SPECS - Blazar Lens

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PLEASE NOTE: Some Blazar lenses, when used with official Blazar EF mounts, have large rear protrusions that limit their ability to mount to some EF cameras and EF adapters. These EF mount lenses include the Remus 33mm, Cato 40mm, and Mantis 25/35/50/75/100mm.

However, in some rare instances, other lenses not listed above may also have compatibility issues. So it’s very important to check for camera/adapter compatibility before purchase.

How do I know if my EF camera or adapter is compatible?

Incompatible Example

Blazar EF mount lenses may NOT be compatible with the following:

Older DSLR cameras that have physical mirror or shutter mechanisms
Speedboosters, lens adapters with drop-in filters, or anything similar
Electronic lens adapters
Camera mounts and lens adapters with pieces that extend far into the mount. See the “Incompatible Example” images. See how some parts of the mount extend beyond the red circle? If your mount/adapter does the same, then Blazar EF mount lenses may not work with your camera.

More Compatible Example

Blazar EF mount lenses are more likely to be compatible with the following:

Passive, non-electronic lens adapters
Camera mounts and lens adapters that do not have glass elements or any pieces that stick out. See the “More Compatible Example” image. This mount is completely open and has nothing in the way that could block the lens from mounting.

But no matter what EF mount camera or adapter you’re using, please check our lens specs to confirm compatibility. Down below you can find technical diagrams for all Blazar lenses that contain the protrusion measurements for each lens in PL and EF mount. If the lens protrusions are less than the maximum protrusion supported by your camera/adapter, then the lenses should be compatible.

If you have any other questions, please don’t hesitate to contact us.

Looking to check for compatibility with your setup?

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MANTIS 1.33X

Product Specification

	25mm	35mm	50mm	75mm	100mm	135mm
Aperture	T2.4	T2.0	T2.0	T2.0	T2.4	T3.2
Aperture Rotation	65°	73.4°	66.9°	57°	59.3°	61.3°
Lens Mount	PL/E/EF/L/RF/Z	PL/E/EF/L/RF/Z	PL/E/EF/L/RF/Z	PL/E/EF/L/RF/Z	PL/E/EF/L/RF/Z	PL/E/EF/L/RF/Z
Close Focus	1.25ft /0.38m	1.57ft /0.48m	1.57ft /0.48m	2.2ft/0.67m	2.2ft/0.67m	3.28ft/1m
Focus Rotation	180°	180°	180°	180°	180°	180°
Weight(PL)	1.47lbs/670g	1.74lbs/790g	1.67lbs/760g	1.73lbs/785g	1.69lbs/770g	1.76lbs/800g
IRIS Blades	14	14	14	14	14	14
Front Diameter	80mm	80mm	80mm	80mm	80mm	80mm
Filter Thread	77mm	77mm	77mm	77mm	77mm	77mm
Image Circle	36x24mm	36x24mm	36x24mm	36x24mm	36x24mm	36x24mm
Flare	Amber	Amber	Amber	Amber	Amber	Amber

Mantis EF Mount Compatibility Notice

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However, in some rare instances, other lenses not listed above may also have compatibility issues. So it’s very important to check for camera/adapter compatibility before purchase.

How do I know if my EF camera or adapter is compatible?

Incompatible Example

Blazar EF mount lenses may NOT be compatible with the following:

Older DSLR cameras that have physical mirror or shutter mechanisms
Speedboosters, lens adapters with drop-in filters, or anything similar
Electronic lens adapters
Camera mounts and lens adapters with pieces that extend far into the mount. See the “Incompatible Example” images. See how some parts of the mount extend beyond the red circle? If your mount/adapter does the same, then Blazar EF mount lenses may not work with your camera.

More Compatible Example

Blazar EF mount lenses are more likely to be compatible with the following:

Passive, non-electronic lens adapters
Camera mounts and lens adapters that do not have glass elements or any pieces that stick out. See the “More Compatible Example” image. This mount is completely open and has nothing in the way that could block the lens from mounting.

If you have any other questions, please don’t hesitate to contact us.

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CATO 2X

Product Specification

	40mm	55mm	85mm	125mm
Aperture	T2.0	T2.0	T2.8	T4.0
Aperture Rotation	76°	77°	71.7°	83.5°
Lens Mount	PL/EF	PL/EF	PL/EF	PL/EF
Close Focus	1.8ft /0.55m	2.59ft /0.79m	2.52ft/0.77m	2.59ft/0.79m
Focus Rotation	210°	210°	210°	210°
Weight(PL)	2.24lbs/1020g	1.97lbs/898g	2.04lbs/927g	2.07lbs/940g
IRIS Blades	16	16	16	16
Front Diameter	95mm	85mm	85mm	85mm
Filter Thread	86mm	82mm	82mm	82mm
Image Circle	28.8x24mm	28.8x24mm	36x24mm	36x24mm

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REMUS 1.5X

Product Specification

	33mm	35mm	45mm	50mm	65mm	85mm	100mm	125mm
Aperture	T1.8	T1.6	T2.0	T2.0	T2.0	T2.8	T2.8	T4
Aperture Rotation	85°	76.7°	77.6°	77.4°	77.3°	71.7°	81.7°	82°
Lens Mount	PL/EF	PL/EF	PL/EF	PL/EF	PL/EF	PL/EF	PL/EF	PL/EF
Close Focus	1.6ft/0.49m	2.6ft/0.74m	2.23ft/0.68m	2.42ft/0.74m	2.26ft /0.69m	2.26ft /0.69m	2.32ft/0.71m	2.49ft/0.76m
Focus Rotation	150°	150°	150°	150°	150°	150°	150°	150°
Weight(PL)	1.94lbs/880g	1.63lbs/742g	1.58lbs/720g	1.57lbs/716g	1.72lbs/782g	1.78lbs/811g	1.73lbs/788g	1.80lbs/820g
Length(PL)	3.97”/101mm	3.66”/93mm	3.54”/90mm	3.54”/90mm	3.97”/101mm	4.09”/104mm	4.33”/110mm	4.48”/114mm
IRIS Blades	16	16	16	16	16	16	16	16
Front Diameter	80mm	80mm	80mm	80mm	80mm	80mm	80mm	80mm
Filter Thread	77mm*0.75	77mm*0.75	77mm*0.75	77mm*0.75	77mm*0.75	77mm*0.75	77mm*0.75	77mm*0.75
Image Circle	36mmx24mm (FF)	25mmx17mm (S35)	36mmx24mm (FF)	36mmx24mm (FF)	36mmx24mm (FF)	36mmx24mm (FF)	36mmx24mm (FF)	36mmx24mm (FF)
Lens Flare	Blue/Amber/Silver	Blue/Amber/Silver	Blue/Amber/Silver	Blue/Amber/Silver	Blue/Amber/Silver	Blue/Amber/Silver	Blue/Amber/Silver	Blue/Amber/Silver