Aven Tools 26800B-521-517 Focus Mount with Tiltable Arbor
Aven Tools 26800B-521-517 Focus Mount with Tiltable Arbor
The Aven Tools 26800B-521-517 combines a microscope focus mount with a tiltable arbor for compatible boom-style stands and articulating arm stands. The 74 mm mounting ring accepts Aven SSZ, SPZ, DSZ and NSW series microscope bodies. Coarse and fine focus adjustments bring the specimen into view, while the tiltable arbor lets you change the microscope body's angle for a more comfortable inspection position.
Best Uses / Applications
- Adding microscope focusing and tilt adjustment to a compatible boom stand.
- Configuring an articulating-arm inspection workstation.
- Adjusting microscope viewing angle for operator comfort.
- Replacing or upgrading a compatible focus-mount and arbor assembly.
Key Features
- 74 mm focus-mount ring for supported microscope bodies.
- Precision rack-and-pinion mechanism with tension control.
- Coarse and fine focus knobs with 50 mm vertical focusing travel.
- Tiltable arbor extends the positioning range of compatible boom and articulating arm stands.
- 245 mm arbor length and 25 mm arbor diameter.
- 15.875 mm (5/8-inch) arbor connection specification.
- Reducer ring for mounting on a 25 mm post and tension-control adjustment pin included.
Focus Mount Specifications
| Specification | Detail |
|---|---|
| Brand / assembly SKU | Aven Tools / 26800B-521-517 |
| Focus mount ring diameter | 74 mm |
| Mounting / end-hole diameter | 26.9 mm |
| Focus mechanism | Rack and pinion with tension control |
| Focus adjustments | Coarse and fine |
| Vertical focusing travel | 50 mm |
| Accepted microscope bodies | SSZ, SPZ, DSZ and NSW series |
| Reducer ring | Included for a 25 mm post, per Aven's description |
| Focus mount package contents | One focus mount and adjustment pin for tension control |
Tiltable Arbor Specifications
| Specification | Detail |
|---|---|
| Vertical post / arbor length | 245 mm |
| Vertical post / arbor diameter | 25 mm |
| Focus mount hole diameter | 15.875 mm (5/8 inch), as labeled in Aven's specification table |
| Stand applications | Compatible boom stands and articulating arm stands |
| Adjustment | Allows tilting of the microscope body |
| Arbor package contents | One tiltable arbor |
Choosing a Mounting Configuration
| Option | Selection consideration |
|---|---|
| This focus mount with tiltable arbor | Combines focusing and microscope-body tilt for compatible stand setups. |
| Focus mount alone | Consider when an existing compatible arbor or post already provides the mounting arrangement you need. |
| Complete microscope stand | Select separately when the supporting base and arm structure are also needed; this assembly is not a complete stand. |
Frequently Asked Questions
Which microscope bodies fit the focus mount?
Aven lists SSZ, SPZ, DSZ and NSW series bodies. The focus-mount ring diameter is 74 mm; confirm the fit of your exact microscope.
What does the tiltable arbor do?
It extends the working range of compatible boom and articulating arm stands and allows the microscope body to tilt for operator comfort.
Does this mount have fine focus?
Yes. Aven specifies coarse and fine focus knobs and a precision rack-and-pinion mechanism with tension control.
How much vertical focusing travel is available?
The focus mount provides 50 mm of vertical focusing travel. The arbor's 245 mm length is a separate dimension, not focusing travel.
What mounting dimensions should I check?
Check the 74 mm microscope ring, 26.9 mm focus-mount mounting diameter, 25 mm arbor diameter and 15.875 mm (5/8-inch) arbor connection specification against your stand and microscope setup.
What accessories are included?
The supplied information lists a focus mount, tension-control adjustment pin and tiltable arbor. Aven's description also identifies a reducer ring for a 25 mm post.
Does it include a stand, microscope or ring light?
The listed components are the focus mount and tiltable arbor assembly with the stated adjustment accessories. A stand, microscope body and ring light are not listed as included.
California Proposition 65 Warning
This product can expose you to chemicals including Diisononyl Phthalate (DINP), which is known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov.
Related Inspection Resources
Explore the Optical Inspection & Magnification Resource Hub, browse Inspection Microscopes, or shop the Aven Tools collection.
