Free shipping from CHF 100
Quality for over 20 years
Personal consultation
KOWA TSN-99A PROMINAR Spotting Scope Set | 99 mm Fluorite | 30-70x Zoom
  • 💎 99 mm pure fluorite objective + XD concave lens (PROMINAR)
  • 🔍 TE-11WZ II WA zoom eyepiece 30–70x included
  • 👁️ Field of view 32–18 m at 1,000 m · 17 mm eye relief
  • 🔧 Magnesium housing 100 % alloy · 45° angled
  • ⚖️ 2,570 g with eyepiece · 378 mm length
  • 💧 Waterproof nitrogen-filled · KR front lens coating
  • 🎯 Dual focus (coarse + fine) · 6 m close focus
  • 📷 105 mm filter thread + dual tripod mount
  • 🏅 10-year manufacturer warranty (extendable to 15)

3'459.00 CHF
incl. 8,1% VAT , Free shipping (Paketversand)
Old price: 4'399.00 CHF
Available immediately
Deliverydate: 10.10.2026 - 14.10.2026
Only 1 available
pcs
Description

KOWA · Spotting Scope Kit · Wildlife Observation

KOWA TSN-99A PROMINAR Spotting Scope Set
99 mm Fluorite · 30–70x Zoom · 45°

Never miss a detail in low light – the complete TSN-99A kit with TE-11WZ II wide-angle zoom eyepiece, ready to use for maximum light-gathering at 30–70x.

💎
99 mm Fluorite
Pure Fluorite + XD
🔍
30–70x Zoom
TE-11WZ II WA incl.
📦
Complete Kit
Body + Eyepiece
⚖️
2,570 g
with eyepiece
📐
378 mm
Length · 45°
🔧
Magnesium
100 % alloy body
💧
Waterproof
Nitrogen-filled
🎯
Dual focus
Coarse + fine
🏅
10 + 5 years
Extended warranty

Buy KOWA TSN-99A PROMINAR Spotting Scope Set – 99 mm fluorite plus TE-11WZ II zoom eyepiece for uncompromising twilight observation

The KOWA TSN-99A PROMINAR Spotting Scope Set is the flagship bundle for observers who need maximum light-gathering and want to start observing immediately. The 99 mm pure-fluorite objective captures more light than any other KOWA spotting scope and reveals detail where smaller optics fade into darkness. The included TE-11WZ II WA wide-angle zoom eyepiece delivers 30–70x continuous magnification with a 32–18 m field of view at 1,000 m – ideal for birding, hunting and conservation monitoring. With 2,570 g total weight, 378 mm length and a 45° angled view, the kit is fully ready to use – buy now from Swiss-Sale.ch.

PROMINAR · Pure Fluorite

99 mm pure-fluorite objective – when every photon decides observation success

The TSN-99A uses a pure fluorite crystal as its front lens element, combined with an XD concave lens. This combination reduces chromatic aberration to barely measurable levels. During twilight observation – the critical minutes before sunrise and after sunset – the 99 mm objective clearly outperforms smaller scopes: it gathers roughly 28 % more light than an 88 mm model and reveals contours, plumage and antler structure where other optics show only silhouettes.

💎 Pure fluorite crystal
🌈 XD concave lens
⭐ Maximum twilight performance

TE-11WZ II WA wide-angle zoom eyepiece – 30–70x without swapping eyepieces

The TE-11WZ II (WA = wide angle) is KOWA's most powerful zoom eyepiece, optimised for the TSN-99A. It delivers continuous 30–70x magnification – scan for your target at 30x, count feathers at 70x. The 32 m field of view at 1,000 m at 30x supports fast orientation, and the 17 mm eye relief is comfortable for eyeglass wearers. Combined with the uncompromising PROMINAR optics, the image stays sharp and contrasty to the edge of the zoom range.

100 % magnesium body – flagship robustness for extreme field conditions

The TSN-99A is built entirely from magnesium alloy – maximum stability at the lowest possible weight. The housing is nitrogen-filled and waterproof, shrugging off rain, fog, frost and tropical humidity alike. The KR coating on the front lens repels water, grease and dirt – keeping the objective clear even after hours in the field. The 45° angled view allows an ergonomic head posture that does not tire even during long tripod-based sessions.

The kit concept – ready to observe without eyepiece-selection headaches

Buying the TSN-99A as body only leaves you with the eyepiece question. The kit removes that decision: TE-11WZ II WA is the best zoom eyepiece for this body – and the bundle is cheaper than separate purchases. The dual tripod mount and 105 mm filter thread provide maximum flexibility for digiscoping with system cameras or smartphone adapters. A 6 m close focus, dual-focus mechanism and 3.5–1.5 mm exit pupil round off the profile of an uncompromising observation instrument.

Key features – KOWA TSN-99A PROMINAR Spotting Scope Set

  • 💎 Pure fluorite crystal + XD concave lens (PROMINAR) – maximum light and colour fidelity
  • 🔭 99 mm objective diameter – largest KOWA spotting scope
  • 🔍 TE-11WZ II WA wide-angle zoom eyepiece – 30–70x continuous, included
  • 👁️ Field of view 32–18 m at 1,000 m · 17 mm eye relief
  • 🔧 100 % magnesium alloy body
  • ⚖️ 2,190 g body · 2,570 g with eyepiece
  • 💧 Waterproof and nitrogen-filled – fog-free in any weather
  • 🎯 Dual-focus system (coarse and fine)
  • 📐 378 mm length · 45° angled view · 6 m close focus
  • 📷 105 mm filter thread + dual tripod mount for digiscoping
  • 🏅 10-year manufacturer warranty (extendable to 15) + 2 years Swiss statutory warranty

Who is the KOWA TSN-99A PROMINAR Set for?

The complete TSN-99A kit is for observers who want a ready-to-use flagship spotting scope without extra decisions – with the best zoom eyepiece, the largest objective and uncompromising PROMINAR optics. Order now from Swiss-Sale.ch, your Swiss specialist shop for premium optics with fast shipping.

🐦Birders
🌅Twilight observers
📷Digiscopers
🧑‍🔬Biologists & researchers
🏞️Conservation pros
🔭Hunting scouts
Technical Specifications

Technical Specifications – KOWA TSN-99A PROMINAR Spotting Scope Set

ModelKOWA TSN-99A PROMINAR Set
SKU12264
EAN4580614170802
TypeSpotting scope with 45° angled eyepiece
Objective diameter99 mm
Objective materialPure fluorite crystal + XD concave lens (PROMINAR)
Eyepiece (included)TE-11WZ II WA wide-angle zoom
Magnification30–70x (continuous)
Field of view at 1,000 m32–18 m
Exit pupil3.5–1.5 mm
Eye relief17.0 mm
Close focus6 m
PrismRoof
CoatingFully coated · Kowa KR front lens coating
Focus systemDual focus (coarse + fine)
WaterproofYes · nitrogen-filled
Housing materialMagnesium alloy (100 %)
Filter thread105 mm
Length378 mm
Weight (body)2,190 g
Weight (with eyepiece)2,570 g
Tripod mountDual (quick-release + 1/4" photo)
DigiscopingCompatible with KOWA system adapters
Warranty10-year manufacturer (extendable to 15) + 2 years Swiss statutory
Made inJapan
Package Contents

Package Contents – KOWA TSN-99A PROMINAR Spotting Scope Set

  • 🔭 KOWA TSN-99A PROMINAR spotting scope body (45° angled)
  • 🔍 TE-11WZ II WA wide-angle zoom eyepiece 30–70x
  • 🧢 Objective lens cap
  • 🧢 Eyepiece cap
  • 📄 User manual
  • 🏅 Warranty card (10 years, extendable)
Frequently Asked Questions

Frequently Asked Questions – KOWA TSN-99A PROMINAR Spotting Scope Set

Here you’ll find answers about the KOWA TSN-99A PROMINAR Spotting Scope Set – from fluorite optics and the TE-11WZ II eyepiece to digiscoping, care and Swiss shipping.

What optical quality does the KOWA TSN-99A PROMINAR Spotting Scope Set offer?
The KOWA TSN-99A PROMINAR Spotting Scope Set uses a pure fluorite crystal as the front lens element, paired with an XD concave lens. This PROMINAR optics reduces chromatic aberration to barely measurable levels and delivers maximum colour fidelity and contrast.
What are the dimensions and weight of the KOWA TSN-99A PROMINAR Spotting Scope Set?
The set is 378 mm long. The body weighs 2,190 g; with the included TE-11WZ II WA eyepiece the total rises to 2,570 g. Filter thread 105 mm, objective diameter 99 mm.
What is the KOWA TSN-99A PROMINAR Spotting Scope Set used for?
The KOWA TSN-99A PROMINAR Spotting Scope Set is ideal for birding, twilight observation, hunting scouts, conservation monitoring and digiscoping. Thanks to the 99 mm objective, it is tailored for low-light situations before sunrise and after sunset.
What makes the KOWA TSN-99A PROMINAR Spotting Scope Set special?
Three features set the set apart: the 99 mm fluorite objective (largest in the KOWA range), the bundled TE-11WZ II WA wide-angle zoom eyepiece (KOWA’s most powerful zoom for this body) and the 100 % magnesium body. No other KOWA spotting scope gathers more light.
What is the difference between the KOWA TSN-99A PROMINAR Spotting Scope Set and the TSN-88A?
The TSN-99A has a 99 mm objective, the TSN-88A an 88 mm objective. That equates to roughly 28 % more light-gathering for the TSN-99A. In good light the advantage is small; at dusk it is clearly visible. The TSN-99A is longer, heavier and the flagship model.
How do you care for the KOWA TSN-99A PROMINAR Spotting Scope Set?
Remove dust with a blower, clean lenses only with a soft microfibre cloth and optics cleaning fluid. The KR coating repels water and grease, so a dry cloth is usually enough. After wet use allow the scope to air-dry before packing it into a closed case.
How does the dual-focus work on the KOWA TSN-99A PROMINAR Spotting Scope Set?
The dual-focus combines two concentric wheels: a large one for coarse focus (fast travel across the range) and a small one for fine focus (pixel-precise sharpness). You lock onto the subject quickly and then refine focus – ideal at high magnifications.
Which accessories fit the KOWA TSN-99A PROMINAR Spotting Scope Set?
The set is compatible with KOWA system accessories: digiscoping adapters for system cameras, smartphone adapters (TSN-IP7A/IP8), extenders TSN-EX16/EX25 for higher magnifications and 105 mm filters. A solid tripod with video head (min. 3 kg capacity) is mandatory.
What warranty comes with the KOWA TSN-99A PROMINAR Spotting Scope Set?
KOWA provides a 10-year manufacturer warranty, extendable to 15 years via free online registration. In Switzerland the statutory 2-year warranty applies additionally, handled by Swiss-Sale.ch directly – no cross-border shipping.
How fast does Swiss-Sale.ch ship?
Orders placed before 5 p.m. usually ship the same working day via Swiss Post. Delivery within Switzerland takes 1–2 working days. Free shipping from CHF 100. Every parcel is carefully packed and, where possible, trackable.
Why buy the KOWA TSN-99A PROMINAR Spotting Scope Set at Swiss-Sale.ch?
Swiss-Sale.ch is an official Swiss dealer for KOWA optics. Warranty is handled in Switzerland – no customs, no waiting. Shipping from our Swiss warehouse within 1–2 working days, personal expert advice on accessories and tripods.
What should you consider when using the KOWA TSN-99A PROMINAR Spotting Scope Set at high magnification?
From 50x onwards, heat shimmer and micro-vibrations dominate the image. Use a solid video tripod (min. 3 kg capacity), avoid observation over hot surfaces (asphalt, rocks) and rely on the fine-focus wheel. At dusk, 30–50x usually delivers the brightest usable image.
Reviews

Write the first review for this item and help others make a purchase decision!:

Loading ...