M68 EXTENSION TUBE - 15mm William Optics 2 per side

2 per side

25″ Super Plossl 10mm (190x) – apparent field of view 52°

This model works as a tube extension with an optical thickness of 47mm (without the barrel)

Oxygen-III and Sulphur-II narrow-band filters boost the contrast of emission nebulae and supernova remnants for professional results

the Delta Rho 350 is the capable of capturing the most stunning astrophotographs possible

M68 EXTENSION TUBE - 15mm William Optics 2 per sideThis 15mm M68 extension tube features a male M68 x 1 thread on one end and a female M68 x 1 thread on the other. This is a very useful accessory for making up the exact backfocus distance required by correctors. Specifications Connection side A Male M68 x 1 Connection side B Female M68 x 1 Optical length 15 mm SKU AX M68 EXT15