Kowa PROMINAR spotting scopes are already known for their unmatched optical performance and precision. But pair them with the Kowa System accessories, and they become even more versatile, transforming into complete tools for observation, photography, and exploration.
This accessory lineup is designed to bring out the full potential of PROMINAR’s pure fluorite crystal optics, offering seamless compatibility, user-friendly design, and performance that goes beyond expectation. Let’s take a closer look at how these accessories enhance your scope.
Why PROMINAR Scopes Are Built for Expansion
Pure Fluorite Crystal Optics: PROMINAR scopes deliver exceptional sharpness and color accuracy, making them the perfect foundation for add-ons like eyepieces, extenders, and camera adapters. Whether you’re capturing birds, distant landscapes, or the night sky, fluorite crystal ensures every image stays bright and true to life.
Dual Focus System: PROMINAR’s dual-speed focusing design offers both quick adjustments and precise fine-tuning, so using adapters even with cameras and smartphones feels smooth and effortless.
The Kowa System Accessory Line
The Kowa System is a modular collection of accessories built to expand your scope’s capabilities from digiscoping to astronomy. Every component is engineered for perfect optical alignment and quick, secure attachment.
Interchangeable Eyepieces
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Magnification:
25–60x (TSN-66/TSN-88)
30-70x (TSN-99) -
Why it’s great: Delivers a wide zoom range, ideal for both sweeping landscapes and tight detail shots. It’s a perfect all-around eyepiece for birders and nature enthusiasts.
TE-80XW Ultra Wide-Angle Eye (TSN-66/TSN-88) 30-70x (TSN-99) piece
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Magnification:
30x (TSN-66/TSN-88)
40x (TSN-99) -
Why it’s great: Provides an immersive, ultra-wide field of view that’s perfect for digiscoping and long observation sessions. It captures every nuance of the scene with edge-to-edge clarity.
Choosing the Right Eyepiece: Different eyepieces give you the flexibility to match your setup to your subject, whether that’s scanning flocks at a distance or zooming in on fine detail.
Smartphone Digiscoping Adapters
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Compatibility: Works with most smartphones.
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Highlights: A premium universal adapter that connects easily and securely, allowing you to take detailed photos and videos through your scope. You can even select which smartphone lens to use for creative framing and perspective.
Why Smartphone Digiscoping Rocks: It’s portable, simple, and powerful. Capture professional-looking images without carrying heavy gear. Combined with PROMINAR’s dual focus, it delivers crisp, perfectly focused results straight from your phone.
DSLR and Mirrorless Camera Adapter — TSN-PA7
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Compatibility: Fits most DSLR and mirrorless camera systems.
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Highlights: Converts your PROMINAR spotting scope into a high-powered telephoto lens system, giving you professional-grade reach and image quality.
Why Choose DSLR Digiscoping:
You’ll enjoy the optical reach of a scope with the creative control of a camera, ideal for non-intrusive wildlife photography. It’s lighter and more compact than traditional super-telephoto lenses, making it great for field photographers.
TSN-EX16 Extender — Boost Your Magnification
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Effect: Increases magnification by 1.6x when used with compatible eyepieces.
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Benefits: Perfect for long-range viewing, distant wildlife, or celestial observation.
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Versatility: Works seamlessly with Kowa digiscoping and astro adapters, extending your scope’s capability without sacrificing image quality.
Protective Accessories — Safeguard Your Optics
Objective Lens Protection: Filters:
Attach a high-quality Kowa protection filter to the front of your scope to guard against dust, sand, and salt, especially useful for coastal use or windy environments.
Eyepiece Protection: TSN-CV88A:
This replacement eye-relief cap includes protective glass to shield the eyepiece from debris or moisture while keeping the adjustable twist-up eye relief fully functional.
Why Protection Matters:
Your lenses are the most valuable and delicate part of your scope. Adding protective accessories minimizes wear, prevents costly repairs, and keeps your gear ready for action.
Kowa’s custom-fit neoprene cases feature a modular “stay-on” design that allows you to use your scope freely while keeping it protected. The snug, tailored fit ensures security without slowing you down in the field.
The Bottom Line
The Kowa System transforms your PROMINAR spotting scope into a fully adaptable optical platform, ready for wildlife photography, travel, and astronomy alike. Every accessory is built to the same precision standard as the scopes themselves, giving you flexibility, protection, and performance wherever your adventures take you.
Whether you’re capturing the perfect digiscoped shot, scanning distant horizons, or simply expanding your optical toolkit, Kowa PROMINAR + Kowa System accessories help you see and photograph more than ever before.
