... . Loading slices: Ø10, Ø20, Ø42. 1 pc. each4. Filter (yellow, green, gray & frosted glass): 1 pc. each5. Fir oil: 1 bottle6. Bulb ... lens: 10X, 40X, 100X 1 pc. each9. Binocular tube: 1 pc.10. 10X micrometer eyepiece: 1 pc.11. Micrometer (grid value 0.01mm): 1 ... pc.12. Option: photographic device 1 set ...