Tele Vue NP101is
Tele Vue
Tele Vue NP101is is a 101 mm Nagler-Petzval APO refractor for wide-to-mid-field nebulae and general deep-sky imaging.
Best Current Offer
Specifications
Optics
- Optical design
- Nagler-Petzval APO refractor
- Aperture
- 101 mm
- Focal length
- 540 mm
- Focal ratio
- f/5.4
- Dawes limit
- 1.15"
- Glass / elements
- Four-element Petzval objective
Imaging
- Image circle
- 52 mm
- Camera format
- Full frame / APS-C / Micro 4/3
- Full-frame coverage
- Yes
- Back focus
- Imaging-system back focus set by Tele Vue adapters
- Corrected field
- Flat imaging field
Mechanical
- Focuser
- Imaging System focuser
Astrophotography Fit
Best for wide-to-mid-field nebulae and general deep-sky imaging when the mount, camera format, and correction hardware are chosen as one system.
Tele Vue NP101is sits in the telescope slot for wide-to-mid-field nebulae and general deep-sky imaging. The useful headline specs are aperture 101 mm, focal length 540 mm, f/5.4.
Camera coverage: Full frame / APS-C / Micro 4/3. Image circle: 52 mm. Back focus: Imaging-system back focus set by Tele Vue adapters.
Refractors keep the field routine calmer: no regular collimation, predictable cooldown, and a clean path to autofocus and filtered imaging. The tradeoff is aperture and reach.
Best paired with
- Corrected field flattener or reducer when the design requires one
- Cooled APS-C or smaller astro cameras matched to the image circle
- Autofocus, guide scope or OAG, and a mount with comfortable payload margin
Not recommended for
- Large full-frame sensors unless the corrected field supports them
- Very small travel mounts near their realistic imaging payload limit
- Buyers expecting one telescope to be ideal for every target size
Where To Buy
Some links on this page are affiliate links. Prices and availability are pulled automatically from each retailer and updated daily.
| Retailer | Price | Availability | View Offer |
|---|---|---|---|
| Cloud Break Optics Cloud Break Optics | $4,267.00 | In stock Updated 5/12/2026 | View Offer - $4,267.00 |
| High Point Scientific High Point Scientific | $4,267.00 | In stock Updated 5/12/2026 | View Offer - $4,267.00 |
| Mile High Astronomy Mile High Astronomy | $4,267.00 | In stock Updated 5/11/2026 | View Offer - $4,267.00 |