Delta Optical Multidot HD 25 sight, improved waterproof design, 2, 4, 6 or 8 MOA red dot. Made in Japan. - Budapest Telescope Centre
TFB Review: Delta Optical Hornet 1-6x24 SFP RiflescopeThe Firearm Blog
Delta Optical - Scope Stryker HD 4,5-30x56 FFP LRD-1T - DO-2500 best price | check availability, buy online with | fast shipping
Delta Optical Discovery 50 stereo microscope with 20x/40x magnifications and illumination from above/below (220V) (product group) - mikroszkop.hu - Budapest Telescope Centre