Tele Vue Optics TV-NP127fli Astrograph:

The Ultimate Wide-Field Imaging System

Tele Vue and FLI Collaboration: A partnership with Finger Lakes Instrumentation to offer a comprehensive wide-field imaging system dedicated to astro-imagers.
Optimized for ProLine PL16803 Camera: The NP127fli's flat-field, fast focal ratio, and short focal length perfectly complement the PL16803 camera for over 4° of sharp stellar fields.
Centrally Positioned Atlas Focuser: Designed to place the Atlas focuser near the center of its travel for optimal performance.
Integrated Large Field Corrector: Tele Vue's corrector lens within the Atlas focuser accommodates the path length of FLI's CenterLine filter wheel and ProLine cameras.
Zero Tilt Adapter System: Ensures stable and precise connections using FLI’s system, eliminating alignment issues.
Image Plane Tilt Correction: Features Tele Vue’s unique correction mechanism in the NP127fli's rear section, ensuring flawless image alignment.
Precision Factory Setup: Each scope is meticulously adjusted at Tele Vue to ensure near-perfect setup for the imaging train.
User Adjustability: Built-in adjustability accommodates differences in customers' existing equipment, allowing for tailored fine-tuning.
Astrograph for Serious Imagers: An ideal solution for advanced astro-imagers seeking top-notch performance and wide-field imaging capabilities.

Type	APO (Nagler-Petzval) Refractor with Large Field Co (Elements/Groups: 5/3)
Objective (mm)	127
Focal Length (mm)	680
Focal Ratio (f/#)	5.3
Length OTA (inch)	35.8 (without FLI hardware)
Maximum Imaging Field (deg.)	4.3 (52mm diagonal chip)
Weight OTA (lbs)	15.7