Kenko DG AF Extension Tubes Set (36mm 20mm 12mm) - Nikon F Mount Celestron Nature DX 8x42 Binoculars weather-resistant telephoto lens designed for

weather-resistant telephoto lens designed for use with Pentax KAF4-mount DSLRs

It's also the best fit for birdwatchers who are using lightweight scopes to observe wildlife and digiscoping through an additional camera

which can lead to haziness and diminished clarity in your photographs

Inside diameter - 53mm

Kenko DG AF Extension Tubes Set (36mm 20mm 12mm) - Nikon F Mount Celestron Nature DX 8x42 Binoculars weather-resistant telephoto lens designed forThe Kenko Teleplus auto extension tube set contains 3 tubes of different length 36mm, 20mm and 12mm which can be combined in 7 ways to obtain various magnification. Perfect coupling with TTL metering and AE mechanisms. Autofocus may not be possible, depending on your lens type.