DS Eyepieces for Fieldscope/Spotting Scope

DS eyepieces make it easier than ever to use a Nikon Fieldscope/Spotting Scope with a COOLPIX digital camera.

Wide DS Fieldscope Eyepieces 1. 16x/24x/30x Wide DS 2. 27x/40x/50x Wide DS 3. 40x/60x/75x Wide DS DS Spotting Scope Eyepieces 4. 16-48x/20-60x Zoom DS 5. 20x/25x DS

•	Offer easy attachment to COOLPIX digital cameras With COOLPIX 7900/5200/4200: Use FSB-1A bracket only. With COOLPIX 5600/4600: Use FSB-2 bracket only. With COOLPIX P1/P2: Use FSB-3 bracket only. With COOLPIX P3/P4: Use FSB-4 bracket only. With COOLPIX S series (S1/S3/S5/S6/S7/S7c/S8/S9): Use FSB-5 bracket only. With COOLPIX P5100/P5000: Use FSB-6 bracket only.
•	Vignetting can be reduced by setting zoom to the wide-angle position*
•	Rubber eyecup for eye observation is supplied

*Vignetting may occur with some COOLPIX cameras.

Note:

1.	Wide DS Fieldscope eyepieces can be used with Fieldscope II series and ED78 series; however, they cannot be attached to Fieldscope I series.
2.	When using a Fieldscope, COOLPIX 900 series, 880, 885, 4300, 4500 and 5000 are attachable using the FSA-3 attachment with the appropriate attachment ring. For attachment ring compatibility, see the System Diagram.

Wide DS Fieldscope Eyepieces Specifications

Fieldscope 16x/24x/30x Wide DS 27x/40x/50x Wide DS 40x/60x/75x Wide DS Magnification (x) 16 24 30 27 40 50 40 60 75 Angular field of view (Real/degree) 4.5 3.0 2.4 2.7 1.8 1.4 1.8 1.2 1.0 Angular field of view* (Apparent/degree) 64.3 Field of view at 1,000m (m) (approx.) 79 52 42 47 31 24 31 21 17 Exit pupil (mm) 3.1 2.5 7.5 1.9 1.5 1.6 1.3 1.0 1.1 Relative brightness 9.6 6.3 7.3 3.6 2.3 2.6 1.7 1.0 1.2 Eye relief (mm) 18.7 17.8 17 Weight (g) 170 180 190

Top : With Fieldscope ED50/ED50 A
Middle : With Fieldscope III/III A/EDIII/EDIII A
Bottom : With Fieldscope ED82/ED82 A
* Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.

DS Spotting Scope Eyepieces Specifications

Spotting Scope 16-48x/20-60x Zoom DS 20x/25x DS Magnification (x) 16-48 20-60 20 25 Angular field of view (Real/degree) 2.4 (at 16x) 1.9 (at 20x) 2.5 2.0 Angular field of view* (Apparent/degree) 37.1 (at 16x) 37.1 (at 20x) 47.2 Field of view at 1,000m (m) (approx.) 42 (at 16x) 33 (at 20x) 44 35 Exit pupil (mm) 4.1 (at 16x) 4.1 (at 20x) 3.3 Relative brightness 16.8 (at 16x) 16.8 (at 20x) 10.9 Eye relief (mm) 15.2 (at 16x) 15.2 (at 20x) 18.0 Weight (g) 205 140

Top : With Spotting Scopes RAIII 65/65 A WP
Bottom : With Spotting Scopes RAIII 82/82 A WP
* Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.

Occurrence of vignetting, based on the combination of eyepiece and COOLPIX digital camera

For Fieldscopes For Spotting Scopes 16x/24x /30x Wide DS 27x/40x /50x Wide DS 40x/60x /75x Wide DS* 20x/25x DS 16-48x /20-60x Zoom DS COOLPIX 7900 /5200 /4200 W Ο Ο X X X M Ο Ο Ο X X T Ο Ο Ο Ο Ο COOLPIX 5600 /4600 W Ο Ο X X X M Ο Ο Ο X X T ∆ Ο Ο Ο Ο COOLPIX P1/P2 W Ο Ο X X X M Ο Ο ∆ X X T Ο Ο Ο Ο Ο COOLPIX P3/P4 W Ο Ο X X X M Ο Ο ∆ X X T Ο Ο Ο Ο Ο COOLPIX S1/S3 /S5/S6 /S7/S7c /S8 W ∆ ∆ ∆ X X M Ο Ο Ο X X T Ο Ο Ο Ο Ο COOLPIX S9 W X X X X X M X X X X X T Ο Ο Ο Ο Ο COOLPIX P5100 /P5000 W Ο Ο X X X M Ο Ο ∆ X X T Ο Ο Ο Ο Ο

W: With wide setting M: With middle setting T: With telephoto setting Ο: No vignetting ∆: Slight vignetting X: Vignetting

Note:

Occurrence of vignetting also depends on the subject and other shooting conditions. Use the above table as a rough estimate. Vignetting may occur unevenly at periphery of picture frame.

* Vignetting occurs with settings between wide and middle.

Digiscoping System Diagram

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