f/3.5-5.6G ED II AF-S DX Zoom-Nikkor Lens
Buy new: Too low to display / Used from: $394.97
Everything revolves around camera. I don't need more than 6 megapixels; my final results are resized to ~2 megapixels anyway. I leave the set's Nikkor 18-55 as a backup at home.
Nikon 18-200mm f/3.5-5.6 G ED-IF AF-S VR [Vibration Reduction] DX Lens + Hoya 72mm UV Haze Protector Glass Filter + CapKeeper Lens Cap Strap + 6-Piece Cleaning Kit - for Nikon Digital SLR Cameras including Nikon D40, D40x, D50, D70, D70s, D80, D100, D200 & D300Nikon 18-200mm f/3.5-5.6 G ED-IF AF-S VR [Vibration Reduction] DX Lens + Hoya 72mm UV Haze Protector Glass Filter + CapKeeper Lens Cap Strap + 6-Piece Cleaning Kit - for Nikon Digital SLR Cameras including Nikon D40, D40x, D50, D70, D70s, D80, D100, D200 & D300
Buy new: $639.95
The primary lens for my D40 - it stays on the camera for about 75% of the time. The picture quality are just about right for my purposes.
Sigma 10-20mm f/4-5.6 EX DC HSM Lens for Nikon Digital SLR CamerasSigma 10-20mm f/4-5.6 EX DC HSM Lens for Nikon Digital SLR Cameras
Buy new: $455.05
When Nikkor 18-200 is not on my camera, I use this wide-angle beast. Usually using it at 10mm. Featuring HSM, it is fully compatible with D40, including focusing.
Adorama Step-Up Adapter Ring 72mm Lens to 77mm Filter SizeAdorama Step-Up Adapter Ring 72mm Lens to 77mm Filter Size
Buy new: $6.88
I want all filters to have identical dimensions, and for Nikons the common dimension is 77mm. This step-up ring is used for Nikkor 18-200; Sigma 10-20 is already 77mm.
B+W Graduated 502 neutral density - Filter - graduated - 77 mmB+W Graduated 502 neutral density - Filter - graduated - 77 mm
Buy new: $74.03
For landscape shots, this is a basic solution to manage the contrast of the ground and the sky. This filter is useful when travelling; for more advanced compositions, I use Cokin filter system.
Hoya 77mm DMC PRO1 Digital Circular Polarizer Glass FilterHoya 77mm DMC PRO1 Digital Circular Polarizer Glass Filter
Buy new: Too low to display
Many landscape shots require polarizer filter. As we are talking about digital SLR here, circular polarizer filter is necessary.
Cokin Filter Holder P with 77mm Adpater Ring & 28 Page Instruction Book for Cokin P systemCokin Filter Holder P with 77mm Adpater Ring & 28 Page Instruction Book for Cokin P system
Buy new: $13.27
Cokin filter system allows for more creativity with gradual density filters.
Cokin P120 Filter, P, Grey Graduated G1Cokin P120 Filter, P, Grey Graduated G1
Buy new: $24.80
Gradual filter for Cokin system.
Cokin P154 Filter, P, Grey Neutral Density 8XCokin P154 Filter, P, Grey Neutral Density 8X
Buy new: $20.05
Neutral filter for Cokin systems. As less light passes through it, longer shutter times are possible (nice for shots of flowing water, blurred people etc.)
Lowepro Nova 3 AW Camera Bag (Black)Lowepro Nova 3 AW Camera Bag (Black)
Buy new: $38.99 / Used from: $22.99
The container for all the equipment. It's all-weather model and so is the stuff safe even in the storm.
Nikon SB-400 AF Speedlight for Nikon Digital SLR CamerasNikon SB-400 AF Speedlight for Nikon Digital SLR Cameras
Buy new: $99.95 / Used from: $89.95
A compact, but great flashlight for D40.
Kata E-690 Medium Digital SLR Camera RaincoverKata E-690 Medium Digital SLR Camera Raincover
Buy new: Too low to display
Sometimes, there is need to take pictures even in the rain. This cover protects the camera and the lens. (Well, lens usually need some home-made cover addition, as this Kata set is for shorter lens only.)