supply of opto mechanical items - 2 ( i ) manual polarizer rotator for 1 inch optic 3 ( ii ) half-inch optics adapter mount for the above 1-inch manual polarizer rotator mount 4 rigid lens mounts for 25mm / 1 inch optic 5 50mm x 50mm linear translation stage ( x-stage ) 6 65mm x 65mm linear translation stage ( x stage ) 7 90mm x 65mm linear translational stage ( x stage ) 8 12mm diameter ss ( stainless steel ) post with either m6 tapped mounting hole on both ends or with a m6 / m4 tapped hole combination. should be compatible with item 15 and / or item 16. ( i ) with >= 30mm post height 9 12mm diameter ss ( stainless steel ) post with either m6 tapped mounting hole on both ends or with a m6 / m4 tapped hole combination. should be compatible with item 15 and / or item 16. with >= 40mm post height 10 12mm diameter ss ( stainless steel ) post with either m6 tapped mounting hole on both ends or with a m6 / m4 tapped hole combination. should be compatible with item 15 and / or item 16. ( i ) with >= 50mm post height 11 pedestal adapter set for post holder below ( item no. 6 ) to convert above post holders to a pedestal post holder system ( 1 set contains 5 nos. ) 12 post holder for 12mm ss post. spring loaded plunger knob is provided with every post holder for smooth up and down movement and stable tightening at desired position. aluminum alloy construction black anodized finish m6 tapped mounting hole >= 30mm post height 13 post holder for 12mm ss post. spring loaded plunger knob is provided with every post holder for smooth up and down movement and stable tightening at desired position. aluminum alloy construction black anodized finish m6 tapped mounting hole ( ii ) t >= 40mm post height 14 post holder for 12mm ss post. spring loaded plunger knob is provided with every post holder for smooth up and down movement and stable tightening at desired position. aluminum alloy construction black anodized finish m6 tapped mounting hole ( iii ) t>= 50mm post height 15 pedestal fork - stainless steel construction, 12mm thick, m6 cbr ( counter-bored ) slot, machined finish 16 right angle post clamp - 360° rotatable post clamp compatible with 12mm ss posts. it is suitable for spatially restricted optical setup. made of aluminum alloy. black anodized finish with m6 locking knobs. 17 slotted plates suitable for standard optic mounts with m6 mounting holes. they have m6 cbr slots from bottom. aluminum alloy with black anodized finish. single m6 slot with m6 cbr hole, >= 50mm length 18 slotted plates suitable for standard optic mounts with m6 mounting holes. they have m6 cbr slots from bottom. aluminum alloy with black anodized finish. double m6 slot with m6 cbr hole, >= 100mm length 19 beam dump for low laser power < 1w with spot size of 1mm 20 variable round aperture m6 / m4 tapped hole at the bottom for post mounting. aluminium alloy construction. m6 / m4 mounting hole. black anodized finish. max 25 mm aperture, min 0.8 mm aperture. made of brass and aluminum. leaves made of spring steel. black anodized finish for casing. black zinc finish for leaves. 21 variable round aperture mount for item 11 above. m6 / m4 tapped hole at the bottom for post mounting. aluminium alloy construction. m6 / m4 mounting hole. black anodized finish. 22 ( i ) metric socket cap screws ( 1 set contains 25nos ) ( ss m6 >= 12mm length 23 ( ii ) metric socket cap screws ( 1 set contains 25nos ) ( ss m6 >= 16mm length 24 ( iii ) metric socket cap screws ( 1 set contains 25nos ) ( ss m6 >= 20mm length 25 ( i ) metric socket cap screws ( 1 set contains 25nos ) ( ss m4 >= 6mm length 26 ( ii ) metric socket cap screws ( 1 set contains 25nos ) ( ss m4 >= 10mm length 27 ( iii ) metric socket cap screws ( 1 set contains 25nos ) ( ss m4 >= 12mm length 28 metric socket cap screws ( 1 set contains 25nos ) ( ss m3 >= 6mm ) 29 ( i ) metric set / grub screws ( 1 set contains 25nos ) m6 >= 6mm length – compatible with item 4 30 ( ii ) metric set / grub screws ( 1 set contains 25nos ) m6 >= 10mm length – compatible with item 4 31 ( iii ) metric set / grub screws ( 1 set contains 25nos ) m6 >= 12mm length – compatible with item 4 32 ( i ) metric set / grub screws ( 1 set contains 25nos ) m4 >= 6mm length – compatible with item 4 33 ( ii ) metric set / grub screws ( 1 set contains 25nos ) m4 >= 10mm length – compatible with item 4 34 ( i ) metric set / grub screws ( 1 set contains 25nos ) m3 >= 6mm length 35 ( ii ) metric set / grub screws ( 1 set contains 25nos ) m3 >= 10 mm length 36 ( i ) ss m6 washer ( one set contains 25 numbers ) – compatible with item 12 / item 15 37 ( ii ) ss m4 washer ( one set contains 25 numbers ) – compatible with item 13 / item 4 38 ( iii ) ss m3 washer ( one set contains 25 numbers ) – compatible with item 14 39 ( i ) ss m6 nut ( one set contains 25 numbers ) – compatible with item 12 40 ( ii ) ss m4 nut ( one set contains 25 numbers ) – compatible with item 13 41 ( iii ) ss m3 nut ( one set contains 25 numbers ) – compatible with item 14 42 ss m4-m6 thread adaptors ( 1 set contains: 10 nos. ) 43 ( i ) ss / anodized aluminum spacer rings for 25 mm / 1 optics with 1mm thickness – should be compatible with item 22 44 ( ii ) ss / anodized aluminum spacer rings for 25 mm / 1 optics with 2mm thickness – should be compatible with item 22 45 ( iii ) ss / anodized aluminum spacer rings for 25 mm / 1 optics with 10mm thickness – should be compatible with item 22 46 ( iv ) ss / anodized aluminum spacer rings for 25 mm / 1 optics with 20mm thickness – should be compatible with item 22 47 ( i ) black anodized lens tubes for 1 inch optic with 50 mm length 48 ( ii ) black anodized lens tubes for 1 inch optic with 75 mm length 49 c-mount objective adapter for 25 mm / 1 optics 50 ( i ) ss / anodized aluminum threaded spacer rings for 25 mm / 1 optics with 2mm thickness – should be compatible with item 21 and / or item 22 51 ( ii ) ss / anodized aluminum threaded spacer rings for 25 mm / 1 optics with 10mm thickness – should be compatible with item 21 and / or item 22 52 ( iii ) ss / anodized aluminum threaded spacer rings for 25 mm / 1 optics with 20mm thickness – should be compatible with item 21 and / or item 22 53 kinematic prism mount m6 / m4 mounting hole for 1 inch optic to enable horizontal and vertical mounting. left / right orientations can be easily arranged using a detachable platform. suitable prism clamps are to be provided along with each kinematic prism mounts.