NOTE: Please verify your camera’s lens thread size before ordering. Your camera’s lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap.This number is always preceded by a “ø” (diameter) symbol.
Converts the thread size of your lens to the thread size of any other accessory (such as filters, hoods, flashes and lens converters)
Superfine frame polished with strict surface treatment
The first number is always the lens thread size, the second number is the filter size of the accessory.If the first number is smaller, it’s a step-up ring.
Converts the thread size of your lens to the thread size of any other accessory (such as filters, hoods, flashes and lens converters) Easily screws onto the front of lens of the same thread
Brand new & high quality Solid and light-weight Great tightness, no wobbling or cross-threading Superfine frame polished with strict surface treatment
Fits any lens with the same filter thread; manual or autofocus, digital or film.
The first number is always the lens thread size, the second number is the filter size of the accessory. If the first number is smaller, it’s a step-up.
Set of two cast-aluminum telescope tube rings with quick-release, hinged clamp knobs and felt lining
One telescope ring has 1/4″-20 piggyback camera adapter; the other has threaded 1/4″-20 acceptor socket
Sold in sets of two rings with mounting bolts and washers included
Use with Orion EQ-1, EQ-2, AstroView, SkyView Pro, Sirius, or Atlas equatorial mounts and SkyView AZ, VersaGo II, and Teletrack altazimuth telescope mounts
Inside diameter of each telescope tube ring is 116mm
These tube rings have an inside diameter (ID) of 116mm (4.6″). Orion Tube Rings for telescope Optical Tube Assemblies come as a set of two with quick-release, hinged clamp knobs for easy installation on your favorite telescope. Each tube ring features a felt lining to keep your telescope optical tube free of scratches. Mounting bolts and washers are included with each set of tube rings. A threaded piggy-back camera adapter is integrated on one of the two tube rings in each set. Many different sizes are available for almost any telescope. Inside diameter (ID) is listed. Choose the size that matches the outside diameter of your telescope tube. These cast-aluminum rings feature quick-release, hinged clamp knobs and felt lining. They are designed for use with most Orion equatorial and altazimuth mounts, and may fit some other mount brands as well. One of the two rings in each set has a 1/4″-20 piggyback camera adapter on it, the other has a threaded 1/4″-20 hole. The outer diameter (OD) of your telescope should match inner diameter (ID) of rings. If OD of the telescope is a little smaller than ID of the rings, that is OK; you can “shim” inside of rings with extra felt. One-year limited warranty.
Suitable for telescopes and finders from 35 mm to 85 mm tube diameter
Solid metal guide scope rings for compact telescopes and finders with flat support surface and knurled metal screws
Flat support surface with four female M6 threads for trouble-free mounting to dovetail bars or other flat surfaces
A set consists of two pieces
Ideal for astrophotography for mounting a guide scope parallel to the main telescope
TS Optics Adjustable Guide Scope Rings
Good guide scope rings are one key for successful astrophotographs. These TS rings are machined of solid aluminium. However, the are not excesssively heavy an thus do not burden oun and telescope tube unnecessarily. These adjustable tube rings are manufactured for TS to our high quality standards in an up-to-date CNC production.
Inner diameter: 90 mm
Outer diameter: 105 mm
Support surface: Flat area with 45 mm diameter and 4x M6 threads (female)
Distance of threads: Inner pair 20 mm – outer pair 38 mm