- CFF Telescopes 80mm f/6.9 Oil-Spaced... Not available until 2022CFF Telescopes 92mm f/6 Oil-Spaced... Call for pricing and availability.CFF Telescopes 92mm f/6 Oil-Spaced... $3,920.00CFF Telescopes 92mm f/6.9 Oil-Spaced... Not available until 2022CFF Telescopes 92mm f/6.9 Oil-Spaced... $3,920.00CFF Telescopes 135mm f/7.5 Oil-Spaced... $7,200.00CFF Telescopes 140mm f/7.5 Oil-Spaced... Not available until 2022CFF Telescopes 140mm f/6.5 Oil-Spaced... Not available until 2022CFF Telescopes 160mm f/6.5 Oil-Spaced... $12,680.00CFF Telescopes 160mm f/8 Oil-Spaced... $12,680.00CFF Telescopes 185mm f/6.8 Oil-Spaced... $18,660.00CFF Telescopes 200mm f/8 Oil-Spaced... $27,580.00CFF Telescopes Bino-Refractor 135mm... $15,440.00CFF Telescopes Bino-Refractor 160mm... $27,310.00CFF Telescopes 300mm Classic Cassegrain... $10,360.00CFF Telescopes 300mm Classic Cassegrain... $14,190.00CFF Telescopes Telescopes 350mm Classic... $10,360.00CFF Telescopes 350mm Classic Cassegrain... $16,150.00CFF Telescopes 350mm Classic Cassegrain... $17,630.00