Carton 100mm f/13 "MD" OTA Construction - Test Fitting the Dew Shield onto the Rear Cell

 

Dew Shield test fit to the milled rear cell. (Click to see an enlarged image.)

 

Now with the rear cell able to fit the main tube correctly, it was time to test fit the dew shield to the rear cell. Everything looks good here in this image. An excellent fit indeed! The dew shield is 9" L x 6" OD x .083" wall thickness and is made from T-6061 aluminum tubing. Three holes will be drilled around the base of the dew shield and corresponding ones into the rear cell at 120-degree angle from one another to receive 1/4-20 thread countersunk pan-head bolts to secure the dew shield in place.