Leica Zoom Eyepieces

Technical specifications for Leica Vario Eyepieces.

Leica Vario Eyepiece 25x-50x WW ASPH. vs. Leica Vario Eyepiece 20x-60x

Feature	Leica Vario Eyepiece 25x-50x WW ASPH.	Leica Vario Eyepiece 20x-60x
Device type	Spotting scope	Spotting scope
Order no.	41 021 (black)	41 023 (black)
For use	With all Leica APO-Televid and Televid HD spotting scopes	With all Leica APO-Televid and Televid HD spotting scopes
Scope of delivery	Bayonet cap and eyepiece cap	Bayonet cap and eyepiece cap

Feature	Leica Vario Eyepiece 25x-50x WW ASPH.	Leica Vario Eyepiece 20x-60x
Magnification	25x-50x	20x-60x
Lens focal length	-	-
Exit pupil (Televid 65)	2.6 mm (25x) to 1.3 mm (50x)	3.25 mm (20x) to 1.1 mm (60x)
Exit pupil (Televid 82)	3.3 mm (25x) to 1.6 mm (50x)	4.0 mm (20x) to 1.4 mm (60x)
Close distance (Televid 65)	2.9 m	2.9 m
Close distance (Televid 82)	3.9 m	3.9 m
Field of view at 1,000 yds / m	126 ft (25x) to 84 ft (50x) / 42 m (25x) to 28 m (50x)	105 ft (20x) to 60 ft (650x) / 35 m (20x) to 20 m (60x)
Subjective angle of view	57° (25x) to 74° (50x)	37° (25x) to 65° (50x)
Eyepiece for eyeglass wearers	Yes	Yes
Eyecup with twist-and-pull action	Yes	Yes
Watertightness	To a depth of 16.5 ft / 5 m	To a depth of 13.1 ft / 4 m
External diameter	2.3 in / 59.5 mm	2.2 in / 57 mm
Overall length	4.1 in, 3.4 in (without bayonet) / 105 mm, 87 mm (without bayonet)	3.5 in, 3.0 in (without bayonet) / 90 mm, 75 mm (without bayonet)
Weight	15.3 oz / 435 g	13.1 oz / 370 g

Leica Extender 1.8x & Digiscoping Lens

Technical specifications for Leica Extender 1.8x and Digiscoping Lens 35mm.

Leica Extender 1.8x vs. Leica Digiscoping Lens 35mm

Feature	Leica Extender 1.8x	Leica Digiscoping Lens 35mm
Device type	Spotting scope	Spotting scope
Order no.	41 022 (black)	42 308 (black)
For use	With Leica APO-Televid and Televid HD (angled) spotting scopes with Leica zoom eyepieces	With Leica APO-Televid and Televid HD (angled) spotting scopes with Leica zoom eyepieces and Leica Extender 1.8x
Scope of delivery	Bayonet cap and eyepiece cap	Cordura lens case

Feature	Leica Extender 1.8x	Leica Digiscoping Lens 35mm
Magnification	45x-90x	Corresponding to eyepiece combination
Lens focal length	-	34.5 (35 mm format)
Exit pupil (Televid 65)	1.5 mm (45x) to 0.73 mm (90x)	-
Exit pupil (Televid 82)	1.8 mm (45x) to 0.91 mm (90x)	-
Close distance (Televid 65)	3.5 m	Depends on spotting scope
Close distance (Televid 82)	3.8 m	Depends on spotting scope
Field of view at 1,000 yds / m	64.8 yds (45x) to 42 ft (90x) / 21.6 m (45x) to 14 m (90x)	-
Subjective angle of view	53° (45x) to 65° (90x)	-
Eyepiece for eyeglass wearers	Yes	-
Eyecup with twist-and-pull action	Yes	-
Image size (mm x mm)	-	23.6 x 15.7
Image diagonal (mm)	-	28.4 (APS-C, Leica T)
Largest scale	-	1:2.4
Smallest diagonal of object	-	72.2 mm
Smallest field of object	-	60.1x40.0 mm
Watertightness	To a depth of 16.5 ft / 5 m	To a depth of 16.5 ft / 5 m
External diameter	2.3 in / 59.05 mm	2.7 in / 68 mm
Overall length	1.61 in, 0.91 in (without bayonet) / 41 mm, 23 mm (without bayonet)	2.6 in / 65 mm (without T2 adapter)
Weight	3.2 oz / 92 g	8.8 oz / 250 g