It is clear on both ends. See photos for all details.
APS Auto Teleplus 2x–3x Teleconverter + Variable Auto Tube Pentax K - Japan
????????✨MINT✨ Hasselblad 51691 Variable Extension Tube 64-85 For V system...
D5 Digital SLR Camera with Dual Front and Rear Lenses, 16X Anti-Shake Zoom, Oversized F2.7 Aperture for Low-Light Photography, 3.0-Inch Variable Angle Touchscreen and Wireless Control(white)
D5 Digital SLR Camera with Dual Front and Rear Lenses, 16X Anti-Shake Zoom, Oversized F2.7 Aperture for Low-Light Photography, 3.0-Inch Variable Angle Touchscreen and Wireless Control(black)
Opatiny Digital SLR with 16X Zoom, F27 Aperture, Variable Angle Touchscreen and Wi-Fi Control Low Light Photography
Arm Conditioning Device with Variable Speed Settings and Seamless 360 Degree Turn for Efficient Home Use (Nebula White)