What is the largest size eyepiece that will fit in the extender tube?

It will work great with most eyepieces, for example, 1.25" plossl eyepieces and 1.25" 66-degree ultra wide angle eyepieces and more. The inside diameters of stationary barrel and main Barrel are 3.22CM and 3.81CM, so please make sure that the largest diameter of your eyepiece less than 3.81CM and eyepiece barrel less than 3.22CM.

Will this fit a nikon d3400 t-ring

It fits my standard Nikon DLSR T-Ring.

I already have a T-ring adaptor for my Nikon D5100. will the threading of this piece work with my t-ring?

Your existing T-ring should work fine.

Will i be able to connect this to 55mm panasonic lumix fz80 camera?

No. You need a camera with interchangeable lenses like an SLR or mirrorless plus a T-Ring specific for that camera.

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Astromania Telescope Photo Adapter Extendable Camera Adapter with T Adapter | For Prime-Focus & Eyepiece-Projection, Fit Canon Nikon SLR Camera Astrophotography, For 1.25" Eyepiece Astronomical Telescope

Astromania Telescope Photo Adapter Extendable Camera Adapter with T Adapter | For Prime-Focus & Eyepiece-Projection, Fit Canon Nikon SLR Camera Astrophotography, For 1.25" Eyepiece Astronomical Telescope

Product ID: 22133775

Details

Brand
Astromania
Eye Piece Lens Description
Kellner
Finderscope
Reflex
Focus Type
Manual Focus
Item Weight
7.23 ounces
Model Name
Astromania

📸Fits Canon & Nikon SLR cameras

🔭1.25" eyepiece compatibility

⚙️Extendable zoom projection

€ 50.59

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Sold byAmazon FranceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌌 Capture the cosmos like a pro—zoom, focus, and shoot your stellar story!

WIDE CAMERA COMPATIBILITY - Works flawlessly with Canon and Nikon SLRs via T2 ring, making your astrophotography setup instantly pro-grade.
UNIVERSAL 1 25 EYEPIECE FIT - Seamlessly connects with standard Ploessl or Kellner eyepieces for crystal-clear lunar and planetary shots.
ROBUST ANODIZED ALUMINUM BUILD - Durable, lightweight, and threaded for standard 1.25" filters—engineered for serious stargazers.
PRECISION MAGNIFICATION CONTROL - Extendable design lets you zoom in without swapping eyepieces—perfect for those high-impact close-ups.
DUAL MODE PROJECTION FOCAL ADAPTER - Switch effortlessly between prime-focus and eyepiece-projection astrophotography to capture every celestial detail.

The Astromania Telescope Photo Adapter is a versatile, extendable camera adapter designed for astrophotography enthusiasts. Compatible with 1.25" eyepiece telescopes and Canon/Nikon SLR cameras, it supports both prime-focus and eyepiece-projection modes. Crafted from black anodized aluminum, it offers precise magnification control without changing eyepieces, enabling stunning photos of the Moon, planets, and galaxies.

Specifications

ASIN	B0140U9URO
Additional Features	Astrophotography capability
Best Sellers Rank	#49 in Telescope Photo Adapters
Brand	Astromania
Compatible Devices	Telescopes with 1.25-inch eyepiece holders
Customer Reviews	4.5 4.5 out of 5 stars (530)
Exit Pupil Diameter	2.94 millimeters
Eye Piece Lens Description	Kellner
Field Of View	0.14 degrees
Finderscope	Reflex
Focal Length Description	285 millimeters
Focus Type	Manual Focus
Item Weight	7.23 ounces
Manufacturer	Astromania
Manufacturer Part Number	SKU_AM_CA1E
Model Name	Astromania 1.25" Extendable Camera Adapter
Model Number	SKU_AM_CA1E
Mount	Altazimuth Mount
Number of Items	1
Objective Lens Diameter	38
Optical-Tube Length	1.25 inches
Power Source	Manual
Unit Count	1 Count
Zoom Ratio	1

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