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Mounts with Hard Seats 840-0057

Mounts with Hard Seats 840-0057

1" and 2" optics mounts with L-shaped flat spring. 840-0057 mounts are precise, stable and equipped with hard steel or saphire seats under adjustment screws.

from 78 $
delivery Estimated delivery time: 5 - 6 days
Products
Specifications
Brochures
Description
For 1" optics (25.4 mm diameter, 24 mm clear aperture)
Code Screws Seat Price Delivery Add to cart
840-0057-12S 2 stainless steel 81 $ 5 - 6 days
840-0057-12SH 2 hex stainless steel 78 $ 5 - 6 days
840-0057-12SP 2 sapphire 111 $ 5 - 6 days
840-0057-12SPH 2 hex sapphire 108 $ 5 - 6 days
840-0057-13S 3 stainless steel 90 $ 5 - 6 days
840-0057-13SH 3 hex stainless steel 87 $ 5 - 6 days
840-0057-13SP 3 sapphire 120 $ 5 - 6 days
840-0057-13SPH 3 hex sapphire 117 $ 5 - 6 days
For 2" optics (50.8 mm diameter, 45 mm clear aperture)
Code Screws Seat Price Delivery Add to cart
840-0057-22S 2 stainless steel 119 $ 5 - 6 days
840-0057-22SH 2 hex stainless steel 115 $ 5 - 6 days
840-0057-22SP 2 sapphire 149 $ 5 - 6 days
840-0057-22SPH 2 hex sapphire 145 $ 5 - 6 days
840-0057-23S 3 stainless steel 138 $ 5 - 6 days
840-0057-23SH 3 hex stainless steel 135 $ 5 - 6 days
840-0057-23SP 3 sapphire 168 $ 5 - 6 days
840-0057-23SPH 3 hex sapphire 165 $ 5 - 6 days
Code 840-0057-12
840-0057-13
840-0057-22
840-0057-23
Tilt/tip range
Sensitivity    
Stainless steel 5 arcsec
Sapphire 3 arcsec
Travel range 4 mm
Sensitivity    
Stainless steel 1 µm
Sapphire 0.5 µm
Optics diameter ≤ ∅25.4 mm ≤ ∅50.8 mm
Clear aperture 24 mm 45 mm
840-0057 Mounts with Hard Seats
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  • Original stabilized L-shaped flat spring
  • 1" and 2" optics mounts
  • Precise (sensitivity of 3 arcsec and 1 µm)
  • Stable, with hard steel or sapphire seats under adjustment screws
  • Tilt range of 5° in two orthogonal planes
  • Travel range 4 mm
  • Vertical mounting on either of two sides
  • "Mirror" versions available
  • Material: black anodized aluminium

 

Mounts 840-0057 are designed for mounting of 1" (25.4 mm) or 2" (50.8 mm) optics. A fixing screw secures the optics against 2 contact lines, which make 2 contact points. To prevent damage to the optics, the tip of the fixing screw is made of plastic. On one side the edge of the optics stays clear. So you can use optics close to the edge in schemes where beams are very closely situated to one another.

 

You can order mounts with 2 or 3 adjustment screws. Each screw has a hardened steel ball tip. It pushes the aluminium platform against a hard seat. This results in increased durability, stability and fine motion.

 

M6/⌀7.4 mounting/clearance holes are centered against the center of the mounted optics. The platform has an original L-shaped flat spring. It performs two functions: preloading the platform, and reducing its drift. The high tension spring and the thick base of the unit increase its stability.