Optomechanics
Spacer Rings
Spacer rings are used to maintain gap between two optics. These spacers can be stacked for maintaining gap between optics from 1 mm.
| Model No: | Item | Minimum Order Qty | Price |
| SR-1-25 | Spacer Ring for 25 mm / 1" Optics |
25 Nos. | |
| SR-2-25 | 25 Nos. | ||
| SR-3-25 | 25 Nos. | ||
| SR-5-25 | 10 Nos. | ||
| SR-10-25 | 5 Nos. | ||
| SR-20-25 | 5 Nos. |
Threaded Rings
Threaded rings of thickness ranging from 2 mm to 20 mm can be selected for convenient applications. Spanner slots are provided for easy fastening of optics.
| Model No: | Item | Minimum Order Qty | Price |
| TR-2-25 | Spacer Ring for 25 mm / 1" Optics |
25 Nos. | |
| TR-3-25 | 25 Nos. | ||
| TR-5-25 | 25 Nos. | ||
| TR-10-25 | 10 Nos. | ||
| TR-20-25 | 5 Nos. |
Lens Cells
Thin Lens Cell
| Model No: | Price |
| TLC-25-8 |
Short Lens Cell
| Model No: | Length L1, L2 | Price |
| SLC-25-12 | 12, 17 | |
| SLC-25-15 | 15, 20 |
Long Lens Cell
| Model No: | Length L1, L2 | Price |
| LLC-25-20 | 20, 25 | |
| LLC-25-25 | 25, 30 | |
| LLC-25-35 | 35, 40 |
RMS - Objective Adapter
| Model No: | Price |
| RMS - OAD - 25 |
Lens Tubes
| Model No: | Length L1, L2 | Price |
| LCT-25-25 | 25-30 | |
| LCT-25-30 | 30-35 | |
| LCT-25-35 | 35-40 | |
| LCT-25-50 | 50-55 | |
| LCT-25-75 | 75-80 | |
| LCT-25-100 | 100-105 | |
| LCT-25-125 | 125-130 |
Extension Tube
| Model No | Length L1, L2 | Price |
| ELCT-25-5 | 5, 10 | |
| ELCT-25-10 | 10, 15 | |
| ELCT-25-15 | 15, 20 | |
| ELCT-25-25 | 25, 30 | |
| ELCT-25-50 | 50, 55 | |
| ELCT-25-100 | 100, 105 | |
| ELCT-25-150 | 150, 155 | |
| ELCT-25-175 | 175, 180 | |
| ELCT-25-200 | 200, 205 | |
| ELCT-25-250 | 250, 255 |
Full Thread Lens Tube
| Model No: | Length L1 | Price |
| FLCT-25-10 | 10 | |
| FLCT-25-15 | 15 | |
| FLCT-25-25 | 25 | |
| FLCT-25-35 | 35 | |
| FLCT-25-50 | 50 |
Small Optic Cell End Type
| Model No: | Optics size | Price |
| SOC-25-6 | 6 mm | |
| SOC-25-9 | 9 mm | |
| SOC-25-12.7 | 12.7 mm | |
| SOC-25-18 | 18 mm |
Filter Cell Adapter
| Model No | Price |
| FLC-25-8 |
Cube
One side of the cube is over sized for inserting plate beam splitter mount or cube beam splitter. Other sides are threaded type suitable for lens tubes
Aluminium alloy anodized finish
Can be used in rod assembly system
Fig. Cube with rod and lens tube assembly
6 mm rods can be accommodated. It is used in rod assembly system for building optical setup. All other features provided are for launching this cube in to rod assembly unit
| Model No: | Type | Price |
| CUB-25-30 | Cube with 30 mm bore | |
| CUB-25-HM1 | Cube with HM1 thread |
Filter Wheel
25 mm or 1" diameter filters can be fixed on this filter wheel .This filter wheel is suitable for rod assembly system with internal threading for lens tubes. It can also be used in an optical system by using a post/post holder and M6 or M4 tapped holes provided for fixing to post. Filters are fixed in the wheel through threaded ring by removing the side cover.
Post mountable design
Suitable for lens tube assembly system
Suitable for Rod assembly system
6 No.s of 1” diameter filters can be used for LM-FW1
12 No.s of 1” diameter filters can be used for LM-FW2
Numbers indicating densities of the filters are imprinted on the wheel
| Model No | Optic Size | No. of Filters | Thickness (T) | Price |
| LM-FW1 | 25 mm/ 1" | Upto 6 | 17 | |
| LM-FW2 | 25 mm/ 1" | Upto 12 | 28 |
Beam Blocker
Two types of beam blockers are available, one with external thread and the other with internal thread. They are suitable for blocking beams from cube assembly or lens in tube.
| Model No | Type | Price |
| BB-25-INT | With internal threading | |
| BB-25-EXT | With external threading |
Lens Tube Holder
| Model No | Holding Method | Price |
| LTH-25 | 30 mm dia bore | |
| LTH-25T | HM1 thread |
Note : Post, post holder and bases are sold separately
Established in 1993, Holmarc Opto-Mechatronics Ltd manufactures variety of scientific and engineering instruments for research, industry and education.
ISO 9001:2015 Made in INDIA
CIN : L33125KL1993PLC006984
GST No : 32AAACH9492C1ZQ
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Get in Touch
B.7., H.M.T. Industrial Estate
H.M.T. P.O, Kalamassery, Kochi
Kerala, India - 683 503
+91 920-719-7772 / 6 / 1
sales@holmarc.com
Mon - Sat : 9 am to 5 pm
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