Focuser,1.25", 5.5"Curved base
USD $12.00
1.25" Rack and pinion focuser found on most 4.5" Newtonians , 5.5" curved base, 42mm travel
FOC4.5 is a standard 1.25" rack&pinion focuser found on most commercial 4.5" telescopes.. It's got a curved base for 5.5" diameter, low focus of 3" and travel of 1.9". Great for ATM's, or use for replacement. Plastic construction.
FOC4.5
1.25" Rack and pinion focuser found on most 4.5" Newtonians , 5.5" curved base, 42mm travel