ESATTO 4" EXTENSION TUBE M110 35mm Solar turn the ring to lock

turn the ring to lock it

By adding these plates you will have a flat base for an optimal connection with 4 screws M5x12 (included)

35mm (without knobs)

For use on refractors of F/4 to F/8*

corrected field ideal for astrophotography

ESATTO 4" EXTENSION TUBE M110 35mm Solar turn the ring to lockThe M110 35mm extension tube can be directly threaded to the ESATTO 4" draw tube in order to attach cameras and accessories further away from the ESATTO robotic microfocuser. This is particularly useful for refractors which usually have long travel focusers. This M110 extension tube has 35mm thickness, is made of anodized aluminium, and has a M110 female on the camera side for connecting any of the ESATTO 4" camera adapters. Specifications Length 35