Kowa TSN-Twist Up Lockers for Smartphone Digiscoping

Meet your new digiscoping best friend - the Kowa TSN-Twist Up Locking Rings
As smartphones have become more sophisticated, the demand for larger displays and specification has increased. This has made many of the latest smartphone models not only physically larger in size but also heavier. These devices now offer DSLR quality results and control with incredible images and video available at a digiscopers fingertips.
For the best smartphone digiscoping results, it is often essential that the eyepiece eye relief cap is engaged to create a sweet spot between camera lens and eyepiece. Without engaging eye relief, digiscoping results can be dramatically reduced with increased vignetting covering the image. Applying eye relief removes this negative effect and the amount of eye relief depends very much on the individual lens of the smartphone.
The major problem encountered by smartphone users when engaging eye relief on the eyepiece is that the weight of the smartphone and adapter puts increased pressure on the eye-relief cap resulting in the eye-relief cap slipping back to it’s default position. To combat this problem, digiscopers have to shoot in portrait mode (vertical) meaning landscape images and video is not possible. Shooting video in vertical mode is particularly restrictive and makes playback on TVs and other devices disappointing.
The TWIST-UP LOCKING RINGS provide the perfect solution by locking the eyecup in the desired position for perfect eye-relief. This means that even large smartphone models can easily take photos or videos in landscape format without the adapter being hand held in position to prevent slipping. The TWIST-UP LOCKING RINGS have been developed for the eyepieces of the TSN-99/880/770 spotting scope series.
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For more information visit our websites:
👉 Europe: www.kowaoptic.com​
👉 USA: www.kowa-usa.com
👉 Rest of world: www.kowa-prominar.com
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[@TranquiloBayPanama]

Thank you, such a simple fix for a common problem. I couldn't agree with you more about filming in Landscape, I find it so much more appealing for wildlife video.

[@WildlifewatchingUK]

Great idea. Might have to get myself some as I’ve experienced this issue a couple of times.

[@ericdeangelis7496]

I just twist the eyecup all the way out and stick my phone in landscape off the left side so gravity wants to spin the eyecup counter clockwise. It of course cannot rotate any further due to its limit. Then I just zoom my phone about 1.7 times to sort of step into the scope and remove the vignetting. I'm not certain if the phone lens is the ideal distance from the scope but the images seem to come out fine.

[@kowasportingoptics]

HI Eric, glad you are getting what you need from your smartphone adapter, it really depends on the smartphone model - some work differently depending on the lens so varying eye relief is required

[@Schnupp911]

cant find these anywhere is the US

[@kowasportingoptics]

Hi Brent - please drop [e-mail] an email and they should be able to get you sorted