Use the M48 Spacer Ring for MPCC Mark III Coma Correctorfrom M48 Spacer Ring for MPCC Mark III Coma Correctorto mate the MPCC Mark III coma corrector and a protective Canon EOS T-ring. This will achieve a proper focal flange distance of 55mm. The ring features an M48 thread on one side and an S52 dovetail lip on the other for this purpose.

For MPCC Mark III Coma Corrector    Mates Corrector to Canon EOS T-Ring    Inner M48 Thread/Outer Dovetail S52 Lip    Achieves 55mm Focal Flange Distance    Larger Aperture without Vignetting

Related Questions and Answers

Q: 1. What size screw and screw holes are on either side?

A: The male and female threading on the Bright Tangerine KASBAH Rosette Extension Spacer (1") are a size M6.

Q: 2. Some Arca dovetails from other brands don't lock up tight with the RRS lever clamps. Will the Tether Tools TA-CSLB Arca base secure tightly with Really Right Stuff Lever clamp such as the RRS B2-LLR II?

A: Tether Tools TA-CSLB does work well with RRS lever clamps because Tether Tools copied the RRS version Really Right Stuff Cable Relief Spacer. They have it here if you want the RRS version, not much more expensive. https://www.bhphotovideo.com/c/product/1301071-REG/really_right_stuff_crs_cable_relief_spacer_cable_relief_spacer.html

Q: 3. Scope/filter newbie question here: In the product photo, I'm guessing that the threads on the left hand side (near the printing) go to the corrector/reducer. Are the threads on the right hand side (near the bayonet mount) able to hold a 2 inch (48mm) filter?

A: In the picture on the right side is a standard Nikon F mount. Designed to be mounted to your Nikon "F"mount body in place of the lens. On the left side of the photo are female threads to be screwed to a Sky-Watcher 0.85x Focal Reducer/Corrector male threads.

Q: 4. Would this coma corrector work for an F/5.9 newtonian?

A: Yes, as long as your telescope accepts 2" eyepieces

Q: 5. The box is 2.7" high and the product spec has the Trippod Spacer at 3.7" high. How high is the spacer?

A: The Benro GDHAD1 Tripod Spacer is 1.77 inches tall.

Q: 6. What rating is the included AC adapter? Looking for an answer like "9V, 1.0A, positive polarity". Cannot read the pictures!

A: The Mackie M48 Single-Channel 48V Phantom Power Supply uses a +9V DC power adapter which is included with purchase. There is no information provided for the amperage rating, but the manufacturer does specify in the user manual to "Only use the factory-authorized power supply that came with the M48."

Q: 7. Is this the same eye cup that is used on the Pentax K-1 and K-1 II?

A: The Pentax Eyecup FU for Pentax K-3 Mark III Camera is incompatible with the Pentax K-1 Mark II and K-1 DSLR Camera. You need to get the PENTAX Eyecup FT 30128, which is no longer available.

Q: 8. How do you use this with a 9 volt battery? I do not see any place to insert the battery

A: The battery compartment is located on the bottom panel of the M48 and is accessible by sliding and removing the battery case cover.

Q: 9. For nikon D90 camera which adapters i need for celestron sct edge hd 11 “?

A: You would need the above Sky Watcher M48 adapter plus this Celestron adapter: https://bhpho.to/35JdTue

Q: 10. If the delay is over 300 msec can the output of the left channel be looped back to the input of the right channel( or Vice versa) to give an increase of approximately twice as much delay for a monaural application?

A: If you do that it with the AV Toolbox AP-411 Lip Sync Corrector. It will very likely cause what are called multiple repeats. Which would be the signal feeding back on itself. The time between the repeats will be determined by the setting you use.