Description
Kowa TSN-EX16 Extender: boosts your Kowa eyepiece magnification by 1.6x (25-60x becomes 40-96x) with minimal light loss. Fits TSN-880/770 and more.
Sometimes 60x is not quite enough: counting points on a distant bull, reading a band on a bird or confirming a shot hole at extreme range. The TSN-EX16 adds 1.6x to your existing Kowa eyepiece through a bayonet mount, with coatings designed to keep light loss low, so you do not need to buy a second, higher-power eyepiece.
Kowa TSN-EX16 Extender specs
| Magnification factor | 1.6x |
|---|---|
| Example | 25–60x eyepiece becomes 40–96x; 30x becomes 48x |
| Mount | Kowa bayonet, between scope body and eyepiece |
| Designed for | Kowa TSN-880 and TSN-770 series; many dealers also list TSN-99, TSN-88 and TSN-66 Prominar |
| Not listed for | TSN-55 Prominar |
| Brand | Kowa |
| Price | $399.00 |
Who is the TSN-EX16 for?
Owners of compatible Kowa scopes who glass at very long range in steady, clear air, and digiscopers who want a tighter frame.
Will it fit my Kowa scope?
Kowa designed it for the TSN-880 and TSN-770 series, and dealers also list the TSN-99, TSN-88 and TSN-66 Prominar. It is not listed for the TSN-55. Email us your scope model and we will confirm before you order.
Does an extender reduce brightness?
Any increase in magnification makes the image dimmer because the exit pupil shrinks. Use the extender in good light and at the low end of your zoom first.
What’s in the box with the Kowa TSN-EX16 Extender?
- TSN-EX16 1.6x extender
- Caps
Related gear
Kowa TSN-EX16 Extender FAQ
How much magnification does the TSN-EX16 add?
1.6x your eyepiece’s magnification.
Does it work with angled and straight scopes?
Yes, on compatible Kowa bodies in either configuration.
Does it fit the TSN-55?
It is not listed as compatible with the TSN-55.
Manuals, firmware updates and warranty registration are on the Kowa official website.
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