Nikon D40 manual Other Accessories, Approved Memory Cards, Filters

Other Accessories

•Diopter adjustment viewfinder lenses: Lenses are available with diopters of –5, –4, –3, –2, 0, +0.5, +1, +2, and +3m–1. Use diopter adjustment lenses only if the desired focus can not be achieved with the built-in diopter adjustment control (–1.7 to +0.5m–1). Test diopter

adjustment lenses before purchase to ensure that the desired focus can be achieved. Viewfinder • DG-2 magnifier: Magnify the scene displayed in the center of the viewfinder for close-up eyepiece photography, copying, telephoto lenses, and other tasks that require added precision. accessories Eyepiece adapter required (available separately).

Filters

• Eyepiece adapter: Attach the DG-2 magnifier to the D40.

• DR-6right-angle viewing attachment: The DR-6 attaches at a right angle to the viewfinder eyepiece, allowing the image in the viewfinder to be viewed from above when the cam- era is in portrait orientation.

• Nikon filters can be divided into three types: screw-in, slip-in, and rear-interchange. Use Nikon filters; other filters may interfere with autofocus or electronic range finding.

• The D40 can not be used with linear polarizing filters. Use the C-PL circular polarizing fil- ter instead.

• The NC and L37C filters are recommended for protecting the lens.

• When using an R60 filter, set exposure compensation to +1.

• Moiré may occur if a filter is used when the subject is framed against a bright light or when a bright light source is in the frame.

• Center-weighted metering is recommended with filters with exposure factors (filter fac- tors) over 1× (Y48, O56, R60, X0, X1, C-PL, ND4S, ND8S, A2, A12, B2, B8, B12).

Approved Memory Cards

The following SD memory cards have been tested and approved for use in the D40. All cards of the designated make and capacity can be used, regardless of speed.

SanDisk	64MB, 128MB, 256MB, 512MB, 1GB, 2GB*, 4GB*†
Toshiba	64MB, 128MB, 256MB, 512MB, 1GB, 2GB*, 4GB*†
Panasonic	64MB, 128MB, 256MB, 512MB, 1GB, 2GB*, 4GB*†
Lexar	128MB, 256MB, 512MB, 1GB (Platinum II/Professional), 2GB (Platinum II/Professional)*
* If card will be used	with card reader or other device, check that device	† SDHC compliant. If card will be used with card reader or
supports 2GB and 4GB cards.		other device, check that device supports SDHC.

Operation is not guaranteed with other makes of card. Contact the manufacturer for details on the above cards.

Memory Cards

•Format memory cards in the camera before first use.

•Turn the power off before inserting or removing memory cards. Do not remove memory cards from the camera, turn the camera off, or remove or disconnect the power source during formatting or while data are being recorded, deleted, or copied to a computer. Failure to observe these precau- tions could result in loss of data or in damage to the camera or card.

•Do not touch the card terminals with your fingers or metal objects.

•Do not apply force to the card casing. Failure to observe this precaution could damage the card.

•Do not bend, drop, or subject to strong physical shocks.

•Do not expose to heat, water, high levels of humidity, or direct sunlight.

102 Technical Notes/Optional Accessories