SECO Prisms & Assemblies

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Silver-coated 25 mm prism in a canister
Weighs 0.06 lb (0.03 kg)

Here’s a versatile prism system in a small package
The assembly features a 25 mm copper-coated prism, for fog prevention, a tilting holder, with friction axis, zero or -30 mm offset
Powder painted Fluorescent Orange with Fluorescent Yellow targets
Includes a 40-min adjustable circular center-mounted vial
Assembly can mounted on a Prism pole or tribrach at three heights: 70 mm, 100 mm, 115 mm, or can be hand-held using the plumb bob bracket or with S-hook for quick attachment to plumb bob
Also included a point for stake-out work, and a system bag with belt loop
Weighs 0.34 lb (0.15 kg)

Prism not included

The Mini Prism Monopod Kit forms a stable base with your 6000-Series Mini Prism which is sold separately, PN 6405-10-FOB pictured
The kit is easy to set up and can be used by just one person
Ideal for: construction surveys, inspections, asbuilts, and many other applications
Add a standard 5/8 x 11 extension to the kit to achieve heights to 4 feet
Weighs 2.25 lb (1.02 kg)

Incorporates a simple stainless steel locking mechanism that’s easy to set while adjusting the prism and target tilt
The heavy-duty 62 mm silver-coated prism is sealed in a strong canister with an ‘O’ ring to prevent water and dust from getting inside
The prism can be mounted in either 0 or -30 mm offset positions
Tilting axis height is 115 mm
Target Size is 6 x 9 inch
Target Colors are Flo Orange with Black
Weighs 1.75 lb (0.79 kg)

The Standard Prism Assembly features a copper-coated, canister-type 62 mm prism, simple but proven locking and 5.5 x 7 inch target
It’s waterproof, has a M20 universal mounting thread and the tilting axis height is 115 mm
Prism can be mounted in either 0 or -30 mm offset positions
Target Colors are Flo Orange with Black
Weighs 1.35 lb (0.62 kg)

Features ‘site cones’ that improve vertical angle pointing — the site cones double as tilting-axis lock knobs
The adjustable 40-min vial is mounted on the front side and is easy to see and simple to adjust
This mini-prism is a zero-offset if you reverse the prism.
Includes carrying case
Flo Orange
Weighs 0.30 lb (0.14 kg)

Features ‘site cones’ that improve vertical angle pointing — the site cones double as tilting-axis lock knobs
The adjustable 40-min vial is mounted on the front side and is easy to see and simple to adjust
17.5 Nodal Offset
Includes carrying case
Flo Orange
Weighs 0.30 lb (0.14 kg)

This 25 mm, copper-coated prism features aluminum double yoke construction w/tilting coaxial target (-30 mm offset)
Two on-board 130-minute vials — top and bottom
Includes replaceable plumb bob point
Flo Orange
Weighs 0.62 lb (0.28 kg)

This 25 mm, copper-coated prism features aluminum double yoke construction w/tilting coaxial target
Two on-board 130-minute vials — top and bottom
Includes replaceable plumb bob point
0 and -30 mm Offset
Flo Yellow
Weighs 0.62 lb (0.28 kg)

Ideal for all handheld prism work, topos or precise layout work; it can be assembled in various configurations
This system comes with an adapter so that the prism assembly can be used with a standard 5/8 x 11 (male-threaded) prism poles, for height of 115 mm
Also featuring a 40-minute adjustable vial and white sight cones that provides improved vertical angle pointing
Comes with 0,-30 mm offset position
An orange Cordura® carrying case is included
All anodized aluminum section lengths are known (30 cm)
All aluminum parts are red
Weighs 1.60 lb (0.73 kg)

This system tilts and slides up and down pin poles
Features a 25 mm, 0 offset silver-coated prism and a high-quality aluminum holder
Site cones double as locks
The prism has a 40-minute adjustable vial
The kit includes four 1-foot (30.5 cm) pole sections each with a 0.50-ft (15.24 cm) mark
Prism includes an adapter so it can be used on any pole or tribrach adapter with 5/8 x 11 threads
A system bag is also included
Weighs 1.40 lb (0.63 kg)

Made from orange polycarbonate with metal inserts and an aluminum yoke
Holds one to three prisms, is compatible with most screw-in prisms, and has a 0 and -30 mm prism offset
Peep sight for pointing the holder, perfect for longer distances
97 mm H.T
Comes with three sealed copper 62 mm prisms in black canisters (#6411-02-BLK)
Weighs 2.70 lb (1.23 kg)