Storage And Cleaning; Product Specifications - Nikon DSA-N1 Manual De Instrucciones

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Storage and cleaning

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Do not wash the product with cold or hot water.
Gently wipe off dirt from the product (except for the lens) by using a soft, clean cloth.
Do not use organic solvents, such as alcohol, benzine, or paint thinner, or cleaning solution that
contains any organic solvents.
Remove dust from the surface of the lens with a soft, non-oily brush.
Remove fingerprints, etc., from the lens surface by gently wiping them with cleaning paper or
soft cleaning cloth that has been dampened with a small amount of anhydrous alcohol (ethanol)
or commercially available lens cleaner.
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Product Specifications

(mm)
18
Focal length*
(in)
0.7
(mm)
58 × 68
Height × Diameter**
(in)
2.3 × 2.7
(g)
180
Weight
(oz)
6.4
EMS
FCC Part 15 Subpart B class B, EU EMC directive, AS/NZS, VCCI class B
Environment
RoHS and WEEE
* Focal length of collimate shooting method
** Maximum diameter (excluding protrusions)
Refer to the following expression for synthetic focal length and F-number calculation.
Synthetic focal length = Magnification of eyepiece × Focal length of DSA-N1 (18 mm (0.7 in))
* Multiply the synthetic focal length by 2.7 for 35-mm (1.4-in) format conversion
F-number = Synthetic focal length ÷ Effective diameter of objective lens of fieldscope
Example) EDG 85 (effective diameter of objective lens: 85 mm (3.4 in)) and FEP-38W (magnification: 38×) in combination with DSA-N1:
Synthetic focal length: 18 mm (0.7 in) × 38 = 684 mm (26.9 in)
(where, the focal length in 35-mm (1.4-in) format conversion is 684 mm (26.9 in) × 2.7 = 1846.8 mm (72.7 in))
F-number: 684 mm (26.9 in) ÷ 85 mm (3.4 in) = 8.0
En
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