Prismatic (Refractor) Porro Prisms

More Information  · Recommended Accessories Price $699.95 List Price $1,000.95 Magnification 13-30x Field of view 1000 yards 157' @ 13x Near Focus 9.8' Eye Relief 12.9mm @ 13x Exit Pupil 3.8mm @ 13x Twilight Factor 25.50 @ 13x Weight 19.6 oz. Aperture 2" Armored No Waterproof Yes Warranty “No-Fault” 25 Years Limited

Whether you’re looking to extend your life list at remote birding hot spots, or just looking at the feeders and nests in your backyard, the Nikon Fieldscope 50mm gives you exceptional optical performance in a small and easily-handled package. The Nikon 50mm Fieldscope is not inexpensive, but with performance that rivals and often exceeds that of larger competitive scopes in the same price range, the Fieldscope is well worth its price if a light weight and compact size are important to your observing and travel needs.

Optical features of this scope . . .

• ED glass: The extra-low dispersion ED glass element in the Nikon’s 50mm doublet objective lens combines high light transmission with very low chromatic aberration. This gives markedly reduced color fringing at the edges of the field when compared with conventional crown and flint glass optics, plus excellent color fidelity and saturation across the field.

• Fully multicoated: The optics are fully multicoated with Nikon’s proprietary high transmission antireflection coatings for an excellent light transmission that complements the excellent color fidelity of the ED objective lens.

• Zoom eyepiece: The standard equipment 13-30x multicoated zoom eyepiece has a rubber-rimmed eyecup that twists up, shielding the eye from ambient light for better contrast when observing with the unaided eye. The eyecup twists back down to provide greater eye relief for eyeglass use. The eye relief is 12.9mm at 13x. There will be some minor vignetting of the field for eyeglass wearers.

• Other eyepieces available: A wide selection of optional eyepieces are available for the Fieldscope, in addition to the standard equipment 13-30x zoom. There’s a 13-40x zoom with a slightly longer 14.1mm eye relief. There is also a 27x (with short eye relief that is not suited to eyeglass use) and long eye relief 20x, 27x, and 40x fixed magnification models with eyeglass-friendly 17mm or better eye relief. There are also 16x, 27x, and 40x eyepieces designed for digiscoping.

• Excellent close focusing: The scope focuses down to an exceptionally close 9.8’, making it unsurpassed for viewing backyard feeders, although the field is little more than 6" wide at this short a distance. Through the scope, looking at a bird at this distance at 13x would effectively be the same as looking with your unaided eye from only 9" away.

• Fully waterproof: The Fieldscope’s die-cast body is compact, lightweight and durable (only 11" long and 19 ounces in weight, including eyepiece). It is O-ring sealed and dry nitrogen purged to be totally waterproof and fogproof in all weather and temperature conditions. This allows the scope to survive sudden showers as well as full monsoon conditions, and to resist internal fogging, no matter how cold the air temperature or how high the humidity.

• Convenient focusing: The scope’s long focusing knob is grooved for a sure grip. It is located at the top center of the prism housing to allow precise focusing with either hand, even while wearing gloves or mittens.

• Straight-through viewing: The Fieldscope’s straight-through design is generally better for quickly locating birds in the field than a 45° viewing angle model. With a straight-through scope, you can sight over the barrel to center in on the bird before trying a high power eyepiece view that often has a confusingly narrow field. It is difficult to sight over a 45° viewing barrel, as the prism housing and eyepiece can block the view. On the other hand, a 45° viewing angle is generally more comfortable than a straight-through scope for watching treetop activity or for extended observing from a blind or back porch. You won’t get a crick in your neck from crouching over to look through the scope as you often have to with a straight-through model on a too-short tripod. A 45° model is also more convenient for couples of varying heights who must share a single scope, as there’s little need to constantly raise and lower the tripod to a comfortable height for each observer. The Nikon #N50AWZ is a 45° viewing model, should that style be more convenient.

• Photo tripod mounting: The 50mm Fieldscope mounts on any photo tripod having a standard 1/4"-20 thread mounting bolt.

• Supplied accessories: Protective dust covers are provided for both the objective lens and the eyepiece.

• 25-year warranty: In addition to the 25-year limited Nikon USA warranty, the 50mm Fieldscope is also covered by Nikon’s unique no-fault warranty. If anything happens to the Fieldscope that’s not covered by Nikon’s normal 25-year warranty, it costs you only $10 and return shipping and handling to get it fixed or replaced! Whether you drop the Fieldscope out of a canoe, drive off with it on the roof of your car, or loan it to a clumsy friend who uses it to drive tent pegs, there’s no need to worry. If you can send back the pieces, you’re covered by Nikon’s no-fault warranty.